diff --git a/Modules/DiffusionImaging/FiberTracking/Algorithms/itkTractsToDWIImageFilter.cpp b/Modules/DiffusionImaging/FiberTracking/Algorithms/itkTractsToDWIImageFilter.cpp index caef447cf8..ddc0a351a7 100755 --- a/Modules/DiffusionImaging/FiberTracking/Algorithms/itkTractsToDWIImageFilter.cpp +++ b/Modules/DiffusionImaging/FiberTracking/Algorithms/itkTractsToDWIImageFilter.cpp @@ -1,1238 +1,1239 @@ /*=================================================================== The Medical Imaging Interaction Toolkit (MITK) Copyright (c) German Cancer Research Center, Division of Medical and Biological Informatics. All rights reserved. This software is distributed WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See LICENSE.txt or http://www.mitk.org for details. ===================================================================*/ #include "itkTractsToDWIImageFilter.h" #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include namespace itk { template< class PixelType > TractsToDWIImageFilter< PixelType >::TractsToDWIImageFilter() : m_FiberBundle(NULL) , m_StatusText("") , m_UseConstantRandSeed(false) , m_RandGen(itk::Statistics::MersenneTwisterRandomVariateGenerator::New()) { m_RandGen->SetSeed(); } template< class PixelType > TractsToDWIImageFilter< PixelType >::~TractsToDWIImageFilter() { } template< class PixelType > TractsToDWIImageFilter< PixelType >::DoubleDwiType::Pointer TractsToDWIImageFilter< PixelType >::DoKspaceStuff( std::vector< DoubleDwiType::Pointer >& images ) { int numFiberCompartments = m_Parameters.m_FiberModelList.size(); // create slice object ImageRegion<2> sliceRegion; sliceRegion.SetSize(0, m_UpsampledImageRegion.GetSize()[0]); sliceRegion.SetSize(1, m_UpsampledImageRegion.GetSize()[1]); Vector< double, 2 > sliceSpacing; sliceSpacing[0] = m_UpsampledSpacing[0]; sliceSpacing[1] = m_UpsampledSpacing[1]; // frequency map slice SliceType::Pointer fMapSlice = NULL; if (m_Parameters.m_FrequencyMap.IsNotNull()) { fMapSlice = SliceType::New(); ImageRegion<2> region; region.SetSize(0, m_UpsampledImageRegion.GetSize()[0]); region.SetSize(1, m_UpsampledImageRegion.GetSize()[1]); fMapSlice->SetLargestPossibleRegion( region ); fMapSlice->SetBufferedRegion( region ); fMapSlice->SetRequestedRegion( region ); fMapSlice->Allocate(); fMapSlice->FillBuffer(0.0); } DoubleDwiType::Pointer newImage = DoubleDwiType::New(); newImage->SetSpacing( m_Parameters.m_ImageSpacing ); newImage->SetOrigin( m_Parameters.m_ImageOrigin ); newImage->SetDirection( m_Parameters.m_ImageDirection ); newImage->SetLargestPossibleRegion( m_Parameters.m_ImageRegion ); newImage->SetBufferedRegion( m_Parameters.m_ImageRegion ); newImage->SetRequestedRegion( m_Parameters.m_ImageRegion ); newImage->SetVectorLength( images.at(0)->GetVectorLength() ); newImage->Allocate(); std::vector< unsigned int > spikeVolume; for (unsigned int i=0; iGetIntegerVariate()%images.at(0)->GetVectorLength()); std::sort (spikeVolume.begin(), spikeVolume.end()); std::reverse (spikeVolume.begin(), spikeVolume.end()); m_StatusText += "0% 10 20 30 40 50 60 70 80 90 100%\n"; m_StatusText += "|----|----|----|----|----|----|----|----|----|----|\n*"; unsigned long lastTick = 0; boost::progress_display disp(2*images.at(0)->GetVectorLength()*images.at(0)->GetLargestPossibleRegion().GetSize(2)); for (unsigned int g=0; gGetVectorLength(); g++) { std::vector< unsigned int > spikeSlice; while (!spikeVolume.empty() && spikeVolume.back()==g) { spikeSlice.push_back(m_RandGen->GetIntegerVariate()%images.at(0)->GetLargestPossibleRegion().GetSize(2)); spikeVolume.pop_back(); } std::sort (spikeSlice.begin(), spikeSlice.end()); std::reverse (spikeSlice.begin(), spikeSlice.end()); for (unsigned int z=0; zGetLargestPossibleRegion().GetSize(2); z++) { std::vector< SliceType::Pointer > compartmentSlices; std::vector< double > t2Vector; for (unsigned int i=0; i* signalModel; if (iSetLargestPossibleRegion( sliceRegion ); slice->SetBufferedRegion( sliceRegion ); slice->SetRequestedRegion( sliceRegion ); slice->SetSpacing(sliceSpacing); slice->Allocate(); slice->FillBuffer(0.0); // extract slice from channel g for (unsigned int y=0; yGetLargestPossibleRegion().GetSize(1); y++) for (unsigned int x=0; xGetLargestPossibleRegion().GetSize(0); x++) { SliceType::IndexType index2D; index2D[0]=x; index2D[1]=y; DoubleDwiType::IndexType index3D; index3D[0]=x; index3D[1]=y; index3D[2]=z; slice->SetPixel(index2D, images.at(i)->GetPixel(index3D)[g]); if (fMapSlice.IsNotNull() && i==0) fMapSlice->SetPixel(index2D, m_Parameters.m_FrequencyMap->GetPixel(index3D)); } compartmentSlices.push_back(slice); t2Vector.push_back(signalModel->GetT2()); } if (this->GetAbortGenerateData()) return NULL; // create k-sapce (inverse fourier transform slices) itk::Size<2> outSize; outSize.SetElement(0, m_Parameters.m_ImageRegion.GetSize(0)); outSize.SetElement(1, m_Parameters.m_ImageRegion.GetSize(1)); itk::KspaceImageFilter< SliceType::PixelType >::Pointer idft = itk::KspaceImageFilter< SliceType::PixelType >::New(); idft->SetCompartmentImages(compartmentSlices); idft->SetT2(t2Vector); idft->SetUseConstantRandSeed(m_UseConstantRandSeed); idft->SetParameters(m_Parameters); idft->SetZ((double)z-(double)images.at(0)->GetLargestPossibleRegion().GetSize(2)/2.0); idft->SetDiffusionGradientDirection(m_Parameters.GetGradientDirection(g)); idft->SetFrequencyMapSlice(fMapSlice); idft->SetOutSize(outSize); int numSpikes = 0; while (!spikeSlice.empty() && spikeSlice.back()==z) { numSpikes++; spikeSlice.pop_back(); } idft->SetSpikesPerSlice(numSpikes); idft->Update(); ComplexSliceType::Pointer fSlice; fSlice = idft->GetOutput(); ++disp; unsigned long newTick = 50*disp.count()/disp.expected_count(); for (unsigned long tick = 0; tick<(newTick-lastTick); tick++) m_StatusText += "*"; lastTick = newTick; // fourier transform slice SliceType::Pointer newSlice; itk::DftImageFilter< SliceType::PixelType >::Pointer dft = itk::DftImageFilter< SliceType::PixelType >::New(); dft->SetInput(fSlice); dft->Update(); newSlice = dft->GetOutput(); // put slice back into channel g for (unsigned int y=0; yGetLargestPossibleRegion().GetSize(1); y++) for (unsigned int x=0; xGetLargestPossibleRegion().GetSize(0); x++) { DoubleDwiType::IndexType index3D; index3D[0]=x; index3D[1]=y; index3D[2]=z; SliceType::IndexType index2D; index2D[0]=x; index2D[1]=y; DoubleDwiType::PixelType pix3D = newImage->GetPixel(index3D); pix3D[g] = newSlice->GetPixel(index2D); newImage->SetPixel(index3D, pix3D); } ++disp; newTick = 50*disp.count()/disp.expected_count(); for (unsigned long tick = 0; tick<(newTick-lastTick); tick++) m_StatusText += "*"; lastTick = newTick; } } m_StatusText += "\n\n"; return newImage; } template< class PixelType > void TractsToDWIImageFilter< PixelType >::GenerateData() { m_TimeProbe.Start(); m_StatusText = "Starting simulation\n"; // check input data if (m_FiberBundle.IsNull()) itkExceptionMacro("Input fiber bundle is NULL!"); if (m_Parameters.m_FiberModelList.empty()) itkExceptionMacro("No diffusion model for fiber compartments defined!"); if (m_Parameters.m_NonFiberModelList.empty()) itkExceptionMacro("No diffusion model for non-fiber compartments defined!"); int baselineIndex = m_Parameters.GetFirstBaselineIndex(); if (baselineIndex<0) itkExceptionMacro("No baseline index found!"); if (!m_Parameters.m_SimulateKspaceAcquisition) m_Parameters.m_DoAddGibbsRinging = false; if (m_UseConstantRandSeed) // always generate the same random numbers? m_RandGen->SetSeed(0); else m_RandGen->SetSeed(); // initialize output dwi image ImageRegion<3> croppedRegion = m_Parameters.m_ImageRegion; croppedRegion.SetSize(1, croppedRegion.GetSize(1)*m_Parameters.m_CroppingFactor); itk::Point shiftedOrigin = m_Parameters.m_ImageOrigin; shiftedOrigin[1] += (m_Parameters.m_ImageRegion.GetSize(1)-croppedRegion.GetSize(1))*m_Parameters.m_ImageSpacing[1]/2; typename OutputImageType::Pointer outImage = OutputImageType::New(); outImage->SetSpacing( m_Parameters.m_ImageSpacing ); outImage->SetOrigin( shiftedOrigin ); outImage->SetDirection( m_Parameters.m_ImageDirection ); outImage->SetLargestPossibleRegion( croppedRegion ); outImage->SetBufferedRegion( croppedRegion ); outImage->SetRequestedRegion( croppedRegion ); outImage->SetVectorLength( m_Parameters.GetNumVolumes() ); outImage->Allocate(); typename OutputImageType::PixelType temp; temp.SetSize(m_Parameters.GetNumVolumes()); temp.Fill(0.0); outImage->FillBuffer(temp); // ADJUST GEOMETRY FOR FURTHER PROCESSING // is input slize size a power of two? unsigned int x=m_Parameters.m_ImageRegion.GetSize(0); unsigned int y=m_Parameters.m_ImageRegion.GetSize(1); ItkDoubleImgType::SizeType pad; pad[0]=x%2; pad[1]=y%2; pad[2]=0; m_Parameters.m_ImageRegion.SetSize(0, x+pad[0]); m_Parameters.m_ImageRegion.SetSize(1, y+pad[1]); if (m_Parameters.m_FrequencyMap.IsNotNull() && (pad[0]>0 || pad[1]>0)) { itk::ConstantPadImageFilter::Pointer zeroPadder = itk::ConstantPadImageFilter::New(); zeroPadder->SetInput(m_Parameters.m_FrequencyMap); zeroPadder->SetConstant(0); zeroPadder->SetPadUpperBound(pad); zeroPadder->Update(); m_Parameters.m_FrequencyMap = zeroPadder->GetOutput(); } if (m_Parameters.m_MaskImage.IsNotNull() && (pad[0]>0 || pad[1]>0)) { itk::ConstantPadImageFilter::Pointer zeroPadder = itk::ConstantPadImageFilter::New(); zeroPadder->SetInput(m_Parameters.m_MaskImage); zeroPadder->SetConstant(0); zeroPadder->SetPadUpperBound(pad); zeroPadder->Update(); m_Parameters.m_MaskImage = zeroPadder->GetOutput(); } // Apply in-plane upsampling for Gibbs ringing artifact double upsampling = 1; if (m_Parameters.m_DoAddGibbsRinging) upsampling = 2; m_UpsampledSpacing = m_Parameters.m_ImageSpacing; m_UpsampledSpacing[0] /= upsampling; m_UpsampledSpacing[1] /= upsampling; m_UpsampledImageRegion = m_Parameters.m_ImageRegion; m_UpsampledImageRegion.SetSize(0, m_Parameters.m_ImageRegion.GetSize()[0]*upsampling); m_UpsampledImageRegion.SetSize(1, m_Parameters.m_ImageRegion.GetSize()[1]*upsampling); m_UpsampledOrigin = m_Parameters.m_ImageOrigin; m_UpsampledOrigin[0] -= m_Parameters.m_ImageSpacing[0]/2; m_UpsampledOrigin[0] += m_UpsampledSpacing[0]/2; m_UpsampledOrigin[1] -= m_Parameters.m_ImageSpacing[1]/2; m_UpsampledOrigin[1] += m_UpsampledSpacing[1]/2; m_UpsampledOrigin[2] -= m_Parameters.m_ImageSpacing[2]/2; m_UpsampledOrigin[2] += m_UpsampledSpacing[2]/2; // generate double images to store the individual compartment signals m_CompartmentImages.clear(); int numFiberCompartments = m_Parameters.m_FiberModelList.size(); int numNonFiberCompartments = m_Parameters.m_NonFiberModelList.size(); for (int i=0; iSetSpacing( m_UpsampledSpacing ); doubleDwi->SetOrigin( m_UpsampledOrigin ); doubleDwi->SetDirection( m_Parameters.m_ImageDirection ); doubleDwi->SetLargestPossibleRegion( m_UpsampledImageRegion ); doubleDwi->SetBufferedRegion( m_UpsampledImageRegion ); doubleDwi->SetRequestedRegion( m_UpsampledImageRegion ); doubleDwi->SetVectorLength( m_Parameters.GetNumVolumes() ); doubleDwi->Allocate(); DoubleDwiType::PixelType pix; pix.SetSize(m_Parameters.GetNumVolumes()); pix.Fill(0.0); doubleDwi->FillBuffer(pix); m_CompartmentImages.push_back(doubleDwi); } // initialize output volume fraction images m_VolumeFractions.clear(); for (int i=0; iSetSpacing( m_UpsampledSpacing ); doubleImg->SetOrigin( m_UpsampledOrigin ); doubleImg->SetDirection( m_Parameters.m_ImageDirection ); doubleImg->SetLargestPossibleRegion( m_UpsampledImageRegion ); doubleImg->SetBufferedRegion( m_UpsampledImageRegion ); doubleImg->SetRequestedRegion( m_UpsampledImageRegion ); doubleImg->Allocate(); doubleImg->FillBuffer(0); m_VolumeFractions.push_back(doubleImg); } // get volume fraction images ItkDoubleImgType::Pointer sumImage = ItkDoubleImgType::New(); bool foundVolumeFractionImage = false; for (int i=0; iGetVolumeFractionImage().IsNotNull()) { foundVolumeFractionImage = true; itk::ConstantPadImageFilter::Pointer zeroPadder = itk::ConstantPadImageFilter::New(); zeroPadder->SetInput(m_Parameters.m_NonFiberModelList[i]->GetVolumeFractionImage()); zeroPadder->SetConstant(0); zeroPadder->SetPadUpperBound(pad); zeroPadder->Update(); m_Parameters.m_NonFiberModelList[i]->SetVolumeFractionImage(zeroPadder->GetOutput()); sumImage->SetSpacing( m_Parameters.m_NonFiberModelList[i]->GetVolumeFractionImage()->GetSpacing() ); sumImage->SetOrigin( m_Parameters.m_NonFiberModelList[i]->GetVolumeFractionImage()->GetOrigin() ); sumImage->SetDirection( m_Parameters.m_NonFiberModelList[i]->GetVolumeFractionImage()->GetDirection() ); sumImage->SetLargestPossibleRegion( m_Parameters.m_NonFiberModelList[i]->GetVolumeFractionImage()->GetLargestPossibleRegion() ); sumImage->SetBufferedRegion( m_Parameters.m_NonFiberModelList[i]->GetVolumeFractionImage()->GetLargestPossibleRegion() ); sumImage->SetRequestedRegion( m_Parameters.m_NonFiberModelList[i]->GetVolumeFractionImage()->GetLargestPossibleRegion() ); sumImage->Allocate(); sumImage->FillBuffer(0); break; } } if (!foundVolumeFractionImage) { sumImage->SetSpacing( m_UpsampledSpacing ); sumImage->SetOrigin( m_UpsampledOrigin ); sumImage->SetDirection( m_Parameters.m_ImageDirection ); sumImage->SetLargestPossibleRegion( m_UpsampledImageRegion ); sumImage->SetBufferedRegion( m_UpsampledImageRegion ); sumImage->SetRequestedRegion( m_UpsampledImageRegion ); sumImage->Allocate(); sumImage->FillBuffer(0.0); } for (int i=0; iGetVolumeFractionImage().IsNull()) { ItkDoubleImgType::Pointer doubleImg = ItkDoubleImgType::New(); doubleImg->SetSpacing( sumImage->GetSpacing() ); doubleImg->SetOrigin( sumImage->GetOrigin() ); doubleImg->SetDirection( sumImage->GetDirection() ); doubleImg->SetLargestPossibleRegion( sumImage->GetLargestPossibleRegion() ); doubleImg->SetBufferedRegion( sumImage->GetLargestPossibleRegion() ); doubleImg->SetRequestedRegion( sumImage->GetLargestPossibleRegion() ); doubleImg->Allocate(); doubleImg->FillBuffer(1.0/numNonFiberCompartments); m_Parameters.m_NonFiberModelList[i]->SetVolumeFractionImage(doubleImg); } ImageRegionIterator it(m_Parameters.m_NonFiberModelList[i]->GetVolumeFractionImage(), m_Parameters.m_NonFiberModelList[i]->GetVolumeFractionImage()->GetLargestPossibleRegion()); while(!it.IsAtEnd()) { sumImage->SetPixel(it.GetIndex(), sumImage->GetPixel(it.GetIndex())+it.Get()); ++it; } } for (int i=0; i it(m_Parameters.m_NonFiberModelList[i]->GetVolumeFractionImage(), m_Parameters.m_NonFiberModelList[i]->GetVolumeFractionImage()->GetLargestPossibleRegion()); while(!it.IsAtEnd()) { if (sumImage->GetPixel(it.GetIndex())>0) it.Set(it.Get()/sumImage->GetPixel(it.GetIndex())); ++it; } } // resample mask image and frequency map to fit upsampled geometry if (m_Parameters.m_DoAddGibbsRinging) { if (m_Parameters.m_MaskImage.IsNotNull()) { // rescale mask image (otherwise there are problems with the resampling) itk::RescaleIntensityImageFilter::Pointer rescaler = itk::RescaleIntensityImageFilter::New(); rescaler->SetInput(0,m_Parameters.m_MaskImage); rescaler->SetOutputMaximum(100); rescaler->SetOutputMinimum(0); rescaler->Update(); // resample mask image itk::ResampleImageFilter::Pointer resampler = itk::ResampleImageFilter::New(); resampler->SetInput(rescaler->GetOutput()); resampler->SetOutputParametersFromImage(m_Parameters.m_MaskImage); resampler->SetSize(m_UpsampledImageRegion.GetSize()); resampler->SetOutputSpacing(m_UpsampledSpacing); resampler->SetOutputOrigin(m_UpsampledOrigin); itk::NearestNeighborInterpolateImageFunction::Pointer nn_interpolator = itk::NearestNeighborInterpolateImageFunction::New(); resampler->SetInterpolator(nn_interpolator); resampler->Update(); m_Parameters.m_MaskImage = resampler->GetOutput(); itk::ImageFileWriter::Pointer w = itk::ImageFileWriter::New(); w->SetFileName("/local/mask_ups.nrrd"); w->SetInput(m_Parameters.m_MaskImage); w->Update(); } // resample frequency map if (m_Parameters.m_FrequencyMap.IsNotNull()) { itk::ResampleImageFilter::Pointer resampler = itk::ResampleImageFilter::New(); resampler->SetInput(m_Parameters.m_FrequencyMap); resampler->SetOutputParametersFromImage(m_Parameters.m_FrequencyMap); resampler->SetSize(m_UpsampledImageRegion.GetSize()); resampler->SetOutputSpacing(m_UpsampledSpacing); resampler->SetOutputOrigin(m_UpsampledOrigin); itk::NearestNeighborInterpolateImageFunction::Pointer nn_interpolator = itk::NearestNeighborInterpolateImageFunction::New(); resampler->SetInterpolator(nn_interpolator); resampler->Update(); m_Parameters.m_FrequencyMap = resampler->GetOutput(); } } // no input tissue mask is set -> create default bool maskImageSet = true; if (m_Parameters.m_MaskImage.IsNull()) { m_StatusText += "No tissue mask set\n"; MITK_INFO << "No tissue mask set"; m_Parameters.m_MaskImage = ItkUcharImgType::New(); m_Parameters.m_MaskImage->SetSpacing( m_UpsampledSpacing ); m_Parameters.m_MaskImage->SetOrigin( m_UpsampledOrigin ); m_Parameters.m_MaskImage->SetDirection( m_Parameters.m_ImageDirection ); m_Parameters.m_MaskImage->SetLargestPossibleRegion( m_UpsampledImageRegion ); m_Parameters.m_MaskImage->SetBufferedRegion( m_UpsampledImageRegion ); m_Parameters.m_MaskImage->SetRequestedRegion( m_UpsampledImageRegion ); m_Parameters.m_MaskImage->Allocate(); m_Parameters.m_MaskImage->FillBuffer(1); maskImageSet = false; } else { m_StatusText += "Using tissue mask\n"; MITK_INFO << "Using tissue mask"; } m_Parameters.m_ImageRegion = croppedRegion; x=m_Parameters.m_ImageRegion.GetSize(0); y=m_Parameters.m_ImageRegion.GetSize(1); if ( x%2 == 1 ) m_Parameters.m_ImageRegion.SetSize(0, x+1); if ( y%2 == 1 ) m_Parameters.m_ImageRegion.SetSize(1, y+1); // resample fiber bundle for sufficient voxel coverage m_StatusText += "\n"+this->GetTime()+" > Resampling fibers ...\n"; double segmentVolume = 0.0001; float minSpacing = 1; if(m_UpsampledSpacing[0]GetDeepCopy(); double volumeAccuracy = 10; fiberBundle->ResampleFibers(minSpacing/volumeAccuracy); double mmRadius = m_Parameters.m_AxonRadius/1000; if (mmRadius>0) segmentVolume = M_PI*mmRadius*mmRadius*minSpacing/volumeAccuracy; double maxVolume = 0; double voxelVolume = m_UpsampledSpacing[0]*m_UpsampledSpacing[1]*m_UpsampledSpacing[2]; ofstream logFile; if (m_Parameters.m_DoAddMotion) { std::string fileName = "fiberfox_motion_0.log"; std::string filePath = mitk::IOUtil::GetTempPath(); if (m_Parameters.m_OutputPath.size()>0) filePath = m_Parameters.m_OutputPath; int c = 1; while (itksys::SystemTools::FileExists((filePath+fileName).c_str())) { fileName = "fiberfox_motion_"; fileName += boost::lexical_cast(c); fileName += ".log"; c++; } logFile.open((filePath+fileName).c_str()); logFile << "0 rotation: 0,0,0; translation: 0,0,0\n"; if (m_Parameters.m_DoRandomizeMotion) { m_StatusText += "Adding random motion artifacts:\n"; m_StatusText += "Maximum rotation: +/-" + boost::lexical_cast(m_Parameters.m_Rotation) + "°\n"; m_StatusText += "Maximum translation: +/-" + boost::lexical_cast(m_Parameters.m_Translation) + "mm\n"; } else { m_StatusText += "Adding linear motion artifacts:\n"; m_StatusText += "Maximum rotation: " + boost::lexical_cast(m_Parameters.m_Rotation) + "°\n"; m_StatusText += "Maximum translation: " + boost::lexical_cast(m_Parameters.m_Translation) + "mm\n"; } m_StatusText += "Motion logfile: " + (filePath+fileName) + "\n"; MITK_INFO << "Adding motion artifacts"; MITK_INFO << "Maximum rotation: " << m_Parameters.m_Rotation; MITK_INFO << "Maxmimum translation: " << m_Parameters.m_Translation; } maxVolume = 0; m_StatusText += "\n"+this->GetTime()+" > Generating " + boost::lexical_cast(numFiberCompartments+numNonFiberCompartments) + "-compartment diffusion-weighted signal.\n"; int numFibers = m_FiberBundle->GetNumFibers(); boost::progress_display disp(numFibers*m_Parameters.GetNumVolumes()); // get transform for motion artifacts FiberBundleType fiberBundleTransformed = fiberBundle; DoubleVectorType rotation = m_Parameters.m_Rotation/m_Parameters.GetNumVolumes(); DoubleVectorType translation = m_Parameters.m_Translation/m_Parameters.GetNumVolumes(); // creat image to hold transformed mask (motion artifact) ItkUcharImgType::Pointer tempTissueMask = ItkUcharImgType::New(); itk::ImageDuplicator::Pointer duplicator = itk::ImageDuplicator::New(); duplicator->SetInputImage(m_Parameters.m_MaskImage); duplicator->Update(); tempTissueMask = duplicator->GetOutput(); // second upsampling needed for motion artifacts ImageRegion<3> upsampledImageRegion = m_UpsampledImageRegion; DoubleVectorType upsampledSpacing = m_UpsampledSpacing; upsampledSpacing[0] /= 4; upsampledSpacing[1] /= 4; upsampledSpacing[2] /= 4; upsampledImageRegion.SetSize(0, m_UpsampledImageRegion.GetSize()[0]*4); upsampledImageRegion.SetSize(1, m_UpsampledImageRegion.GetSize()[1]*4); upsampledImageRegion.SetSize(2, m_UpsampledImageRegion.GetSize()[2]*4); itk::Point upsampledOrigin = m_UpsampledOrigin; upsampledOrigin[0] -= m_UpsampledSpacing[0]/2; upsampledOrigin[0] += upsampledSpacing[0]/2; upsampledOrigin[1] -= m_UpsampledSpacing[1]/2; upsampledOrigin[1] += upsampledSpacing[1]/2; upsampledOrigin[2] -= m_UpsampledSpacing[2]/2; upsampledOrigin[2] += upsampledSpacing[2]/2; ItkUcharImgType::Pointer upsampledTissueMask = ItkUcharImgType::New(); itk::ResampleImageFilter::Pointer upsampler = itk::ResampleImageFilter::New(); upsampler->SetInput(m_Parameters.m_MaskImage); upsampler->SetOutputParametersFromImage(m_Parameters.m_MaskImage); upsampler->SetSize(upsampledImageRegion.GetSize()); upsampler->SetOutputSpacing(upsampledSpacing); upsampler->SetOutputOrigin(upsampledOrigin); itk::NearestNeighborInterpolateImageFunction::Pointer nn_interpolator = itk::NearestNeighborInterpolateImageFunction::New(); upsampler->SetInterpolator(nn_interpolator); upsampler->Update(); upsampledTissueMask = upsampler->GetOutput(); unsigned long lastTick = 0; + int signalModelSeed = m_RandGen->GetIntegerVariate(); switch (m_Parameters.m_DiffusionDirectionMode) { case(FiberfoxParameters<>::FIBER_TANGENT_DIRECTIONS): { m_StatusText += "0% 10 20 30 40 50 60 70 80 90 100%\n"; m_StatusText += "|----|----|----|----|----|----|----|----|----|----|\n*"; for (unsigned int g=0; gSetSeed(signalModelSeed); + for (int i=0; iSetSeed(signalModelSeed); + ItkDoubleImgType::Pointer intraAxonalVolumeImage = ItkDoubleImgType::New(); intraAxonalVolumeImage->SetSpacing( m_UpsampledSpacing ); intraAxonalVolumeImage->SetOrigin( m_UpsampledOrigin ); intraAxonalVolumeImage->SetDirection( m_Parameters.m_ImageDirection ); intraAxonalVolumeImage->SetLargestPossibleRegion( m_UpsampledImageRegion ); intraAxonalVolumeImage->SetBufferedRegion( m_UpsampledImageRegion ); intraAxonalVolumeImage->SetRequestedRegion( m_UpsampledImageRegion ); intraAxonalVolumeImage->Allocate(); intraAxonalVolumeImage->FillBuffer(0); vtkPolyData* fiberPolyData = fiberBundleTransformed->GetFiberPolyData(); // generate fiber signal (if there are any fiber models present) if (!m_Parameters.m_FiberModelList.empty()) for( int i=0; iGetCell(i); int numPoints = cell->GetNumberOfPoints(); vtkPoints* points = cell->GetPoints(); if (numPoints<2) continue; for( int j=0; jGetAbortGenerateData()) { m_StatusText += "\n"+this->GetTime()+" > Simulation aborted\n"; return; } double* temp = points->GetPoint(j); itk::Point vertex = GetItkPoint(temp); itk::Vector v = GetItkVector(temp); itk::Vector dir(3); if (jGetPoint(j+1))-v; else dir = v-GetItkVector(points->GetPoint(j-1)); if (dir.GetSquaredNorm()<0.0001 || dir[0]!=dir[0] || dir[1]!=dir[1] || dir[2]!=dir[2]) continue; itk::Index<3> idx; itk::ContinuousIndex contIndex; tempTissueMask->TransformPhysicalPointToIndex(vertex, idx); tempTissueMask->TransformPhysicalPointToContinuousIndex(vertex, contIndex); if (!tempTissueMask->GetLargestPossibleRegion().IsInside(idx) || tempTissueMask->GetPixel(idx)<=0) continue; // generate signal for each fiber compartment for (int k=0; kSetFiberDirection(dir); DoubleDwiType::PixelType pix = m_CompartmentImages.at(k)->GetPixel(idx); pix[g] += segmentVolume*m_Parameters.m_FiberModelList[k]->SimulateMeasurement(g); m_CompartmentImages.at(k)->SetPixel(idx, pix); } // update fiber volume image double vol = intraAxonalVolumeImage->GetPixel(idx) + segmentVolume; intraAxonalVolumeImage->SetPixel(idx, vol); if (g==0 && vol>maxVolume) maxVolume = vol; } // progress report ++disp; unsigned long newTick = 50*disp.count()/disp.expected_count(); for (unsigned int tick = 0; tick<(newTick-lastTick); tick++) m_StatusText += "*"; lastTick = newTick; } // generate non-fiber signal ImageRegionIterator it3(tempTissueMask, tempTissueMask->GetLargestPossibleRegion()); double fact = 1; if (m_Parameters.m_AxonRadius<0.0001 || maxVolume>voxelVolume) fact = voxelVolume/maxVolume; while(!it3.IsAtEnd()) { if (it3.Get()>0) { DoubleDwiType::IndexType index = it3.GetIndex(); // get fiber volume fraction double intraAxonalVolume = intraAxonalVolumeImage->GetPixel(index)*fact; for (int i=0; iGetPixel(index); pix[g] *= fact; m_CompartmentImages.at(i)->SetPixel(index, pix); } if (intraAxonalVolume>0.0001 && m_Parameters.m_DoDisablePartialVolume) // only fiber in voxel { DoubleDwiType::PixelType pix = m_CompartmentImages.at(0)->GetPixel(index); pix[g] *= voxelVolume/intraAxonalVolume; m_CompartmentImages.at(0)->SetPixel(index, pix); m_VolumeFractions.at(0)->SetPixel(index, 1); for (int i=1; iGetPixel(index); pix[g] = 0; m_CompartmentImages.at(i)->SetPixel(index, pix); } } else { m_VolumeFractions.at(0)->SetPixel(index, intraAxonalVolume/voxelVolume); itk::Point point; tempTissueMask->TransformIndexToPhysicalPoint(index, point); if (m_Parameters.m_DoAddMotion) { if (m_Parameters.m_DoRandomizeMotion && g>0) point = fiberBundle->TransformPoint(point.GetVnlVector(), -rotation[0],-rotation[1],-rotation[2],-translation[0],-translation[1],-translation[2]); else point = fiberBundle->TransformPoint(point.GetVnlVector(), -rotation[0]*g,-rotation[1]*g,-rotation[2]*g,-translation[0]*g,-translation[1]*g,-translation[2]*g); } if (m_Parameters.m_DoDisablePartialVolume) { int maxVolumeIndex = 0; double maxWeight = 0; for (int i=0; i1) { DoubleDwiType::IndexType newIndex; m_Parameters.m_NonFiberModelList[i]->GetVolumeFractionImage()->TransformPhysicalPointToIndex(point, newIndex); if (!m_Parameters.m_NonFiberModelList[i]->GetVolumeFractionImage()->GetLargestPossibleRegion().IsInside(newIndex)) continue; weight = m_Parameters.m_NonFiberModelList[i]->GetVolumeFractionImage()->GetPixel(newIndex); } if (weight>maxWeight) { maxWeight = weight; maxVolumeIndex = i; } } DoubleDwiType::Pointer doubleDwi = m_CompartmentImages.at(maxVolumeIndex+numFiberCompartments); DoubleDwiType::PixelType pix = doubleDwi->GetPixel(index); pix[g] += m_Parameters.m_NonFiberModelList[maxVolumeIndex]->SimulateMeasurement(g); doubleDwi->SetPixel(index, pix); m_VolumeFractions.at(maxVolumeIndex+numFiberCompartments)->SetPixel(index, 1); } else { double extraAxonalVolume = voxelVolume-intraAxonalVolume; // non-fiber volume double interAxonalVolume = 0; if (numFiberCompartments>1) interAxonalVolume = extraAxonalVolume * intraAxonalVolume/voxelVolume; // inter-axonal fraction of non fiber compartment scales linearly with f double other = extraAxonalVolume - interAxonalVolume; // rest of compartment double singleinter = interAxonalVolume/(numFiberCompartments-1); // adjust non-fiber and intra-axonal signal for (int i=1; iGetPixel(index); if (intraAxonalVolume>0) // remove scaling by intra-axonal volume from inter-axonal compartment pix[g] /= intraAxonalVolume; pix[g] *= singleinter; m_CompartmentImages.at(i)->SetPixel(index, pix); m_VolumeFractions.at(i)->SetPixel(index, singleinter/voxelVolume); } for (int i=0; i1) { DoubleDwiType::IndexType newIndex; m_Parameters.m_NonFiberModelList[i]->GetVolumeFractionImage()->TransformPhysicalPointToIndex(point, newIndex); if (!m_Parameters.m_NonFiberModelList[i]->GetVolumeFractionImage()->GetLargestPossibleRegion().IsInside(newIndex)) continue; weight = m_Parameters.m_NonFiberModelList[i]->GetVolumeFractionImage()->GetPixel(newIndex); } DoubleDwiType::Pointer doubleDwi = m_CompartmentImages.at(i+numFiberCompartments); DoubleDwiType::PixelType pix = doubleDwi->GetPixel(index); pix[g] += m_Parameters.m_NonFiberModelList[i]->SimulateMeasurement(g)*other*weight; doubleDwi->SetPixel(index, pix); m_VolumeFractions.at(i+numFiberCompartments)->SetPixel(index, other/voxelVolume*weight); } } } } ++it3; } // move fibers if (m_Parameters.m_DoAddMotion && gGetDeepCopy(); rotation[0] = m_RandGen->GetVariateWithClosedRange(m_Parameters.m_Rotation[0]*2)-m_Parameters.m_Rotation[0]; rotation[1] = m_RandGen->GetVariateWithClosedRange(m_Parameters.m_Rotation[1]*2)-m_Parameters.m_Rotation[1]; rotation[2] = m_RandGen->GetVariateWithClosedRange(m_Parameters.m_Rotation[2]*2)-m_Parameters.m_Rotation[2]; translation[0] = m_RandGen->GetVariateWithClosedRange(m_Parameters.m_Translation[0]*2)-m_Parameters.m_Translation[0]; translation[1] = m_RandGen->GetVariateWithClosedRange(m_Parameters.m_Translation[1]*2)-m_Parameters.m_Translation[1]; translation[2] = m_RandGen->GetVariateWithClosedRange(m_Parameters.m_Translation[2]*2)-m_Parameters.m_Translation[2]; } // rotate mask image if (maskImageSet) { ImageRegionIterator maskIt(upsampledTissueMask, upsampledTissueMask->GetLargestPossibleRegion()); tempTissueMask->FillBuffer(0); while(!maskIt.IsAtEnd()) { if (maskIt.Get()<=0) { ++maskIt; continue; } DoubleDwiType::IndexType index = maskIt.GetIndex(); itk::Point point; upsampledTissueMask->TransformIndexToPhysicalPoint(index, point); if (m_Parameters.m_DoRandomizeMotion) point = fiberBundle->TransformPoint(point.GetVnlVector(), rotation[0],rotation[1],rotation[2],translation[0],translation[1],translation[2]); else point = fiberBundle->TransformPoint(point.GetVnlVector(), rotation[0]*(g+1),rotation[1]*(g+1),rotation[2]*(g+1),translation[0]*(g+1),translation[1]*(g+1),translation[2]*(g+1)); tempTissueMask->TransformPhysicalPointToIndex(point, index); if (tempTissueMask->GetLargestPossibleRegion().IsInside(index)) tempTissueMask->SetPixel(index,100); ++maskIt; } } // rotate fibers if (logFile.is_open()) { logFile << g+1 << " rotation: " << rotation[0] << "," << rotation[1] << "," << rotation[2] << ";"; logFile << " translation: " << translation[0] << "," << translation[1] << "," << translation[2] << "\n"; } fiberBundleTransformed->TransformFibers(rotation[0],rotation[1],rotation[2],translation[0],translation[1],translation[2]); } } break; } case (FiberfoxParameters<>::MAIN_FIBER_DIRECTIONS): { typedef itk::Image< itk::Vector< float, 3>, 3 > ItkDirectionImage3DType; typedef itk::VectorContainer< unsigned int, ItkDirectionImage3DType::Pointer > ItkDirectionImageContainerType; itk::TractsToVectorImageFilter::Pointer fOdfFilter = itk::TractsToVectorImageFilter::New(); fOdfFilter->SetFiberBundle(fiberBundle); fOdfFilter->SetMaskImage(tempTissueMask); - fOdfFilter->SetAngularThreshold(cos(45*M_PI/180)); + fOdfFilter->SetAngularThreshold(cos(30.0*M_PI/180.0)); fOdfFilter->SetNormalizeVectors(false); - fOdfFilter->SetUseWorkingCopy(false); + fOdfFilter->SetUseWorkingCopy(true); fOdfFilter->SetSizeThreshold(0); fOdfFilter->SetMaxNumDirections(3); fOdfFilter->Update(); ItkDirectionImageContainerType::Pointer directionImageContainer = fOdfFilter->GetDirectionImageContainer(); - { - ItkUcharImgType::Pointer numDirImage = fOdfFilter->GetNumDirectionsImage(); - typedef itk::ImageFileWriter< ItkUcharImgType > WriterType; - WriterType::Pointer writer = WriterType::New(); - writer->SetFileName("/local/NumDirections.nrrd"); - writer->SetInput(numDirImage); - writer->Update(); - } - ItkDoubleImgType::Pointer intraAxonalVolumeImage = ItkDoubleImgType::New(); intraAxonalVolumeImage->SetSpacing( m_UpsampledSpacing ); intraAxonalVolumeImage->SetOrigin( m_UpsampledOrigin ); intraAxonalVolumeImage->SetDirection( m_Parameters.m_ImageDirection ); intraAxonalVolumeImage->SetLargestPossibleRegion( m_UpsampledImageRegion ); intraAxonalVolumeImage->SetBufferedRegion( m_UpsampledImageRegion ); intraAxonalVolumeImage->SetRequestedRegion( m_UpsampledImageRegion ); intraAxonalVolumeImage->Allocate(); intraAxonalVolumeImage->FillBuffer(0); - itk::TractDensityImageFilter< ItkDoubleImgType >::Pointer generator = itk::TractDensityImageFilter< ItkDoubleImgType >::New(); - generator->SetFiberBundle(fiberBundle); - generator->SetBinaryOutput(false); - generator->SetOutputAbsoluteValues(false); - generator->SetInputImage(intraAxonalVolumeImage); - generator->SetUseImageGeometry(true); - generator->Update(); - intraAxonalVolumeImage = generator->GetOutput(); + itk::TractDensityImageFilter< ItkDoubleImgType >::Pointer tdiFilter = itk::TractDensityImageFilter< ItkDoubleImgType >::New(); + tdiFilter->SetFiberBundle(fiberBundle); + tdiFilter->SetBinaryOutput(false); + tdiFilter->SetOutputAbsoluteValues(false); + tdiFilter->SetInputImage(intraAxonalVolumeImage); + tdiFilter->SetUseImageGeometry(true); + tdiFilter->Update(); + intraAxonalVolumeImage = tdiFilter->GetOutput(); m_StatusText += "0% 10 20 30 40 50 60 70 80 90 100%\n"; m_StatusText += "|----|----|----|----|----|----|----|----|----|----|\n*"; boost::progress_display disp(tempTissueMask->GetLargestPossibleRegion().GetNumberOfPixels()); ImageRegionIterator< ItkUcharImgType > it(tempTissueMask, tempTissueMask->GetLargestPossibleRegion()); while(!it.IsAtEnd()) { ++disp; unsigned long newTick = 50*disp.count()/disp.expected_count(); for (unsigned int tick = 0; tick<(newTick-lastTick); tick++) m_StatusText += "*"; lastTick = newTick; if (this->GetAbortGenerateData()) { m_StatusText += "\n"+this->GetTime()+" > Simulation aborted\n"; return; } if (it.Get()>0) { - int count = 0; - DoubleDwiType::PixelType pix = m_CompartmentImages.at(0)->GetPixel(it.GetIndex()); - for (unsigned int i=0; iSize(); i++) + // generate fiber signal + for (int c=0; c dir; - dir.CastFrom(directionImageContainer->GetElement(i)->GetPixel(it.GetIndex())); - double norm = dir.GetNorm(); - if (norm>0.0001) + // int count = 0; + DoubleDwiType::PixelType pix = m_CompartmentImages.at(c)->GetPixel(it.GetIndex()); + for (unsigned int i=0; iSize(); i++) { - int modelIndex = m_RandGen->GetIntegerVariate(m_Parameters.m_FiberModelList.size()-1); - m_Parameters.m_FiberModelList.at(modelIndex)->SetFiberDirection(dir); - pix += m_Parameters.m_FiberModelList.at(modelIndex)->SimulateMeasurement()*norm; - count++; + itk::Vector< double, 3> dir; + dir.CastFrom(directionImageContainer->GetElement(i)->GetPixel(it.GetIndex())); + double norm = dir.GetNorm(); + if (norm>0.0001) + { + m_Parameters.m_FiberModelList.at(c)->SetFiberDirection(dir); + pix += m_Parameters.m_FiberModelList.at(c)->SimulateMeasurement()*norm; + // count++; + } } + // if (count>0) + // pix /= count; + pix *= intraAxonalVolumeImage->GetPixel(it.GetIndex()); + m_CompartmentImages.at(c)->SetPixel(it.GetIndex(), pix); } - if (count>0) - pix /= count; - pix *= intraAxonalVolumeImage->GetPixel(it.GetIndex()); - // GM/CSF + // generate non-fiber signal { int modelIndex = m_RandGen->GetIntegerVariate(m_Parameters.m_NonFiberModelList.size()-1); pix += (1-intraAxonalVolumeImage->GetPixel(it.GetIndex()))*m_Parameters.m_NonFiberModelList.at(modelIndex)->SimulateMeasurement(); } - m_CompartmentImages.at(0)->SetPixel(it.GetIndex(), pix); } ++it; } break; } case (FiberfoxParameters<>::RANDOM_DIRECTIONS): { ItkUcharImgType::Pointer numDirectionsImage = ItkUcharImgType::New(); numDirectionsImage->SetSpacing( m_UpsampledSpacing ); numDirectionsImage->SetOrigin( m_UpsampledOrigin ); numDirectionsImage->SetDirection( m_Parameters.m_ImageDirection ); numDirectionsImage->SetLargestPossibleRegion( m_UpsampledImageRegion ); numDirectionsImage->SetBufferedRegion( m_UpsampledImageRegion ); numDirectionsImage->SetRequestedRegion( m_UpsampledImageRegion ); numDirectionsImage->Allocate(); numDirectionsImage->FillBuffer(0); m_StatusText += "0% 10 20 30 40 50 60 70 80 90 100%\n"; m_StatusText += "|----|----|----|----|----|----|----|----|----|----|\n*"; boost::progress_display disp(tempTissueMask->GetLargestPossibleRegion().GetNumberOfPixels()); ImageRegionIterator it(tempTissueMask, tempTissueMask->GetLargestPossibleRegion()); while(!it.IsAtEnd()) { ++disp; unsigned long newTick = 50*disp.count()/disp.expected_count(); for (unsigned int tick = 0; tick<(newTick-lastTick); tick++) m_StatusText += "*"; lastTick = newTick; if (this->GetAbortGenerateData()) { m_StatusText += "\n"+this->GetTime()+" > Simulation aborted\n"; return; } if (it.Get()>0) { int numFibs = m_RandGen->GetIntegerVariate(2)+1; DoubleDwiType::PixelType pix = m_CompartmentImages.at(0)->GetPixel(it.GetIndex()); double volume = m_RandGen->GetVariateWithClosedRange(0.3); - double sum = 0; + // double sum = 0; std::vector< double > fractions; for (int i=0; iGetVariateWithClosedRange(0.5)); - sum += fractions.at(i); + // sum += fractions.at(i); } - for (int i=0; i > directions; for (int i=0; iGetVariateWithClosedRange(2)-1.0; fib[1] = m_RandGen->GetVariateWithClosedRange(2)-1.0; fib[2] = m_RandGen->GetVariateWithClosedRange(2)-1.0; fib.Normalize(); double min = 0; for (unsigned int d=0; dmin) min = angle; } if (min<0.5) { m_Parameters.m_FiberModelList.at(0)->SetFiberDirection(fib); pix += m_Parameters.m_FiberModelList.at(0)->SimulateMeasurement()*fractions[i]; directions.push_back(fib); } else i--; } pix *= (1-volume); + m_CompartmentImages.at(0)->SetPixel(it.GetIndex(), pix); // CSF/GM { // int modelIndex = m_RandGen->GetIntegerVariate(m_Parameters.m_NonFiberModelList.size()-1); pix += volume*m_Parameters.m_NonFiberModelList.at(0)->SimulateMeasurement(); } - m_CompartmentImages.at(0)->SetPixel(it.GetIndex(), pix); numDirectionsImage->SetPixel(it.GetIndex(), numFibs); } ++it; } itk::ImageFileWriter< ItkUcharImgType >::Pointer wr = itk::ImageFileWriter< ItkUcharImgType >::New(); wr->SetInput(numDirectionsImage); wr->SetFileName("/local/NumDirections.nrrd"); wr->Update(); } } if (logFile.is_open()) { logFile << "DONE"; logFile.close(); } m_StatusText += "\n\n"; if (this->GetAbortGenerateData()) { m_StatusText += "\n"+this->GetTime()+" > Simulation aborted\n"; return; } // do k-space stuff DoubleDwiType::Pointer doubleOutImage; if ( m_Parameters.m_SimulateKspaceAcquisition ) { m_StatusText += this->GetTime()+" > Adjusting complex signal\n"; MITK_INFO << "Adjusting complex signal:"; if (m_Parameters.m_DoSimulateRelaxation) m_StatusText += "Simulating signal relaxation\n"; if (m_Parameters.m_FrequencyMap.IsNotNull()) m_StatusText += "Simulating distortions\n"; if (m_Parameters.m_DoAddGibbsRinging) m_StatusText += "Simulating ringing artifacts\n"; if (m_Parameters.m_EddyStrength>0) m_StatusText += "Simulating eddy currents\n"; if (m_Parameters.m_Spikes>0) m_StatusText += "Simulating spikes\n"; if (m_Parameters.m_CroppingFactor<1.0) m_StatusText += "Simulating aliasing artifacts\n"; if (m_Parameters.m_KspaceLineOffset>0) m_StatusText += "Simulating ghosts\n"; doubleOutImage = DoKspaceStuff(m_CompartmentImages); m_Parameters.m_SignalScale = 1; // already scaled in DoKspaceStuff } else { m_StatusText += this->GetTime()+" > Summing compartments\n"; MITK_INFO << "Summing compartments"; doubleOutImage = m_CompartmentImages.at(0); for (unsigned int i=1; i::Pointer adder = itk::AddImageFilter< DoubleDwiType, DoubleDwiType, DoubleDwiType>::New(); adder->SetInput1(doubleOutImage); adder->SetInput2(m_CompartmentImages.at(i)); adder->Update(); doubleOutImage = adder->GetOutput(); } } if (this->GetAbortGenerateData()) { m_StatusText += "\n"+this->GetTime()+" > Simulation aborted\n"; return; } m_StatusText += this->GetTime()+" > Finalizing image\n"; MITK_INFO << "Finalizing image"; if (m_Parameters.m_SignalScale>1) m_StatusText += " Scaling signal\n"; if (m_Parameters.m_NoiseModel!=NULL) m_StatusText += " Adding noise\n"; unsigned int window = 0; unsigned int min = itk::NumericTraits::max(); ImageRegionIterator it4 (outImage, outImage->GetLargestPossibleRegion()); DoubleDwiType::PixelType signal; signal.SetSize(m_Parameters.GetNumVolumes()); boost::progress_display disp2(outImage->GetLargestPossibleRegion().GetNumberOfPixels()); m_StatusText += "0% 10 20 30 40 50 60 70 80 90 100%\n"; m_StatusText += "|----|----|----|----|----|----|----|----|----|----|\n*"; lastTick = 0; while(!it4.IsAtEnd()) { if (this->GetAbortGenerateData()) { m_StatusText += "\n"+this->GetTime()+" > Simulation aborted\n"; return; } ++disp2; unsigned long newTick = 50*disp2.count()/disp2.expected_count(); for (unsigned long tick = 0; tick<(newTick-lastTick); tick++) m_StatusText += "*"; lastTick = newTick; typename OutputImageType::IndexType index = it4.GetIndex(); signal = doubleOutImage->GetPixel(index)*m_Parameters.m_SignalScale; if (m_Parameters.m_NoiseModel!=NULL) m_Parameters.m_NoiseModel->AddNoise(signal); for (unsigned int i=0; i0) signal[i] = floor(signal[i]+0.5); else signal[i] = ceil(signal[i]-0.5); if ( (!m_Parameters.IsBaselineIndex(i) || signal.Size()==1) && signal[i]>window) window = signal[i]; if ( (!m_Parameters.IsBaselineIndex(i) || signal.Size()==1) && signal[i]SetNthOutput(0, outImage); m_StatusText += "\n\n"; m_StatusText += "Finished simulation\n"; m_StatusText += "Simulation time: "+GetTime(); m_TimeProbe.Stop(); } template< class PixelType > itk::Point TractsToDWIImageFilter< PixelType >::GetItkPoint(double point[3]) { itk::Point itkPoint; itkPoint[0] = point[0]; itkPoint[1] = point[1]; itkPoint[2] = point[2]; return itkPoint; } template< class PixelType > itk::Vector TractsToDWIImageFilter< PixelType >::GetItkVector(double point[3]) { itk::Vector itkVector; itkVector[0] = point[0]; itkVector[1] = point[1]; itkVector[2] = point[2]; return itkVector; } template< class PixelType > vnl_vector_fixed TractsToDWIImageFilter< PixelType >::GetVnlVector(double point[3]) { vnl_vector_fixed vnlVector; vnlVector[0] = point[0]; vnlVector[1] = point[1]; vnlVector[2] = point[2]; return vnlVector; } template< class PixelType > vnl_vector_fixed TractsToDWIImageFilter< PixelType >::GetVnlVector(Vector& vector) { vnl_vector_fixed vnlVector; vnlVector[0] = vector[0]; vnlVector[1] = vector[1]; vnlVector[2] = vector[2]; return vnlVector; } template< class PixelType > double TractsToDWIImageFilter< PixelType >::RoundToNearest(double num) { return (num > 0.0) ? floor(num + 0.5) : ceil(num - 0.5); } template< class PixelType > std::string TractsToDWIImageFilter< PixelType >::GetTime() { m_TimeProbe.Stop(); unsigned long total = RoundToNearest(m_TimeProbe.GetTotal()); unsigned long hours = total/3600; unsigned long minutes = (total%3600)/60; unsigned long seconds = total%60; std::string out = ""; out.append(boost::lexical_cast(hours)); out.append(":"); out.append(boost::lexical_cast(minutes)); out.append(":"); out.append(boost::lexical_cast(seconds)); m_TimeProbe.Start(); return out; } } diff --git a/Modules/DiffusionImaging/FiberTracking/SignalModels/mitkAstroStickModel.cpp b/Modules/DiffusionImaging/FiberTracking/SignalModels/mitkAstroStickModel.cpp index 70eb8e429d..bf63c80ff2 100644 --- a/Modules/DiffusionImaging/FiberTracking/SignalModels/mitkAstroStickModel.cpp +++ b/Modules/DiffusionImaging/FiberTracking/SignalModels/mitkAstroStickModel.cpp @@ -1,132 +1,127 @@ /*=================================================================== The Medical Imaging Interaction Toolkit (MITK) Copyright (c) German Cancer Research Center, Division of Medical and Biological Informatics. All rights reserved. This software is distributed WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See LICENSE.txt or http://www.mitk.org for details. ===================================================================*/ #include #include #include using namespace mitk; template< class ScalarType > AstroStickModel< ScalarType >::AstroStickModel() : m_BValue(1000) , m_Diffusivity(0.001) , m_NumSticks(42) , m_RandomizeSticks(false) { - m_RandGen = ItkRandGenType::New(); + this->m_RandGen = itk::Statistics::MersenneTwisterRandomVariateGenerator::New(); + this->m_RandGen->SetSeed(); vnl_matrix_fixed* sticks = itk::PointShell<42, vnl_matrix_fixed >::DistributePointShell(); for (unsigned int i=0; iget(0,i); stick[1] = sticks->get(1,i); stick[2] = sticks->get(2,i); stick.Normalize(); m_Sticks.push_back(stick); } } template< class ScalarType > AstroStickModel< ScalarType >::~AstroStickModel() { } -template< class ScalarType > -void AstroStickModel< ScalarType >::SetSeed(int s) -{ - m_RandGen->SetSeed(s); -} - template< class ScalarType > ScalarType AstroStickModel< ScalarType >::SimulateMeasurement(unsigned int dir) { ScalarType signal = 0; if (dir>=this->m_GradientList.size()) return signal; ScalarType b = -m_BValue*m_Diffusivity; if (m_RandomizeSticks) // random number of sticks - m_NumSticks = 30 + m_RandGen->GetIntegerVariate()%31; + m_NumSticks = 30 + this->m_RandGen->GetIntegerVariate()%31; GradientType g = this->m_GradientList[dir]; ScalarType bVal = g.GetNorm(); bVal *= bVal; if (bVal>0.0001) // is weighted direction { for (unsigned int j=0; j typename AstroStickModel< ScalarType >::GradientType AstroStickModel< ScalarType >::GetRandomDirection() { GradientType vec; - vec[0] = m_RandGen->GetNormalVariate(); - vec[1] = m_RandGen->GetNormalVariate(); - vec[2] = m_RandGen->GetNormalVariate(); + vec[0] = this->m_RandGen->GetNormalVariate(); + vec[1] = this->m_RandGen->GetNormalVariate(); + vec[2] = this->m_RandGen->GetNormalVariate(); vec.Normalize(); return vec; } template< class ScalarType > typename AstroStickModel< ScalarType >::PixelType AstroStickModel< ScalarType >::SimulateMeasurement() { PixelType signal; signal.SetSize(this->m_GradientList.size()); ScalarType b = -m_BValue*m_Diffusivity; if (m_RandomizeSticks) - m_NumSticks = 30 + m_RandGen->GetIntegerVariate()%31; + m_NumSticks = 30 + this->m_RandGen->GetIntegerVariate()%31; for( unsigned int i=0; im_GradientList.size(); i++) { GradientType g = this->m_GradientList[i]; ScalarType bVal = g.GetNorm(); bVal *= bVal; if (bVal>0.0001) { for (unsigned int j=0; j #include namespace mitk { /** * \brief Generates the diffusion signal using a collection of idealised cylinder with zero radius: e^(-bd(ng)²) * */ template< class ScalarType > class AstroStickModel : public DiffusionSignalModel< ScalarType > { public: AstroStickModel(); ~AstroStickModel(); typedef typename DiffusionSignalModel< ScalarType >::PixelType PixelType; typedef typename DiffusionSignalModel< ScalarType >::GradientType GradientType; typedef typename DiffusionSignalModel< ScalarType >::GradientListType GradientListType; - typedef itk::Statistics::MersenneTwisterRandomVariateGenerator ItkRandGenType; /** Actual signal generation **/ PixelType SimulateMeasurement(); ScalarType SimulateMeasurement(unsigned int dir); void SetFiberDirection(GradientType fiberDirection){ this->m_FiberDirection = fiberDirection; } void SetGradientList(GradientListType gradientList) { this->m_GradientList = gradientList; } - void SetSeed(int s); ///< set seed for random generator that creates the stick orientations - void SetRandomizeSticks(bool randomize=true){ m_RandomizeSticks=randomize; } ///< Random stick configuration in each voxel void SetBvalue(ScalarType bValue) { m_BValue = bValue; } ///< b-value used to generate the artificial signal void SetDiffusivity(ScalarType diffusivity) { m_Diffusivity = diffusivity; } ///< Scalar diffusion constant void SetNumSticks(unsigned int order) { vnl_matrix sticks; switch (order) { case 1: m_NumSticks = 12; sticks = itk::PointShell<12, vnl_matrix_fixed >::DistributePointShell()->as_matrix(); break; case 2: m_NumSticks = 42; sticks = itk::PointShell<42, vnl_matrix_fixed >::DistributePointShell()->as_matrix(); break; case 3: m_NumSticks = 92; sticks = itk::PointShell<92, vnl_matrix_fixed >::DistributePointShell()->as_matrix(); break; case 4: m_NumSticks = 162; sticks = itk::PointShell<162, vnl_matrix_fixed >::DistributePointShell()->as_matrix(); break; case 5: m_NumSticks = 252; sticks = itk::PointShell<252, vnl_matrix_fixed >::DistributePointShell()->as_matrix(); break; default: m_NumSticks = 42; sticks = itk::PointShell<42, vnl_matrix_fixed >::DistributePointShell()->as_matrix(); break; } for (int i=0; i #include #include #include +#include #include namespace mitk { /** * \brief Abstract class for diffusion signal models * */ template< class ScalarType > class DiffusionSignalModel { public: DiffusionSignalModel() : m_T2(100) {} ~DiffusionSignalModel(){} typedef itk::Image ItkDoubleImgType; typedef itk::VariableLengthVector< ScalarType > PixelType; typedef itk::Vector GradientType; typedef std::vector GradientListType; + typedef itk::Statistics::MersenneTwisterRandomVariateGenerator ItkRandGenType; /** Realizes actual signal generation. Has to be implemented in subclass. **/ virtual PixelType SimulateMeasurement() = 0; virtual ScalarType SimulateMeasurement(unsigned int dir) = 0; virtual void SetFiberDirection(GradientType fiberDirection) = 0; virtual void SetGradientList(GradientListType gradientList) = 0; void SetT2(double T2) { m_T2 = T2; } void SetVolumeFractionImage(ItkDoubleImgType::Pointer img){ m_VolumeFractionImage = img; } ItkDoubleImgType::Pointer GetVolumeFractionImage(){ return m_VolumeFractionImage; } GradientType GetGradientDirection(int i) { return m_GradientList.at(i); } double GetT2() { return m_T2; } + void SetSeed(int s) ///< set seed for random generator + { + if (m_RandGen.IsNull()) + m_RandGen = itk::Statistics::MersenneTwisterRandomVariateGenerator::New(); + m_RandGen->SetSeed(s); + } + + protected: GradientType m_FiberDirection; ///< Needed to generate anisotropc signal to determin direction of anisotropy GradientListType m_GradientList; ///< Diffusion gradient direction container double m_T2; ///< Tissue specific relaxation time ItkDoubleImgType::Pointer m_VolumeFractionImage; ///< Tissue specific volume fraction for each voxel (only relevant for non fiber compartments) + ItkRandGenType::Pointer m_RandGen; ///< Random number generator }; } #endif diff --git a/Modules/DiffusionImaging/FiberTracking/SignalModels/mitkRawShModel.cpp b/Modules/DiffusionImaging/FiberTracking/SignalModels/mitkRawShModel.cpp index 2fdb8eae50..5f05467ad5 100644 --- a/Modules/DiffusionImaging/FiberTracking/SignalModels/mitkRawShModel.cpp +++ b/Modules/DiffusionImaging/FiberTracking/SignalModels/mitkRawShModel.cpp @@ -1,257 +1,257 @@ /*=================================================================== The Medical Imaging Interaction Toolkit (MITK) Copyright (c) German Cancer Research Center, Division of Medical and Biological Informatics. All rights reserved. This software is distributed WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See LICENSE.txt or http://www.mitk.org for details. ===================================================================*/ #include #include #include #include #include #include using namespace mitk; using namespace boost::math; template< class ScalarType > RawShModel< ScalarType >::RawShModel() : m_ShOrder(0) , m_ModelIndex(-1) , m_MaxNumKernels(1000) { - m_RandGen = itk::Statistics::MersenneTwisterRandomVariateGenerator::New(); - m_RandGen->SetSeed(); + this->m_RandGen = itk::Statistics::MersenneTwisterRandomVariateGenerator::New(); + this->m_RandGen->SetSeed(); m_AdcRange.first = 0; m_AdcRange.second = 0.004; m_FaRange.first = 0; m_FaRange.second = 1; } template< class ScalarType > RawShModel< ScalarType >::~RawShModel() { } template< class ScalarType > void RawShModel< ScalarType >::Clear() { m_ShCoefficients.clear(); m_PrototypeMaxDirection.clear(); m_B0Signal.clear(); } template< class ScalarType > void RawShModel< ScalarType >::RandomModel() { - m_ModelIndex = m_RandGen->GetIntegerVariate(m_B0Signal.size()-1); + m_ModelIndex = this->m_RandGen->GetIntegerVariate(m_B0Signal.size()-1); } template< class ScalarType > unsigned int RawShModel< ScalarType >::GetNumberOfKernels() { return m_B0Signal.size(); } // convert cartesian to spherical coordinates template< class ScalarType > void RawShModel< ScalarType >::Cart2Sph( GradientListType gradients ) { m_SphCoords.set_size(gradients.size(), 2); m_SphCoords.fill(0.0); for (unsigned int i=0; i 0.0001 ) { gradients[i].Normalize(); m_SphCoords(i,0) = acos(gradients[i][2]); // theta m_SphCoords(i,1) = atan2(gradients[i][1], gradients[i][0]); // phi } } } template< class ScalarType > void RawShModel< ScalarType >::SetFiberDirection(GradientType fiberDirection) { this->m_FiberDirection = fiberDirection; this->m_FiberDirection.Normalize(); RandomModel(); GradientType axis = itk::CrossProduct(this->m_FiberDirection, m_PrototypeMaxDirection.at(m_ModelIndex)); axis.Normalize(); vnl_quaternion rotation(axis.GetVnlVector(), acos(dot_product(this->m_FiberDirection.GetVnlVector(), m_PrototypeMaxDirection.at(m_ModelIndex).GetVnlVector()))); rotation.normalize(); GradientListType gradients; for (unsigned int i=0; im_GradientList.size(); i++) { GradientType dir = this->m_GradientList.at(i); if( dir.GetNorm() > 0.0001 ) { dir.Normalize(); vnl_vector_fixed< double, 3 > vnlDir = rotation.rotate(dir.GetVnlVector()); dir[0] = vnlDir[0]; dir[1] = vnlDir[1]; dir[2] = vnlDir[2]; dir.Normalize(); } gradients.push_back(dir); } Cart2Sph( gradients ); } template< class ScalarType > bool RawShModel< ScalarType >::SetShCoefficients(vnl_vector< double > shCoefficients, ScalarType b0 ) { m_ShOrder = 2; while ( (m_ShOrder*m_ShOrder + m_ShOrder + 2)/2 + m_ShOrder <= shCoefficients.size() ) m_ShOrder += 2; m_ShOrder -= 2; m_ModelIndex = m_B0Signal.size(); m_B0Signal.push_back(b0); m_ShCoefficients.push_back(shCoefficients); // itk::OrientationDistributionFunction odf; // GradientListType gradients; // for (unsigned int i=0; im_GradientList ); // PixelType signal = SimulateMeasurement(); // int minDirIdx = 0; // double min = itk::NumericTraits::max(); // for (unsigned int i=0; ib0 || signal[i]<0) // { // MITK_INFO << "Corrupted signal value detected. Kernel rejected."; // m_B0Signal.pop_back(); // m_ShCoefficients.pop_back(); // return false; // } // if (signal[i]m_GradientList.at(minDirIdx); // maxDir.Normalize(); // m_PrototypeMaxDirection.push_back(maxDir); Cart2Sph( this->m_GradientList ); m_ModelIndex = -1; return true; } template< class ScalarType > ScalarType RawShModel< ScalarType >::SimulateMeasurement(unsigned int dir) { ScalarType signal = 0; if (m_ModelIndex==-1) RandomModel(); if (dir>=this->m_GradientList.size()) return signal; int j, m; double mag, plm; if (this->m_GradientList[dir].GetNorm()>0.001) { j=0; for (int l=0; l<=m_ShOrder; l=l+2) for (m=-l; m<=l; m++) { plm = legendre_p(l,abs(m),cos(m_SphCoords(dir,0))); mag = sqrt((double)(2*l+1)/(4.0*M_PI)*factorial(l-abs(m))/factorial(l+abs(m)))*plm; double basis; if (m<0) basis = sqrt(2.0)*mag*cos(fabs((double)m)*m_SphCoords(dir,1)); else if (m==0) basis = mag; else basis = pow(-1.0, m)*sqrt(2.0)*mag*sin(m*m_SphCoords(dir,1)); signal += m_ShCoefficients.at(m_ModelIndex)[j]*basis; j++; } } else signal = m_B0Signal.at(m_ModelIndex); m_ModelIndex = -1; return signal; } template< class ScalarType > typename RawShModel< ScalarType >::PixelType RawShModel< ScalarType >::SimulateMeasurement() { if (m_ModelIndex==-1) RandomModel(); PixelType signal; signal.SetSize(this->m_GradientList.size()); int M = this->m_GradientList.size(); int j, m; double mag, plm; vnl_matrix< double > shBasis; shBasis.set_size(M, m_ShCoefficients.at(m_ModelIndex).size()); shBasis.fill(0.0); for (int p=0; pm_GradientList[p].GetNorm()>0.001) { j=0; for (int l=0; l<=m_ShOrder; l=l+2) for (m=-l; m<=l; m++) { plm = legendre_p(l,abs(m),cos(m_SphCoords(p,0))); mag = sqrt((double)(2*l+1)/(4.0*M_PI)*factorial(l-abs(m))/factorial(l+abs(m)))*plm; if (m<0) shBasis(p,j) = sqrt(2.0)*mag*cos(fabs((double)m)*m_SphCoords(p,1)); else if (m==0) shBasis(p,j) = mag; else shBasis(p,j) = pow(-1.0, m)*sqrt(2.0)*mag*sin(m*m_SphCoords(p,1)); j++; } double val = 0; for (unsigned int cidx=0; cidx namespace mitk { /** * \brief The spherical harmonic representation of a prototype diffusion weighted MR signal is used to obtain the direction dependent signal. * */ template< class ScalarType > class RawShModel : public DiffusionSignalModel< ScalarType > { public: RawShModel(); ~RawShModel(); typedef typename DiffusionSignalModel< ScalarType >::PixelType PixelType; typedef typename DiffusionSignalModel< ScalarType >::GradientType GradientType; typedef typename DiffusionSignalModel< ScalarType >::GradientListType GradientListType; typedef itk::Matrix< double, 3, 3 > MatrixType; /** Actual signal generation **/ PixelType SimulateMeasurement(); ScalarType SimulateMeasurement(unsigned int dir); bool SetShCoefficients(vnl_vector< double > shCoefficients, ScalarType b0); void SetFiberDirection(GradientType fiberDirection); void SetGradientList(GradientListType gradientList) { this->m_GradientList = gradientList; } void SetFaRange(double min, double max){ m_FaRange.first = min; m_FaRange.second = max; } void SetAdcRange(double min, double max){ m_AdcRange.first = min; m_AdcRange.second = max; } void SetMaxNumKernels(unsigned int max){ m_MaxNumKernels = max; } unsigned int GetNumberOfKernels(); std::pair< double, double > GetFaRange(){ return m_FaRange; } std::pair< double, double > GetAdcRange(){ return m_AdcRange; } unsigned int GetMaxNumKernels(){ return m_MaxNumKernels; } void Clear(); vector< GradientType > m_PrototypeMaxDirection; protected: void Cart2Sph( GradientListType gradients ); void RandomModel(); std::pair< double, double > m_AdcRange; std::pair< double, double > m_FaRange; vector< vnl_vector< double > > m_ShCoefficients; vector< ScalarType > m_B0Signal; vnl_matrix m_SphCoords; unsigned int m_ShOrder; int m_ModelIndex; unsigned int m_MaxNumKernels; - itk::Statistics::MersenneTwisterRandomVariateGenerator::Pointer m_RandGen; }; } #include "mitkRawShModel.cpp" #endif diff --git a/Plugins/org.mitk.gui.qt.diffusionimaging/src/internal/QmitkFiberfoxView.cpp b/Plugins/org.mitk.gui.qt.diffusionimaging/src/internal/QmitkFiberfoxView.cpp index 2c85f47582..4d12b36d0e 100644 --- a/Plugins/org.mitk.gui.qt.diffusionimaging/src/internal/QmitkFiberfoxView.cpp +++ b/Plugins/org.mitk.gui.qt.diffusionimaging/src/internal/QmitkFiberfoxView.cpp @@ -1,2579 +1,2592 @@ /*=================================================================== The Medical Imaging Interaction Toolkit (MITK) Copyright (c) German Cancer Research Center, Division of Medical and Biological Informatics. All rights reserved. This software is distributed WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See LICENSE.txt or http://www.mitk.org for details. ===================================================================*/ //misc #define _USE_MATH_DEFINES #include // Blueberry #include #include // Qmitk #include "QmitkFiberfoxView.h" // MITK #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include "usModuleRegistry.h" #include #include #include #include #include #include #include #include #define _USE_MATH_DEFINES #include QmitkFiberfoxWorker::QmitkFiberfoxWorker(QmitkFiberfoxView* view) : m_View(view) { } void QmitkFiberfoxWorker::run() { try{ switch (m_FilterType) { case 0: m_View->m_TractsToDwiFilter->Update(); break; case 1: m_View->m_ArtifactsToDwiFilter->Update(); break; } } catch( ... ) { } m_View->m_Thread.quit(); } const std::string QmitkFiberfoxView::VIEW_ID = "org.mitk.views.fiberfoxview"; QmitkFiberfoxView::QmitkFiberfoxView() : QmitkAbstractView() , m_Controls( 0 ) , m_SelectedImage( NULL ) , m_Worker(this) , m_ThreadIsRunning(false) { m_Worker.moveToThread(&m_Thread); connect(&m_Thread, SIGNAL(started()), this, SLOT(BeforeThread())); connect(&m_Thread, SIGNAL(started()), &m_Worker, SLOT(run())); connect(&m_Thread, SIGNAL(finished()), this, SLOT(AfterThread())); connect(&m_Thread, SIGNAL(terminated()), this, SLOT(AfterThread())); m_SimulationTimer = new QTimer(this); } void QmitkFiberfoxView::KillThread() { MITK_INFO << "Aborting DWI simulation."; switch (m_Worker.m_FilterType) { case 0: m_TractsToDwiFilter->SetAbortGenerateData(true); break; case 1: m_ArtifactsToDwiFilter->SetAbortGenerateData(true); break; } m_Controls->m_AbortSimulationButton->setEnabled(false); m_Controls->m_AbortSimulationButton->setText("Aborting simulation ..."); } void QmitkFiberfoxView::BeforeThread() { m_SimulationTime = QTime::currentTime(); m_SimulationTimer->start(100); m_Controls->m_AbortSimulationButton->setVisible(true); m_Controls->m_GenerateImageButton->setVisible(false); m_Controls->m_SimulationStatusText->setVisible(true); m_ThreadIsRunning = true; } void QmitkFiberfoxView::AfterThread() { UpdateSimulationStatus(); m_SimulationTimer->stop(); m_Controls->m_AbortSimulationButton->setVisible(false); m_Controls->m_AbortSimulationButton->setEnabled(true); m_Controls->m_AbortSimulationButton->setText("Abort simulation"); m_Controls->m_GenerateImageButton->setVisible(true); m_ThreadIsRunning = false; QString statusText; FiberfoxParameters parameters; mitk::DiffusionImage::Pointer mitkImage = mitk::DiffusionImage::New(); switch (m_Worker.m_FilterType) { case 0: { statusText = QString(m_TractsToDwiFilter->GetStatusText().c_str()); if (m_TractsToDwiFilter->GetAbortGenerateData()) { MITK_INFO << "Simulation aborted."; return; } parameters = m_TractsToDwiFilter->GetParameters(); mitkImage->SetVectorImage( m_TractsToDwiFilter->GetOutput() ); mitkImage->SetReferenceBValue(parameters.m_Bvalue); mitkImage->SetDirections(parameters.GetGradientDirections()); mitkImage->InitializeFromVectorImage(); parameters.m_ResultNode->SetData( mitkImage ); parameters.m_ResultNode->SetName(parameters.m_ParentNode->GetName() +"_D"+QString::number(parameters.m_ImageRegion.GetSize(0)).toStdString() +"-"+QString::number(parameters.m_ImageRegion.GetSize(1)).toStdString() +"-"+QString::number(parameters.m_ImageRegion.GetSize(2)).toStdString() +"_S"+QString::number(parameters.m_ImageSpacing[0]).toStdString() +"-"+QString::number(parameters.m_ImageSpacing[1]).toStdString() +"-"+QString::number(parameters.m_ImageSpacing[2]).toStdString() +"_b"+QString::number(parameters.m_Bvalue).toStdString() +"_"+parameters.m_SignalModelString +parameters.m_ArtifactModelString); GetDataStorage()->Add(parameters.m_ResultNode, parameters.m_ParentNode); parameters.m_ResultNode->SetProperty( "levelwindow", mitk::LevelWindowProperty::New(m_TractsToDwiFilter->GetLevelWindow()) ); if (m_Controls->m_VolumeFractionsBox->isChecked()) { std::vector< itk::TractsToDWIImageFilter< short >::ItkDoubleImgType::Pointer > volumeFractions = m_TractsToDwiFilter->GetVolumeFractions(); for (unsigned int k=0; kInitializeByItk(volumeFractions.at(k).GetPointer()); image->SetVolume(volumeFractions.at(k)->GetBufferPointer()); mitk::DataNode::Pointer node = mitk::DataNode::New(); node->SetData( image ); node->SetName(parameters.m_ParentNode->GetName()+"_CompartmentVolume-"+QString::number(k).toStdString()); GetDataStorage()->Add(node, parameters.m_ParentNode); } } m_TractsToDwiFilter = NULL; break; } case 1: { statusText = QString(m_ArtifactsToDwiFilter->GetStatusText().c_str()); if (m_ArtifactsToDwiFilter->GetAbortGenerateData()) { MITK_INFO << "Simulation aborted."; return; } parameters = m_ArtifactsToDwiFilter->GetParameters().CopyParameters(); mitk::DiffusionImage::Pointer diffImg = dynamic_cast*>(parameters.m_ParentNode->GetData()); mitkImage = mitk::DiffusionImage::New(); mitkImage->SetVectorImage( m_ArtifactsToDwiFilter->GetOutput() ); mitkImage->SetReferenceBValue(diffImg->GetReferenceBValue()); mitkImage->SetDirections(diffImg->GetDirections()); mitkImage->InitializeFromVectorImage(); parameters.m_ResultNode->SetData( mitkImage ); parameters.m_ResultNode->SetName(parameters.m_ParentNode->GetName()+parameters.m_ArtifactModelString); GetDataStorage()->Add(parameters.m_ResultNode, parameters.m_ParentNode); m_ArtifactsToDwiFilter = NULL; break; } } mitk::BaseData::Pointer basedata = parameters.m_ResultNode->GetData(); if (basedata.IsNotNull()) { mitk::RenderingManager::GetInstance()->InitializeViews( basedata->GetTimeGeometry(), mitk::RenderingManager::REQUEST_UPDATE_ALL, true ); mitk::RenderingManager::GetInstance()->RequestUpdateAll(); } if (!parameters.m_OutputPath.empty()) { try{ QString outputFileName(parameters.m_OutputPath.c_str()); outputFileName += parameters.m_ResultNode->GetName().c_str(); outputFileName.replace(QString("."), QString("_")); outputFileName += ".dwi"; QString status("Saving output image to "); status += outputFileName; m_Controls->m_SimulationStatusText->append(status); mitk::IOUtil::SaveBaseData(mitkImage, outputFileName.toStdString()); m_Controls->m_SimulationStatusText->append("File saved successfully."); } catch (itk::ExceptionObject &e) { QString status("Exception during DWI writing: "); status += e.GetDescription(); m_Controls->m_SimulationStatusText->append(status); } catch (...) { m_Controls->m_SimulationStatusText->append("Unknown exception during DWI writing!"); } } parameters.m_FrequencyMap = NULL; } void QmitkFiberfoxView::UpdateSimulationStatus() { QString statusText; switch (m_Worker.m_FilterType) { case 0: statusText = QString(m_TractsToDwiFilter->GetStatusText().c_str()); break; case 1: statusText = QString(m_ArtifactsToDwiFilter->GetStatusText().c_str()); break; } if (QString::compare(m_SimulationStatusText,statusText)!=0) { m_Controls->m_SimulationStatusText->clear(); statusText = "
"+statusText+"
"; m_Controls->m_SimulationStatusText->setText(statusText); QScrollBar *vScrollBar = m_Controls->m_SimulationStatusText->verticalScrollBar(); vScrollBar->triggerAction(QScrollBar::SliderToMaximum); } } // Destructor QmitkFiberfoxView::~QmitkFiberfoxView() { delete m_SimulationTimer; } void QmitkFiberfoxView::CreateQtPartControl( QWidget *parent ) { // build up qt view, unless already done if ( !m_Controls ) { // create GUI widgets from the Qt Designer's .ui file m_Controls = new Ui::QmitkFiberfoxViewControls; m_Controls->setupUi( parent ); m_Controls->m_StickWidget1->setVisible(true); m_Controls->m_StickWidget2->setVisible(false); m_Controls->m_ZeppelinWidget1->setVisible(false); m_Controls->m_ZeppelinWidget2->setVisible(false); m_Controls->m_TensorWidget1->setVisible(false); m_Controls->m_TensorWidget2->setVisible(false); m_Controls->m_BallWidget1->setVisible(true); m_Controls->m_BallWidget2->setVisible(false); m_Controls->m_AstrosticksWidget1->setVisible(false); m_Controls->m_AstrosticksWidget2->setVisible(false); m_Controls->m_DotWidget1->setVisible(false); m_Controls->m_DotWidget2->setVisible(false); m_Controls->m_PrototypeWidget1->setVisible(false); m_Controls->m_PrototypeWidget2->setVisible(false); m_Controls->m_PrototypeWidget3->setVisible(false); m_Controls->m_PrototypeWidget4->setVisible(false); m_Controls->m_PrototypeWidget3->SetMinFa(0.0); m_Controls->m_PrototypeWidget3->SetMaxFa(0.15); m_Controls->m_PrototypeWidget4->SetMinFa(0.0); m_Controls->m_PrototypeWidget4->SetMaxFa(0.15); m_Controls->m_PrototypeWidget3->SetMinAdc(0.0); m_Controls->m_PrototypeWidget3->SetMaxAdc(0.001); m_Controls->m_PrototypeWidget4->SetMinAdc(0.003); m_Controls->m_PrototypeWidget4->SetMaxAdc(0.004); m_Controls->m_Comp4FractionFrame->setVisible(false); m_Controls->m_DiffusionPropsMessage->setVisible(false); m_Controls->m_GeometryMessage->setVisible(false); m_Controls->m_AdvancedSignalOptionsFrame->setVisible(false); m_Controls->m_AdvancedFiberOptionsFrame->setVisible(false); m_Controls->m_VarianceBox->setVisible(false); m_Controls->m_NoiseFrame->setVisible(false); m_Controls->m_GhostFrame->setVisible(false); m_Controls->m_DistortionsFrame->setVisible(false); m_Controls->m_EddyFrame->setVisible(false); m_Controls->m_SpikeFrame->setVisible(false); m_Controls->m_AliasingFrame->setVisible(false); m_Controls->m_MotionArtifactFrame->setVisible(false); m_ParameterFile = QDir::currentPath()+"/param.ffp"; m_Controls->m_AbortSimulationButton->setVisible(false); m_Controls->m_SimulationStatusText->setVisible(false); m_Controls->m_FrequencyMapBox->SetDataStorage(this->GetDataStorage()); mitk::TNodePredicateDataType::Pointer isMitkImage = mitk::TNodePredicateDataType::New(); mitk::NodePredicateDataType::Pointer isDwi = mitk::NodePredicateDataType::New("DiffusionImage"); mitk::NodePredicateDataType::Pointer isDti = mitk::NodePredicateDataType::New("TensorImage"); mitk::NodePredicateDataType::Pointer isQbi = mitk::NodePredicateDataType::New("QBallImage"); mitk::NodePredicateOr::Pointer isDiffusionImage = mitk::NodePredicateOr::New(isDwi, isDti); isDiffusionImage = mitk::NodePredicateOr::New(isDiffusionImage, isQbi); mitk::NodePredicateNot::Pointer noDiffusionImage = mitk::NodePredicateNot::New(isDiffusionImage); mitk::NodePredicateAnd::Pointer finalPredicate = mitk::NodePredicateAnd::New(isMitkImage, noDiffusionImage); m_Controls->m_FrequencyMapBox->SetPredicate(finalPredicate); m_Controls->m_Comp4VolumeFraction->SetDataStorage(this->GetDataStorage()); m_Controls->m_Comp4VolumeFraction->SetPredicate(finalPredicate); connect( m_SimulationTimer, SIGNAL(timeout()), this, SLOT(UpdateSimulationStatus()) ); connect((QObject*) m_Controls->m_AbortSimulationButton, SIGNAL(clicked()), (QObject*) this, SLOT(KillThread())); connect((QObject*) m_Controls->m_GenerateImageButton, SIGNAL(clicked()), (QObject*) this, SLOT(GenerateImage())); connect((QObject*) m_Controls->m_GenerateFibersButton, SIGNAL(clicked()), (QObject*) this, SLOT(GenerateFibers())); connect((QObject*) m_Controls->m_CircleButton, SIGNAL(clicked()), (QObject*) this, SLOT(OnDrawROI())); connect((QObject*) m_Controls->m_FlipButton, SIGNAL(clicked()), (QObject*) this, SLOT(OnFlipButton())); connect((QObject*) m_Controls->m_JoinBundlesButton, SIGNAL(clicked()), (QObject*) this, SLOT(JoinBundles())); connect((QObject*) m_Controls->m_VarianceBox, SIGNAL(valueChanged(double)), (QObject*) this, SLOT(OnVarianceChanged(double))); connect((QObject*) m_Controls->m_DistributionBox, SIGNAL(currentIndexChanged(int)), (QObject*) this, SLOT(OnDistributionChanged(int))); connect((QObject*) m_Controls->m_FiberDensityBox, SIGNAL(valueChanged(int)), (QObject*) this, SLOT(OnFiberDensityChanged(int))); connect((QObject*) m_Controls->m_FiberSamplingBox, SIGNAL(valueChanged(double)), (QObject*) this, SLOT(OnFiberSamplingChanged(double))); connect((QObject*) m_Controls->m_TensionBox, SIGNAL(valueChanged(double)), (QObject*) this, SLOT(OnTensionChanged(double))); connect((QObject*) m_Controls->m_ContinuityBox, SIGNAL(valueChanged(double)), (QObject*) this, SLOT(OnContinuityChanged(double))); connect((QObject*) m_Controls->m_BiasBox, SIGNAL(valueChanged(double)), (QObject*) this, SLOT(OnBiasChanged(double))); connect((QObject*) m_Controls->m_AddNoise, SIGNAL(stateChanged(int)), (QObject*) this, SLOT(OnAddNoise(int))); connect((QObject*) m_Controls->m_AddGhosts, SIGNAL(stateChanged(int)), (QObject*) this, SLOT(OnAddGhosts(int))); connect((QObject*) m_Controls->m_AddDistortions, SIGNAL(stateChanged(int)), (QObject*) this, SLOT(OnAddDistortions(int))); connect((QObject*) m_Controls->m_AddEddy, SIGNAL(stateChanged(int)), (QObject*) this, SLOT(OnAddEddy(int))); connect((QObject*) m_Controls->m_AddSpikes, SIGNAL(stateChanged(int)), (QObject*) this, SLOT(OnAddSpikes(int))); connect((QObject*) m_Controls->m_AddAliasing, SIGNAL(stateChanged(int)), (QObject*) this, SLOT(OnAddAliasing(int))); connect((QObject*) m_Controls->m_AddMotion, SIGNAL(stateChanged(int)), (QObject*) this, SLOT(OnAddMotion(int))); connect((QObject*) m_Controls->m_ConstantRadiusBox, SIGNAL(stateChanged(int)), (QObject*) this, SLOT(OnConstantRadius(int))); connect((QObject*) m_Controls->m_CopyBundlesButton, SIGNAL(clicked()), (QObject*) this, SLOT(CopyBundles())); connect((QObject*) m_Controls->m_TransformBundlesButton, SIGNAL(clicked()), (QObject*) this, SLOT(ApplyTransform())); connect((QObject*) m_Controls->m_AlignOnGrid, SIGNAL(clicked()), (QObject*) this, SLOT(AlignOnGrid())); connect((QObject*) m_Controls->m_Compartment1Box, SIGNAL(currentIndexChanged(int)), (QObject*) this, SLOT(Comp1ModelFrameVisibility(int))); connect((QObject*) m_Controls->m_Compartment2Box, SIGNAL(currentIndexChanged(int)), (QObject*) this, SLOT(Comp2ModelFrameVisibility(int))); connect((QObject*) m_Controls->m_Compartment3Box, SIGNAL(currentIndexChanged(int)), (QObject*) this, SLOT(Comp3ModelFrameVisibility(int))); connect((QObject*) m_Controls->m_Compartment4Box, SIGNAL(currentIndexChanged(int)), (QObject*) this, SLOT(Comp4ModelFrameVisibility(int))); connect((QObject*) m_Controls->m_AdvancedOptionsBox, SIGNAL( stateChanged(int)), (QObject*) this, SLOT(ShowAdvancedOptions(int))); connect((QObject*) m_Controls->m_AdvancedOptionsBox_2, SIGNAL( stateChanged(int)), (QObject*) this, SLOT(ShowAdvancedOptions(int))); connect((QObject*) m_Controls->m_SaveParametersButton, SIGNAL(clicked()), (QObject*) this, SLOT(SaveParameters())); connect((QObject*) m_Controls->m_LoadParametersButton, SIGNAL(clicked()), (QObject*) this, SLOT(LoadParameters())); connect((QObject*) m_Controls->m_OutputPathButton, SIGNAL(clicked()), (QObject*) this, SLOT(SetOutputPath())); } } template< class ScalarType > FiberfoxParameters< ScalarType > QmitkFiberfoxView::UpdateImageParameters() { FiberfoxParameters< ScalarType > parameters; parameters.m_OutputPath = ""; string outputPath = m_Controls->m_SavePathEdit->text().toStdString(); if (outputPath.compare("-")!=0) { parameters.m_OutputPath = outputPath; parameters.m_OutputPath += "/"; } if (m_MaskImageNode.IsNotNull()) { mitk::Image::Pointer mitkMaskImage = dynamic_cast(m_MaskImageNode->GetData()); mitk::CastToItkImage(mitkMaskImage, parameters.m_MaskImage); itk::ImageDuplicator::Pointer duplicator = itk::ImageDuplicator::New(); duplicator->SetInputImage(parameters.m_MaskImage); duplicator->Update(); parameters.m_MaskImage = duplicator->GetOutput(); } if (m_SelectedDWI.IsNotNull()) // use parameters of selected DWI { mitk::DiffusionImage::Pointer dwi = dynamic_cast*>(m_SelectedDWI->GetData()); parameters.m_ImageRegion = dwi->GetVectorImage()->GetLargestPossibleRegion(); parameters.m_ImageSpacing = dwi->GetVectorImage()->GetSpacing(); parameters.m_ImageOrigin = dwi->GetVectorImage()->GetOrigin(); parameters.m_ImageDirection = dwi->GetVectorImage()->GetDirection(); parameters.m_Bvalue = dwi->GetReferenceBValue(); parameters.SetGradienDirections(dwi->GetDirections()); } else if (m_SelectedImage.IsNotNull()) // use geometry of selected image { mitk::Image::Pointer img = dynamic_cast(m_SelectedImage->GetData()); itk::Image< float, 3 >::Pointer itkImg = itk::Image< float, 3 >::New(); CastToItkImage< itk::Image< float, 3 > >(img, itkImg); parameters.m_ImageRegion = itkImg->GetLargestPossibleRegion(); parameters.m_ImageSpacing = itkImg->GetSpacing(); parameters.m_ImageOrigin = itkImg->GetOrigin(); parameters.m_ImageDirection = itkImg->GetDirection(); parameters.SetNumWeightedGradients(m_Controls->m_NumGradientsBox->value()); parameters.m_Bvalue = m_Controls->m_BvalueBox->value(); } else // use GUI parameters { parameters.m_ImageRegion.SetSize(0, m_Controls->m_SizeX->value()); parameters.m_ImageRegion.SetSize(1, m_Controls->m_SizeY->value()); parameters.m_ImageRegion.SetSize(2, m_Controls->m_SizeZ->value()); parameters.m_ImageSpacing[0] = m_Controls->m_SpacingX->value(); parameters.m_ImageSpacing[1] = m_Controls->m_SpacingY->value(); parameters.m_ImageSpacing[2] = m_Controls->m_SpacingZ->value(); parameters.m_ImageOrigin[0] = parameters.m_ImageSpacing[0]/2; parameters.m_ImageOrigin[1] = parameters.m_ImageSpacing[1]/2; parameters.m_ImageOrigin[2] = parameters.m_ImageSpacing[2]/2; parameters.m_ImageDirection.SetIdentity(); parameters.SetNumWeightedGradients(m_Controls->m_NumGradientsBox->value()); parameters.m_Bvalue = m_Controls->m_BvalueBox->value(); parameters.GenerateGradientHalfShell(); } // signal relaxation parameters.m_DoSimulateRelaxation = m_Controls->m_RelaxationBox->isChecked(); parameters.m_SimulateKspaceAcquisition = parameters.m_DoSimulateRelaxation; if (parameters.m_DoSimulateRelaxation && m_SelectedBundles.size()>0 ) parameters.m_ArtifactModelString += "_RELAX"; // N/2 ghosts if (m_Controls->m_AddGhosts->isChecked()) { parameters.m_SimulateKspaceAcquisition = true; parameters.m_ArtifactModelString += "_GHOST"; parameters.m_KspaceLineOffset = m_Controls->m_kOffsetBox->value(); parameters.m_ResultNode->AddProperty("Fiberfox.Ghost", DoubleProperty::New(parameters.m_KspaceLineOffset)); } else parameters.m_KspaceLineOffset = 0; // Aliasing if (m_Controls->m_AddAliasing->isChecked()) { parameters.m_SimulateKspaceAcquisition = true; parameters.m_ArtifactModelString += "_ALIASING"; parameters.m_CroppingFactor = (100-m_Controls->m_WrapBox->value())/100; parameters.m_ResultNode->AddProperty("Fiberfox.Aliasing", DoubleProperty::New(m_Controls->m_WrapBox->value())); } // Spikes if (m_Controls->m_AddSpikes->isChecked()) { parameters.m_SimulateKspaceAcquisition = true; parameters.m_Spikes = m_Controls->m_SpikeNumBox->value(); parameters.m_SpikeAmplitude = m_Controls->m_SpikeScaleBox->value(); parameters.m_ArtifactModelString += "_SPIKES"; parameters.m_ResultNode->AddProperty("Fiberfox.Spikes.Number", IntProperty::New(parameters.m_Spikes)); parameters.m_ResultNode->AddProperty("Fiberfox.Spikes.Amplitude", DoubleProperty::New(parameters.m_SpikeAmplitude)); } // gibbs ringing parameters.m_DoAddGibbsRinging = m_Controls->m_AddGibbsRinging->isChecked(); if (m_Controls->m_AddGibbsRinging->isChecked()) { parameters.m_SimulateKspaceAcquisition = true; parameters.m_ResultNode->AddProperty("Fiberfox.Ringing", BoolProperty::New(true)); parameters.m_ArtifactModelString += "_RINGING"; } // add distortions if (m_Controls->m_AddDistortions->isChecked() && m_Controls->m_FrequencyMapBox->GetSelectedNode().IsNotNull()) { mitk::DataNode::Pointer fMapNode = m_Controls->m_FrequencyMapBox->GetSelectedNode(); mitk::Image* img = dynamic_cast(fMapNode->GetData()); ItkDoubleImgType::Pointer itkImg = ItkDoubleImgType::New(); CastToItkImage< ItkDoubleImgType >(img, itkImg); if (parameters.m_ImageRegion.GetSize(0)==itkImg->GetLargestPossibleRegion().GetSize(0) && parameters.m_ImageRegion.GetSize(1)==itkImg->GetLargestPossibleRegion().GetSize(1) && parameters.m_ImageRegion.GetSize(2)==itkImg->GetLargestPossibleRegion().GetSize(2)) { parameters.m_SimulateKspaceAcquisition = true; itk::ImageDuplicator::Pointer duplicator = itk::ImageDuplicator::New(); duplicator->SetInputImage(itkImg); duplicator->Update(); parameters.m_FrequencyMap = duplicator->GetOutput(); parameters.m_ArtifactModelString += "_DISTORTED"; parameters.m_ResultNode->AddProperty("Fiberfox.Distortions", BoolProperty::New(true)); } } parameters.m_EddyStrength = 0; if (m_Controls->m_AddEddy->isChecked()) { parameters.m_EddyStrength = m_Controls->m_EddyGradientStrength->value(); parameters.m_ArtifactModelString += "_EDDY"; parameters.m_ResultNode->AddProperty("Fiberfox.Eddy-strength", DoubleProperty::New(parameters.m_EddyStrength)); } // Motion parameters.m_DoAddMotion = m_Controls->m_AddMotion->isChecked(); parameters.m_DoRandomizeMotion = m_Controls->m_RandomMotion->isChecked(); parameters.m_Translation[0] = m_Controls->m_MaxTranslationBoxX->value(); parameters.m_Translation[1] = m_Controls->m_MaxTranslationBoxY->value(); parameters.m_Translation[2] = m_Controls->m_MaxTranslationBoxZ->value(); parameters.m_Rotation[0] = m_Controls->m_MaxRotationBoxX->value(); parameters.m_Rotation[1] = m_Controls->m_MaxRotationBoxY->value(); parameters.m_Rotation[2] = m_Controls->m_MaxRotationBoxZ->value(); if ( m_Controls->m_AddMotion->isChecked() && m_SelectedBundles.size()>0 ) { parameters.m_ArtifactModelString += "_MOTION"; parameters.m_ResultNode->AddProperty("Fiberfox.Motion.Random", BoolProperty::New(parameters.m_DoRandomizeMotion)); parameters.m_ResultNode->AddProperty("Fiberfox.Motion.Translation-x", DoubleProperty::New(parameters.m_Translation[0])); parameters.m_ResultNode->AddProperty("Fiberfox.Motion.Translation-y", DoubleProperty::New(parameters.m_Translation[1])); parameters.m_ResultNode->AddProperty("Fiberfox.Motion.Translation-z", DoubleProperty::New(parameters.m_Translation[2])); parameters.m_ResultNode->AddProperty("Fiberfox.Motion.Rotation-x", DoubleProperty::New(parameters.m_Rotation[0])); parameters.m_ResultNode->AddProperty("Fiberfox.Motion.Rotation-y", DoubleProperty::New(parameters.m_Rotation[1])); parameters.m_ResultNode->AddProperty("Fiberfox.Motion.Rotation-z", DoubleProperty::New(parameters.m_Rotation[2])); } // other imaging parameters parameters.m_tLine = m_Controls->m_LineReadoutTimeBox->value(); parameters.m_tInhom = m_Controls->m_T2starBox->value(); parameters.m_tEcho = m_Controls->m_TEbox->value(); parameters.m_DoDisablePartialVolume = m_Controls->m_EnforcePureFiberVoxelsBox->isChecked(); parameters.m_AxonRadius = m_Controls->m_FiberRadius->value(); parameters.m_SignalScale = m_Controls->m_SignalScaleBox->value(); // adjust echo time if needed if ( parameters.m_tEcho < parameters.m_ImageRegion.GetSize(1)*parameters.m_tLine ) { this->m_Controls->m_TEbox->setValue( parameters.m_ImageRegion.GetSize(1)*parameters.m_tLine ); parameters.m_tEcho = m_Controls->m_TEbox->value(); QMessageBox::information( NULL, "Warning", "Echo time is too short! Time not sufficient to read slice. Automaticall adjusted to "+QString::number(parameters.m_tEcho)+" ms"); } // Noise if (m_Controls->m_AddNoise->isChecked()) { double noiseVariance = m_Controls->m_NoiseLevel->value(); { switch (m_Controls->m_NoiseDistributionBox->currentIndex()) { case 0: { parameters.m_NoiseModel = new mitk::RicianNoiseModel(); parameters.m_ArtifactModelString += "_RICIAN-"; parameters.m_ResultNode->AddProperty("Fiberfox.Noise-Distribution", StringProperty::New("Rician")); break; } case 1: { parameters.m_NoiseModel = new mitk::ChiSquareNoiseModel(); parameters.m_ArtifactModelString += "_CHISQUARED-"; parameters.m_ResultNode->AddProperty("Fiberfox.Noise-Distribution", StringProperty::New("Chi-squared")); break; } default: { parameters.m_NoiseModel = new mitk::RicianNoiseModel(); parameters.m_ArtifactModelString += "_RICIAN-"; parameters.m_ResultNode->AddProperty("Fiberfox.Noise-Distribution", StringProperty::New("Rician")); } } } parameters.m_NoiseModel->SetNoiseVariance(noiseVariance); parameters.m_ArtifactModelString += QString::number(noiseVariance).toStdString(); parameters.m_ResultNode->AddProperty("Fiberfox.Noise-Variance", DoubleProperty::New(noiseVariance)); } // adjusting line readout time to the adapted image size needed for the DFT unsigned int y = parameters.m_ImageRegion.GetSize(1); y += y%2; if ( y>parameters.m_ImageRegion.GetSize(1) ) parameters.m_tLine *= (double)parameters.m_ImageRegion.GetSize(1)/y; // signal models m_PrototypeModel1.Clear(); m_PrototypeModel3.Clear(); m_PrototypeModel4.Clear(); // compartment 1 switch (m_Controls->m_Compartment1Box->currentIndex()) { case 0: m_StickModel1.SetGradientList(parameters.GetGradientDirections()); m_StickModel1.SetBvalue(parameters.m_Bvalue); m_StickModel1.SetDiffusivity(m_Controls->m_StickWidget1->GetD()); m_StickModel1.SetT2(m_Controls->m_StickWidget1->GetT2()); parameters.m_FiberModelList.push_back(&m_StickModel1); parameters.m_SignalModelString += "Stick"; parameters.m_ResultNode->AddProperty("Fiberfox.Compartment1.Description", StringProperty::New("Intra-axonal compartment") ); parameters.m_ResultNode->AddProperty("Fiberfox.Compartment1.Model", StringProperty::New("Stick") ); parameters.m_ResultNode->AddProperty("Fiberfox.Compartment1.D", DoubleProperty::New(m_Controls->m_StickWidget1->GetD()) ); parameters.m_ResultNode->AddProperty("Fiberfox.Compartment1.T2", DoubleProperty::New(m_StickModel1.GetT2()) ); break; case 1: m_ZeppelinModel1.SetGradientList(parameters.GetGradientDirections()); m_ZeppelinModel1.SetBvalue(parameters.m_Bvalue); m_ZeppelinModel1.SetDiffusivity1(m_Controls->m_ZeppelinWidget1->GetD1()); m_ZeppelinModel1.SetDiffusivity2(m_Controls->m_ZeppelinWidget1->GetD2()); m_ZeppelinModel1.SetDiffusivity3(m_Controls->m_ZeppelinWidget1->GetD2()); m_ZeppelinModel1.SetT2(m_Controls->m_ZeppelinWidget1->GetT2()); parameters.m_FiberModelList.push_back(&m_ZeppelinModel1); parameters.m_SignalModelString += "Zeppelin"; parameters.m_ResultNode->AddProperty("Fiberfox.Compartment1.Description", StringProperty::New("Intra-axonal compartment") ); parameters.m_ResultNode->AddProperty("Fiberfox.Compartment1.Model", StringProperty::New("Zeppelin") ); parameters.m_ResultNode->AddProperty("Fiberfox.Compartment1.D1", DoubleProperty::New(m_Controls->m_ZeppelinWidget1->GetD1()) ); parameters.m_ResultNode->AddProperty("Fiberfox.Compartment1.D2", DoubleProperty::New(m_Controls->m_ZeppelinWidget1->GetD2()) ); parameters.m_ResultNode->AddProperty("Fiberfox.Compartment1.T2", DoubleProperty::New(m_ZeppelinModel1.GetT2()) ); break; case 2: m_TensorModel1.SetGradientList(parameters.GetGradientDirections()); m_TensorModel1.SetBvalue(parameters.m_Bvalue); m_TensorModel1.SetDiffusivity1(m_Controls->m_TensorWidget1->GetD1()); m_TensorModel1.SetDiffusivity2(m_Controls->m_TensorWidget1->GetD2()); m_TensorModel1.SetDiffusivity3(m_Controls->m_TensorWidget1->GetD3()); m_TensorModel1.SetT2(m_Controls->m_TensorWidget1->GetT2()); parameters.m_FiberModelList.push_back(&m_TensorModel1); parameters.m_SignalModelString += "Tensor"; parameters.m_ResultNode->AddProperty("Fiberfox.Compartment1.Description", StringProperty::New("Intra-axonal compartment") ); parameters.m_ResultNode->AddProperty("Fiberfox.Compartment1.Model", StringProperty::New("Tensor") ); parameters.m_ResultNode->AddProperty("Fiberfox.Compartment1.D1", DoubleProperty::New(m_Controls->m_TensorWidget1->GetD1()) ); parameters.m_ResultNode->AddProperty("Fiberfox.Compartment1.D2", DoubleProperty::New(m_Controls->m_TensorWidget1->GetD2()) ); parameters.m_ResultNode->AddProperty("Fiberfox.Compartment1.D3", DoubleProperty::New(m_Controls->m_TensorWidget1->GetD3()) ); parameters.m_ResultNode->AddProperty("Fiberfox.Compartment1.T2", DoubleProperty::New(m_ZeppelinModel1.GetT2()) ); break; case 3: parameters.m_SimulateKspaceAcquisition = false; m_PrototypeModel1.SetGradientList(parameters.GetGradientDirections()); m_PrototypeModel1.SetMaxNumKernels(m_Controls->m_PrototypeWidget1->GetNumberOfSamples()); m_PrototypeModel1.SetFaRange(m_Controls->m_PrototypeWidget1->GetMinFa(), m_Controls->m_PrototypeWidget1->GetMaxFa()); m_PrototypeModel1.SetAdcRange(m_Controls->m_PrototypeWidget1->GetMinAdc(), m_Controls->m_PrototypeWidget1->GetMaxAdc()); parameters.m_FiberModelList.push_back(&m_PrototypeModel1); parameters.m_SignalModelString += "Prototype"; parameters.m_ResultNode->AddProperty("Fiberfox.Compartment1.Description", StringProperty::New("Intra-axonal compartment") ); parameters.m_ResultNode->AddProperty("Fiberfox.Compartment1.Model", StringProperty::New("Prototype") ); break; } // compartment 2 switch (m_Controls->m_Compartment2Box->currentIndex()) { case 0: break; case 1: m_StickModel2.SetGradientList(parameters.GetGradientDirections()); m_StickModel2.SetBvalue(parameters.m_Bvalue); m_StickModel2.SetDiffusivity(m_Controls->m_StickWidget2->GetD()); m_StickModel2.SetT2(m_Controls->m_StickWidget2->GetT2()); parameters.m_FiberModelList.push_back(&m_StickModel2); parameters.m_SignalModelString += "Stick"; parameters.m_ResultNode->AddProperty("Fiberfox.Compartment2.Description", StringProperty::New("Inter-axonal compartment") ); parameters.m_ResultNode->AddProperty("Fiberfox.Compartment2.Model", StringProperty::New("Stick") ); parameters.m_ResultNode->AddProperty("Fiberfox.Compartment2.D", DoubleProperty::New(m_Controls->m_StickWidget2->GetD()) ); parameters.m_ResultNode->AddProperty("Fiberfox.Compartment2.T2", DoubleProperty::New(m_StickModel2.GetT2()) ); break; case 2: m_ZeppelinModel2.SetGradientList(parameters.GetGradientDirections()); m_ZeppelinModel2.SetBvalue(parameters.m_Bvalue); m_ZeppelinModel2.SetDiffusivity1(m_Controls->m_ZeppelinWidget2->GetD1()); m_ZeppelinModel2.SetDiffusivity2(m_Controls->m_ZeppelinWidget2->GetD2()); m_ZeppelinModel2.SetDiffusivity3(m_Controls->m_ZeppelinWidget2->GetD2()); m_ZeppelinModel2.SetT2(m_Controls->m_ZeppelinWidget2->GetT2()); parameters.m_FiberModelList.push_back(&m_ZeppelinModel2); parameters.m_SignalModelString += "Zeppelin"; parameters.m_ResultNode->AddProperty("Fiberfox.Compartment2.Description", StringProperty::New("Inter-axonal compartment") ); parameters.m_ResultNode->AddProperty("Fiberfox.Compartment2.Model", StringProperty::New("Zeppelin") ); parameters.m_ResultNode->AddProperty("Fiberfox.Compartment2.D1", DoubleProperty::New(m_Controls->m_ZeppelinWidget2->GetD1()) ); parameters.m_ResultNode->AddProperty("Fiberfox.Compartment2.D2", DoubleProperty::New(m_Controls->m_ZeppelinWidget2->GetD2()) ); parameters.m_ResultNode->AddProperty("Fiberfox.Compartment2.T2", DoubleProperty::New(m_ZeppelinModel2.GetT2()) ); break; case 3: m_TensorModel2.SetGradientList(parameters.GetGradientDirections()); m_TensorModel2.SetBvalue(parameters.m_Bvalue); m_TensorModel2.SetDiffusivity1(m_Controls->m_TensorWidget2->GetD1()); m_TensorModel2.SetDiffusivity2(m_Controls->m_TensorWidget2->GetD2()); m_TensorModel2.SetDiffusivity3(m_Controls->m_TensorWidget2->GetD3()); m_TensorModel2.SetT2(m_Controls->m_TensorWidget2->GetT2()); parameters.m_FiberModelList.push_back(&m_TensorModel2); parameters.m_SignalModelString += "Tensor"; parameters.m_ResultNode->AddProperty("Fiberfox.Compartment2.Description", StringProperty::New("Inter-axonal compartment") ); parameters.m_ResultNode->AddProperty("Fiberfox.Compartment2.Model", StringProperty::New("Tensor") ); parameters.m_ResultNode->AddProperty("Fiberfox.Compartment2.D1", DoubleProperty::New(m_Controls->m_TensorWidget2->GetD1()) ); parameters.m_ResultNode->AddProperty("Fiberfox.Compartment2.D2", DoubleProperty::New(m_Controls->m_TensorWidget2->GetD2()) ); parameters.m_ResultNode->AddProperty("Fiberfox.Compartment2.D3", DoubleProperty::New(m_Controls->m_TensorWidget2->GetD3()) ); parameters.m_ResultNode->AddProperty("Fiberfox.Compartment2.T2", DoubleProperty::New(m_ZeppelinModel2.GetT2()) ); break; } // compartment 3 switch (m_Controls->m_Compartment3Box->currentIndex()) { case 0: m_BallModel1.SetGradientList(parameters.GetGradientDirections()); m_BallModel1.SetBvalue(parameters.m_Bvalue); m_BallModel1.SetDiffusivity(m_Controls->m_BallWidget1->GetD()); m_BallModel1.SetT2(m_Controls->m_BallWidget1->GetT2()); parameters.m_NonFiberModelList.push_back(&m_BallModel1); parameters.m_SignalModelString += "Ball"; parameters.m_ResultNode->AddProperty("Fiberfox.Compartment3.Description", StringProperty::New("Extra-axonal compartment 1") ); parameters.m_ResultNode->AddProperty("Fiberfox.Compartment3.Model", StringProperty::New("Ball") ); parameters.m_ResultNode->AddProperty("Fiberfox.Compartment3.D", DoubleProperty::New(m_Controls->m_BallWidget1->GetD()) ); parameters.m_ResultNode->AddProperty("Fiberfox.Compartment3.T2", DoubleProperty::New(m_BallModel1.GetT2()) ); break; case 1: m_AstrosticksModel1.SetGradientList(parameters.GetGradientDirections()); m_AstrosticksModel1.SetBvalue(parameters.m_Bvalue); m_AstrosticksModel1.SetDiffusivity(m_Controls->m_AstrosticksWidget1->GetD()); m_AstrosticksModel1.SetT2(m_Controls->m_AstrosticksWidget1->GetT2()); m_AstrosticksModel1.SetRandomizeSticks(m_Controls->m_AstrosticksWidget1->GetRandomizeSticks()); parameters.m_NonFiberModelList.push_back(&m_AstrosticksModel1); parameters.m_SignalModelString += "Astrosticks"; parameters.m_ResultNode->AddProperty("Fiberfox.Compartment3.Description", StringProperty::New("Extra-axonal compartment 1") ); parameters.m_ResultNode->AddProperty("Fiberfox.Compartment3.Model", StringProperty::New("Astrosticks") ); parameters.m_ResultNode->AddProperty("Fiberfox.Compartment3.D", DoubleProperty::New(m_Controls->m_AstrosticksWidget1->GetD()) ); parameters.m_ResultNode->AddProperty("Fiberfox.Compartment3.T2", DoubleProperty::New(m_AstrosticksModel1.GetT2()) ); parameters.m_ResultNode->AddProperty("Fiberfox.Compartment3.RandomSticks", BoolProperty::New(m_Controls->m_AstrosticksWidget1->GetRandomizeSticks()) ); break; case 2: m_DotModel1.SetGradientList(parameters.GetGradientDirections()); m_DotModel1.SetT2(m_Controls->m_DotWidget1->GetT2()); parameters.m_NonFiberModelList.push_back(&m_DotModel1); parameters.m_SignalModelString += "Dot"; parameters.m_ResultNode->AddProperty("Fiberfox.Compartment3.Description", StringProperty::New("Extra-axonal compartment 1") ); parameters.m_ResultNode->AddProperty("Fiberfox.Compartment3.Model", StringProperty::New("Dot") ); parameters.m_ResultNode->AddProperty("Fiberfox.Compartment3.T2", DoubleProperty::New(m_DotModel1.GetT2()) ); break; case 3: parameters.m_SimulateKspaceAcquisition = false; m_PrototypeModel3.SetGradientList(parameters.GetGradientDirections()); m_PrototypeModel3.SetMaxNumKernels(m_Controls->m_PrototypeWidget3->GetNumberOfSamples()); m_PrototypeModel3.SetFaRange(m_Controls->m_PrototypeWidget3->GetMinFa(), m_Controls->m_PrototypeWidget3->GetMaxFa()); m_PrototypeModel3.SetAdcRange(m_Controls->m_PrototypeWidget3->GetMinAdc(), m_Controls->m_PrototypeWidget3->GetMaxAdc()); parameters.m_NonFiberModelList.push_back(&m_PrototypeModel3); parameters.m_SignalModelString += "Prototype"; parameters.m_ResultNode->AddProperty("Fiberfox.Compartment3.Description", StringProperty::New("Extra-axonal compartment 1") ); parameters.m_ResultNode->AddProperty("Fiberfox.Compartment3.Model", StringProperty::New("Prototype") ); break; } // compartment 4 ItkDoubleImgType::Pointer comp4VolumeImage = NULL; ItkDoubleImgType::Pointer comp3VolumeImage = NULL; if (m_Controls->m_Compartment4Box->currentIndex()>0) { mitk::DataNode::Pointer volumeNode = m_Controls->m_Comp4VolumeFraction->GetSelectedNode(); if (volumeNode.IsNull()) { MITK_WARN << "No volume fraction image selected! Second extra-axonal compartment has been disabled."; } else { MITK_INFO << "Rescaling volume fraction image..."; comp4VolumeImage = ItkDoubleImgType::New(); mitk::Image* img = dynamic_cast(volumeNode->GetData()); CastToItkImage< ItkDoubleImgType >(img, comp4VolumeImage); double max = itk::NumericTraits::min(); double min = itk::NumericTraits::max(); itk::ImageRegionIterator< ItkDoubleImgType > it(comp4VolumeImage, comp4VolumeImage->GetLargestPossibleRegion()); while(!it.IsAtEnd()) { if (parameters.m_MaskImage.IsNotNull() && parameters.m_MaskImage->GetPixel(it.GetIndex())<=0) { it.Set(0.0); ++it; continue; } if (it.Get()>max) max = it.Get(); if (it.Get()::Pointer scaler = itk::ShiftScaleImageFilter< ItkDoubleImgType, ItkDoubleImgType >::New(); scaler->SetInput(comp4VolumeImage); scaler->SetShift(-min); - scaler->SetScale(1/(max-min)); + scaler->SetScale(1.0/(max-min)); scaler->Update(); comp4VolumeImage = scaler->GetOutput(); itk::ImageFileWriter< ItkDoubleImgType >::Pointer wr = itk::ImageFileWriter< ItkDoubleImgType >::New(); wr->SetInput(comp4VolumeImage); wr->SetFileName("/local/comp4.nrrd"); wr->Update(); // if (max>1 || min<0) // are volume fractions between 0 and 1? // { // itk::RescaleIntensityImageFilter::Pointer rescaler = itk::RescaleIntensityImageFilter::New(); // rescaler->SetInput(0, comp4VolumeImage); // rescaler->SetOutputMaximum(1); // rescaler->SetOutputMinimum(0); // rescaler->Update(); // comp4VolumeImage = rescaler->GetOutput(); // } itk::InvertIntensityImageFilter< ItkDoubleImgType, ItkDoubleImgType >::Pointer inverter = itk::InvertIntensityImageFilter< ItkDoubleImgType, ItkDoubleImgType >::New(); inverter->SetMaximum(1.0); inverter->SetInput(comp4VolumeImage); inverter->Update(); comp3VolumeImage = inverter->GetOutput(); } } if (comp4VolumeImage.IsNotNull()) switch (m_Controls->m_Compartment4Box->currentIndex()) { case 0: break; case 1: { m_BallModel2.SetGradientList(parameters.GetGradientDirections()); m_BallModel2.SetBvalue(parameters.m_Bvalue); m_BallModel2.SetDiffusivity(m_Controls->m_BallWidget2->GetD()); m_BallModel2.SetT2(m_Controls->m_BallWidget2->GetT2()); m_BallModel2.SetVolumeFractionImage(comp4VolumeImage); parameters.m_NonFiberModelList.back()->SetVolumeFractionImage(comp3VolumeImage); parameters.m_NonFiberModelList.push_back(&m_BallModel2); parameters.m_SignalModelString += "Ball"; parameters.m_ResultNode->AddProperty("Fiberfox.Compartment4.Description", StringProperty::New("Extra-axonal compartment 2") ); parameters.m_ResultNode->AddProperty("Fiberfox.Compartment4.Model", StringProperty::New("Ball") ); parameters.m_ResultNode->AddProperty("Fiberfox.Compartment4.D", DoubleProperty::New(m_Controls->m_BallWidget2->GetD()) ); parameters.m_ResultNode->AddProperty("Fiberfox.Compartment4.T2", DoubleProperty::New(m_BallModel2.GetT2()) ); break; } case 2: { m_AstrosticksModel2.SetGradientList(parameters.GetGradientDirections()); m_AstrosticksModel2.SetBvalue(parameters.m_Bvalue); m_AstrosticksModel2.SetDiffusivity(m_Controls->m_AstrosticksWidget2->GetD()); m_AstrosticksModel2.SetT2(m_Controls->m_AstrosticksWidget2->GetT2()); m_AstrosticksModel2.SetRandomizeSticks(m_Controls->m_AstrosticksWidget2->GetRandomizeSticks()); parameters.m_NonFiberModelList.back()->SetVolumeFractionImage(comp3VolumeImage); m_AstrosticksModel2.SetVolumeFractionImage(comp4VolumeImage); parameters.m_NonFiberModelList.push_back(&m_AstrosticksModel2); parameters.m_SignalModelString += "Astrosticks"; parameters.m_ResultNode->AddProperty("Fiberfox.Compartment4.Description", StringProperty::New("Extra-axonal compartment 2") ); parameters.m_ResultNode->AddProperty("Fiberfox.Compartment4.Model", StringProperty::New("Astrosticks") ); parameters.m_ResultNode->AddProperty("Fiberfox.Compartment4.D", DoubleProperty::New(m_Controls->m_AstrosticksWidget2->GetD()) ); parameters.m_ResultNode->AddProperty("Fiberfox.Compartment4.T2", DoubleProperty::New(m_AstrosticksModel2.GetT2()) ); parameters.m_ResultNode->AddProperty("Fiberfox.Compartment4.RandomSticks", BoolProperty::New(m_Controls->m_AstrosticksWidget2->GetRandomizeSticks()) ); break; } case 3: { m_DotModel2.SetGradientList(parameters.GetGradientDirections()); m_DotModel2.SetT2(m_Controls->m_DotWidget2->GetT2()); m_DotModel2.SetVolumeFractionImage(comp4VolumeImage); parameters.m_NonFiberModelList.back()->SetVolumeFractionImage(comp3VolumeImage); parameters.m_NonFiberModelList.push_back(&m_DotModel2); parameters.m_SignalModelString += "Dot"; parameters.m_ResultNode->AddProperty("Fiberfox.Compartment4.Description", StringProperty::New("Extra-axonal compartment 2") ); parameters.m_ResultNode->AddProperty("Fiberfox.Compartment4.Model", StringProperty::New("Dot") ); parameters.m_ResultNode->AddProperty("Fiberfox.Compartment4.T2", DoubleProperty::New(m_DotModel2.GetT2()) ); break; } case 4: { parameters.m_SimulateKspaceAcquisition = false; m_PrototypeModel4.SetGradientList(parameters.GetGradientDirections()); m_PrototypeModel4.SetMaxNumKernels(m_Controls->m_PrototypeWidget4->GetNumberOfSamples()); m_PrototypeModel4.SetFaRange(m_Controls->m_PrototypeWidget4->GetMinFa(), m_Controls->m_PrototypeWidget4->GetMaxFa()); m_PrototypeModel4.SetAdcRange(m_Controls->m_PrototypeWidget4->GetMinAdc(), m_Controls->m_PrototypeWidget4->GetMaxAdc()); m_PrototypeModel4.SetVolumeFractionImage(comp4VolumeImage); parameters.m_NonFiberModelList.back()->SetVolumeFractionImage(comp3VolumeImage); parameters.m_NonFiberModelList.push_back(&m_PrototypeModel4); parameters.m_SignalModelString += "Prototype"; parameters.m_ResultNode->AddProperty("Fiberfox.Compartment4.Description", StringProperty::New("Extra-axonal compartment 2") ); parameters.m_ResultNode->AddProperty("Fiberfox.Compartment4.Model", StringProperty::New("Prototype") ); break; } } - parameters.m_DiffusionDirectionMode = FiberfoxParameters::FIBER_TANGENT_DIRECTIONS; + switch (m_Controls->m_DiffusionDirectionBox->currentIndex()) + { + case 0: + parameters.m_DiffusionDirectionMode = FiberfoxParameters::FIBER_TANGENT_DIRECTIONS; + break; + case 1: + parameters.m_DiffusionDirectionMode = FiberfoxParameters::MAIN_FIBER_DIRECTIONS; + break; + case 2: + parameters.m_DiffusionDirectionMode = FiberfoxParameters::RANDOM_DIRECTIONS; + break; + default: + parameters.m_DiffusionDirectionMode = FiberfoxParameters::FIBER_TANGENT_DIRECTIONS; + } parameters.m_ResultNode->AddProperty("Fiberfox.SignalScale", IntProperty::New(parameters.m_SignalScale)); parameters.m_ResultNode->AddProperty("Fiberfox.FiberRadius", IntProperty::New(parameters.m_AxonRadius)); parameters.m_ResultNode->AddProperty("Fiberfox.Tinhom", DoubleProperty::New(parameters.m_tInhom)); parameters.m_ResultNode->AddProperty("Fiberfox.Tline", DoubleProperty::New(parameters.m_tLine)); parameters.m_ResultNode->AddProperty("Fiberfox.TE", DoubleProperty::New(parameters.m_tEcho)); parameters.m_ResultNode->AddProperty("Fiberfox.b-value", DoubleProperty::New(parameters.m_Bvalue)); parameters.m_ResultNode->AddProperty("Fiberfox.NoPartialVolume", BoolProperty::New(parameters.m_DoDisablePartialVolume)); parameters.m_ResultNode->AddProperty("Fiberfox.Relaxation", BoolProperty::New(parameters.m_DoSimulateRelaxation)); parameters.m_ResultNode->AddProperty("binary", BoolProperty::New(false)); return parameters; } void QmitkFiberfoxView::SaveParameters() { FiberfoxParameters ffParamaters = UpdateImageParameters(); QString filename = QFileDialog::getSaveFileName( 0, tr("Save Parameters"), m_ParameterFile, tr("Fiberfox Parameters (*.ffp)") ); if(filename.isEmpty() || filename.isNull()) return; if(!filename.endsWith(".ffp")) filename += ".ffp"; m_ParameterFile = filename; boost::property_tree::ptree parameters; // fiber generation parameters parameters.put("fiberfox.fibers.realtime", m_Controls->m_RealTimeFibers->isChecked()); parameters.put("fiberfox.fibers.showadvanced", m_Controls->m_AdvancedOptionsBox->isChecked()); parameters.put("fiberfox.fibers.distribution", m_Controls->m_DistributionBox->currentIndex()); parameters.put("fiberfox.fibers.variance", m_Controls->m_VarianceBox->value()); parameters.put("fiberfox.fibers.density", m_Controls->m_FiberDensityBox->value()); parameters.put("fiberfox.fibers.spline.sampling", m_Controls->m_FiberSamplingBox->value()); parameters.put("fiberfox.fibers.spline.tension", m_Controls->m_TensionBox->value()); parameters.put("fiberfox.fibers.spline.continuity", m_Controls->m_ContinuityBox->value()); parameters.put("fiberfox.fibers.spline.bias", m_Controls->m_BiasBox->value()); parameters.put("fiberfox.fibers.constantradius", m_Controls->m_ConstantRadiusBox->isChecked()); parameters.put("fiberfox.fibers.rotation.x", m_Controls->m_XrotBox->value()); parameters.put("fiberfox.fibers.rotation.y", m_Controls->m_YrotBox->value()); parameters.put("fiberfox.fibers.rotation.z", m_Controls->m_ZrotBox->value()); parameters.put("fiberfox.fibers.translation.x", m_Controls->m_XtransBox->value()); parameters.put("fiberfox.fibers.translation.y", m_Controls->m_YtransBox->value()); parameters.put("fiberfox.fibers.translation.z", m_Controls->m_ZtransBox->value()); parameters.put("fiberfox.fibers.scale.x", m_Controls->m_XscaleBox->value()); parameters.put("fiberfox.fibers.scale.y", m_Controls->m_YscaleBox->value()); parameters.put("fiberfox.fibers.scale.z", m_Controls->m_ZscaleBox->value()); parameters.put("fiberfox.fibers.includeFiducials", m_Controls->m_IncludeFiducials->isChecked()); parameters.put("fiberfox.fibers.includeFiducials", m_Controls->m_IncludeFiducials->isChecked()); // image generation parameters parameters.put("fiberfox.image.basic.size.x", ffParamaters.m_ImageRegion.GetSize(0)); parameters.put("fiberfox.image.basic.size.y", ffParamaters.m_ImageRegion.GetSize(1)); parameters.put("fiberfox.image.basic.size.z", ffParamaters.m_ImageRegion.GetSize(2)); parameters.put("fiberfox.image.basic.spacing.x", ffParamaters.m_ImageSpacing[0]); parameters.put("fiberfox.image.basic.spacing.y", ffParamaters.m_ImageSpacing[1]); parameters.put("fiberfox.image.basic.spacing.z", ffParamaters.m_ImageSpacing[2]); parameters.put("fiberfox.image.basic.numgradients", ffParamaters.GetNumWeightedVolumes()); parameters.put("fiberfox.image.basic.bvalue", ffParamaters.m_Bvalue); parameters.put("fiberfox.image.showadvanced", m_Controls->m_AdvancedOptionsBox_2->isChecked()); parameters.put("fiberfox.image.signalScale", ffParamaters.m_SignalScale); parameters.put("fiberfox.image.tEcho", ffParamaters.m_tEcho); parameters.put("fiberfox.image.tLine", m_Controls->m_LineReadoutTimeBox->value()); parameters.put("fiberfox.image.tInhom", ffParamaters.m_tInhom); parameters.put("fiberfox.image.axonRadius", ffParamaters.m_AxonRadius); parameters.put("fiberfox.image.doSimulateRelaxation", ffParamaters.m_DoSimulateRelaxation); parameters.put("fiberfox.image.doDisablePartialVolume", ffParamaters.m_DoDisablePartialVolume); parameters.put("fiberfox.image.outputvolumefractions", m_Controls->m_VolumeFractionsBox->isChecked()); parameters.put("fiberfox.image.artifacts.addnoise", m_Controls->m_AddNoise->isChecked()); parameters.put("fiberfox.image.artifacts.noisedistribution", m_Controls->m_NoiseDistributionBox->currentIndex()); parameters.put("fiberfox.image.artifacts.noisevariance", m_Controls->m_NoiseLevel->value()); parameters.put("fiberfox.image.artifacts.addghost", m_Controls->m_AddGhosts->isChecked()); parameters.put("fiberfox.image.artifacts.kspaceLineOffset", m_Controls->m_kOffsetBox->value()); parameters.put("fiberfox.image.artifacts.distortions", m_Controls->m_AddDistortions->isChecked()); parameters.put("fiberfox.image.artifacts.addeddy", m_Controls->m_AddEddy->isChecked()); parameters.put("fiberfox.image.artifacts.eddyStrength", m_Controls->m_EddyGradientStrength->value()); parameters.put("fiberfox.image.artifacts.addringing", m_Controls->m_AddGibbsRinging->isChecked()); parameters.put("fiberfox.image.artifacts.addspikes", m_Controls->m_AddSpikes->isChecked()); parameters.put("fiberfox.image.artifacts.spikesnum", m_Controls->m_SpikeNumBox->value()); parameters.put("fiberfox.image.artifacts.spikesscale", m_Controls->m_SpikeScaleBox->value()); parameters.put("fiberfox.image.artifacts.addaliasing", m_Controls->m_AddAliasing->isChecked()); parameters.put("fiberfox.image.artifacts.aliasingfactor", m_Controls->m_WrapBox->value()); parameters.put("fiberfox.image.artifacts.doAddMotion", m_Controls->m_AddMotion->isChecked()); parameters.put("fiberfox.image.artifacts.randomMotion", m_Controls->m_RandomMotion->isChecked()); parameters.put("fiberfox.image.artifacts.translation0", m_Controls->m_MaxTranslationBoxX->value()); parameters.put("fiberfox.image.artifacts.translation1", m_Controls->m_MaxTranslationBoxY->value()); parameters.put("fiberfox.image.artifacts.translation2", m_Controls->m_MaxTranslationBoxZ->value()); parameters.put("fiberfox.image.artifacts.rotation0", m_Controls->m_MaxRotationBoxX->value()); parameters.put("fiberfox.image.artifacts.rotation1", m_Controls->m_MaxRotationBoxY->value()); parameters.put("fiberfox.image.artifacts.rotation2", m_Controls->m_MaxRotationBoxZ->value()); parameters.put("fiberfox.image.compartment1.index", m_Controls->m_Compartment1Box->currentIndex()); parameters.put("fiberfox.image.compartment2.index", m_Controls->m_Compartment2Box->currentIndex()); parameters.put("fiberfox.image.compartment3.index", m_Controls->m_Compartment3Box->currentIndex()); parameters.put("fiberfox.image.compartment4.index", m_Controls->m_Compartment4Box->currentIndex()); parameters.put("fiberfox.image.compartment1.stick.d", m_Controls->m_StickWidget1->GetD()); parameters.put("fiberfox.image.compartment1.stick.t2", m_Controls->m_StickWidget1->GetT2()); parameters.put("fiberfox.image.compartment1.zeppelin.d1", m_Controls->m_ZeppelinWidget1->GetD1()); parameters.put("fiberfox.image.compartment1.zeppelin.d2", m_Controls->m_ZeppelinWidget1->GetD2()); parameters.put("fiberfox.image.compartment1.zeppelin.t2", m_Controls->m_ZeppelinWidget1->GetT2()); parameters.put("fiberfox.image.compartment1.tensor.d1", m_Controls->m_TensorWidget1->GetD1()); parameters.put("fiberfox.image.compartment1.tensor.d2", m_Controls->m_TensorWidget1->GetD2()); parameters.put("fiberfox.image.compartment1.tensor.d3", m_Controls->m_TensorWidget1->GetD3()); parameters.put("fiberfox.image.compartment1.tensor.t2", m_Controls->m_TensorWidget1->GetT2()); parameters.put("fiberfox.image.compartment1.prototype.minFA", m_Controls->m_PrototypeWidget1->GetMinFa()); parameters.put("fiberfox.image.compartment1.prototype.maxFA", m_Controls->m_PrototypeWidget1->GetMaxFa()); parameters.put("fiberfox.image.compartment1.prototype.minADC", m_Controls->m_PrototypeWidget1->GetMinAdc()); parameters.put("fiberfox.image.compartment1.prototype.maxADC", m_Controls->m_PrototypeWidget1->GetMaxAdc()); parameters.put("fiberfox.image.compartment1.prototype.numSamples", m_Controls->m_PrototypeWidget1->GetNumberOfSamples()); parameters.put("fiberfox.image.compartment2.stick.d", m_Controls->m_StickWidget2->GetD()); parameters.put("fiberfox.image.compartment2.stick.t2", m_Controls->m_StickWidget2->GetT2()); parameters.put("fiberfox.image.compartment2.zeppelin.d1", m_Controls->m_ZeppelinWidget2->GetD1()); parameters.put("fiberfox.image.compartment2.zeppelin.d2", m_Controls->m_ZeppelinWidget2->GetD2()); parameters.put("fiberfox.image.compartment2.zeppelin.t2", m_Controls->m_ZeppelinWidget2->GetT2()); parameters.put("fiberfox.image.compartment2.tensor.d1", m_Controls->m_TensorWidget2->GetD1()); parameters.put("fiberfox.image.compartment2.tensor.d2", m_Controls->m_TensorWidget2->GetD2()); parameters.put("fiberfox.image.compartment2.tensor.d3", m_Controls->m_TensorWidget2->GetD3()); parameters.put("fiberfox.image.compartment2.tensor.t2", m_Controls->m_TensorWidget2->GetT2()); parameters.put("fiberfox.image.compartment3.ball.d", m_Controls->m_BallWidget1->GetD()); parameters.put("fiberfox.image.compartment3.ball.t2", m_Controls->m_BallWidget1->GetT2()); parameters.put("fiberfox.image.compartment3.astrosticks.d", m_Controls->m_AstrosticksWidget1->GetD()); parameters.put("fiberfox.image.compartment3.astrosticks.t2", m_Controls->m_AstrosticksWidget1->GetT2()); parameters.put("fiberfox.image.compartment3.astrosticks.randomize", m_Controls->m_AstrosticksWidget1->GetRandomizeSticks()); parameters.put("fiberfox.image.compartment3.dot.t2", m_Controls->m_DotWidget1->GetT2()); parameters.put("fiberfox.image.compartment3.prototype.minFA", m_Controls->m_PrototypeWidget3->GetMinFa()); parameters.put("fiberfox.image.compartment3.prototype.maxFA", m_Controls->m_PrototypeWidget3->GetMaxFa()); parameters.put("fiberfox.image.compartment3.prototype.minADC", m_Controls->m_PrototypeWidget3->GetMinAdc()); parameters.put("fiberfox.image.compartment3.prototype.maxADC", m_Controls->m_PrototypeWidget3->GetMaxAdc()); parameters.put("fiberfox.image.compartment3.prototype.numSamples", m_Controls->m_PrototypeWidget3->GetNumberOfSamples()); parameters.put("fiberfox.image.compartment4.ball.d", m_Controls->m_BallWidget2->GetD()); parameters.put("fiberfox.image.compartment4.ball.t2", m_Controls->m_BallWidget2->GetT2()); parameters.put("fiberfox.image.compartment4.astrosticks.d", m_Controls->m_AstrosticksWidget2->GetD()); parameters.put("fiberfox.image.compartment4.astrosticks.t2", m_Controls->m_AstrosticksWidget2->GetT2()); parameters.put("fiberfox.image.compartment4.astrosticks.randomize", m_Controls->m_AstrosticksWidget2->GetRandomizeSticks()); parameters.put("fiberfox.image.compartment4.dot.t2", m_Controls->m_DotWidget2->GetT2()); parameters.put("fiberfox.image.compartment4.prototype.minFA", m_Controls->m_PrototypeWidget4->GetMinFa()); parameters.put("fiberfox.image.compartment4.prototype.maxFA", m_Controls->m_PrototypeWidget4->GetMaxFa()); parameters.put("fiberfox.image.compartment4.prototype.minADC", m_Controls->m_PrototypeWidget4->GetMinAdc()); parameters.put("fiberfox.image.compartment4.prototype.maxADC", m_Controls->m_PrototypeWidget4->GetMaxAdc()); parameters.put("fiberfox.image.compartment4.prototype.numSamples", m_Controls->m_PrototypeWidget4->GetNumberOfSamples()); boost::property_tree::xml_parser::write_xml(filename.toStdString(), parameters); } void QmitkFiberfoxView::LoadParameters() { QString filename = QFileDialog::getOpenFileName(0, tr("Load Parameters"), QString(itksys::SystemTools::GetFilenamePath(m_ParameterFile.toStdString()).c_str()), tr("Fiberfox Parameters (*.ffp)") ); if(filename.isEmpty() || filename.isNull()) return; m_ParameterFile = filename; boost::property_tree::ptree parameters; boost::property_tree::xml_parser::read_xml(filename.toStdString(), parameters); BOOST_FOREACH( boost::property_tree::ptree::value_type const& v1, parameters.get_child("fiberfox") ) { if( v1.first == "fibers" ) { m_Controls->m_RealTimeFibers->setChecked(v1.second.get("realtime")); m_Controls->m_AdvancedOptionsBox->setChecked(v1.second.get("showadvanced")); m_Controls->m_DistributionBox->setCurrentIndex(v1.second.get("distribution")); m_Controls->m_VarianceBox->setValue(v1.second.get("variance")); m_Controls->m_FiberDensityBox->setValue(v1.second.get("density")); m_Controls->m_IncludeFiducials->setChecked(v1.second.get("includeFiducials")); m_Controls->m_ConstantRadiusBox->setChecked(v1.second.get("constantradius")); BOOST_FOREACH( boost::property_tree::ptree::value_type const& v2, v1.second ) { if( v2.first == "spline" ) { m_Controls->m_FiberSamplingBox->setValue(v2.second.get("sampling")); m_Controls->m_TensionBox->setValue(v2.second.get("tension")); m_Controls->m_ContinuityBox->setValue(v2.second.get("continuity")); m_Controls->m_BiasBox->setValue(v2.second.get("bias")); } if( v2.first == "rotation" ) { m_Controls->m_XrotBox->setValue(v2.second.get("x")); m_Controls->m_YrotBox->setValue(v2.second.get("y")); m_Controls->m_ZrotBox->setValue(v2.second.get("z")); } if( v2.first == "translation" ) { m_Controls->m_XtransBox->setValue(v2.second.get("x")); m_Controls->m_YtransBox->setValue(v2.second.get("y")); m_Controls->m_ZtransBox->setValue(v2.second.get("z")); } if( v2.first == "scale" ) { m_Controls->m_XscaleBox->setValue(v2.second.get("x")); m_Controls->m_YscaleBox->setValue(v2.second.get("y")); m_Controls->m_ZscaleBox->setValue(v2.second.get("z")); } } } if( v1.first == "image" ) { m_Controls->m_SizeX->setValue(v1.second.get("basic.size.x")); m_Controls->m_SizeY->setValue(v1.second.get("basic.size.y")); m_Controls->m_SizeZ->setValue(v1.second.get("basic.size.z")); m_Controls->m_SpacingX->setValue(v1.second.get("basic.spacing.x")); m_Controls->m_SpacingY->setValue(v1.second.get("basic.spacing.y")); m_Controls->m_SpacingZ->setValue(v1.second.get("basic.spacing.z")); m_Controls->m_NumGradientsBox->setValue(v1.second.get("basic.numgradients")); m_Controls->m_BvalueBox->setValue(v1.second.get("basic.bvalue")); m_Controls->m_AdvancedOptionsBox_2->setChecked(v1.second.get("showadvanced")); m_Controls->m_SignalScaleBox->setValue(v1.second.get("signalScale")); m_Controls->m_TEbox->setValue(v1.second.get("tEcho")); m_Controls->m_LineReadoutTimeBox->setValue(v1.second.get("tLine")); m_Controls->m_T2starBox->setValue(v1.second.get("tInhom")); m_Controls->m_FiberRadius->setValue(v1.second.get("axonRadius")); m_Controls->m_RelaxationBox->setChecked(v1.second.get("doSimulateRelaxation")); m_Controls->m_EnforcePureFiberVoxelsBox->setChecked(v1.second.get("doDisablePartialVolume")); m_Controls->m_VolumeFractionsBox->setChecked(v1.second.get("outputvolumefractions")); m_Controls->m_AddNoise->setChecked(v1.second.get("artifacts.addnoise")); m_Controls->m_NoiseDistributionBox->setCurrentIndex(v1.second.get("artifacts.noisedistribution")); m_Controls->m_NoiseLevel->setValue(v1.second.get("artifacts.noisevariance")); m_Controls->m_AddGhosts->setChecked(v1.second.get("artifacts.addghost")); m_Controls->m_kOffsetBox->setValue(v1.second.get("artifacts.kspaceLineOffset")); m_Controls->m_AddAliasing->setChecked(v1.second.get("artifacts.addaliasing")); m_Controls->m_WrapBox->setValue(v1.second.get("artifacts.aliasingfactor")); m_Controls->m_AddDistortions->setChecked(v1.second.get("artifacts.distortions")); m_Controls->m_AddSpikes->setChecked(v1.second.get("artifacts.addspikes")); m_Controls->m_SpikeNumBox->setValue(v1.second.get("artifacts.spikesnum")); m_Controls->m_SpikeScaleBox->setValue(v1.second.get("artifacts.spikesscale")); m_Controls->m_AddEddy->setChecked(v1.second.get("artifacts.addeddy")); m_Controls->m_EddyGradientStrength->setValue(v1.second.get("artifacts.eddyStrength")); m_Controls->m_AddGibbsRinging->setChecked(v1.second.get("artifacts.addringing")); m_Controls->m_AddMotion->setChecked(v1.second.get("artifacts.doAddMotion")); m_Controls->m_RandomMotion->setChecked(v1.second.get("artifacts.randomMotion")); m_Controls->m_MaxTranslationBoxX->setValue(v1.second.get("artifacts.translation0")); m_Controls->m_MaxTranslationBoxY->setValue(v1.second.get("artifacts.translation1")); m_Controls->m_MaxTranslationBoxZ->setValue(v1.second.get("artifacts.translation2")); m_Controls->m_MaxRotationBoxX->setValue(v1.second.get("artifacts.rotation0")); m_Controls->m_MaxRotationBoxY->setValue(v1.second.get("artifacts.rotation1")); m_Controls->m_MaxRotationBoxZ->setValue(v1.second.get("artifacts.rotation2")); m_Controls->m_Compartment1Box->setCurrentIndex(v1.second.get("compartment1.index")); m_Controls->m_Compartment2Box->setCurrentIndex(v1.second.get("compartment2.index")); m_Controls->m_Compartment3Box->setCurrentIndex(v1.second.get("compartment3.index")); m_Controls->m_Compartment4Box->setCurrentIndex(v1.second.get("compartment4.index")); m_Controls->m_StickWidget1->SetD(v1.second.get("compartment1.stick.d")); m_Controls->m_StickWidget1->SetT2(v1.second.get("compartment1.stick.t2")); m_Controls->m_ZeppelinWidget1->SetD1(v1.second.get("compartment1.zeppelin.d1")); m_Controls->m_ZeppelinWidget1->SetD2(v1.second.get("compartment1.zeppelin.d2")); m_Controls->m_ZeppelinWidget1->SetT2(v1.second.get("compartment1.zeppelin.t2")); m_Controls->m_TensorWidget1->SetD1(v1.second.get("compartment1.tensor.d1")); m_Controls->m_TensorWidget1->SetD2(v1.second.get("compartment1.tensor.d2")); m_Controls->m_TensorWidget1->SetD3(v1.second.get("compartment1.tensor.d3")); m_Controls->m_TensorWidget1->SetT2(v1.second.get("compartment1.tensor.t2")); m_Controls->m_PrototypeWidget1->SetMinFa(v1.second.get("compartment1.prototype.minFA")); m_Controls->m_PrototypeWidget1->SetMaxFa(v1.second.get("compartment1.prototype.maxFA")); m_Controls->m_PrototypeWidget1->SetMinAdc(v1.second.get("compartment1.prototype.minADC")); m_Controls->m_PrototypeWidget1->SetMaxAdc(v1.second.get("compartment1.prototype.maxADC")); m_Controls->m_PrototypeWidget1->SetNumberOfSamples(v1.second.get("compartment1.prototype.numSamples")); m_Controls->m_StickWidget2->SetD(v1.second.get("compartment2.stick.d")); m_Controls->m_StickWidget2->SetT2(v1.second.get("compartment2.stick.t2")); m_Controls->m_ZeppelinWidget2->SetD1(v1.second.get("compartment2.zeppelin.d1")); m_Controls->m_ZeppelinWidget2->SetD2(v1.second.get("compartment2.zeppelin.d2")); m_Controls->m_ZeppelinWidget2->SetT2(v1.second.get("compartment2.zeppelin.t2")); m_Controls->m_TensorWidget2->SetD1(v1.second.get("compartment2.tensor.d1")); m_Controls->m_TensorWidget2->SetD2(v1.second.get("compartment2.tensor.d2")); m_Controls->m_TensorWidget2->SetD3(v1.second.get("compartment2.tensor.d3")); m_Controls->m_TensorWidget2->SetT2(v1.second.get("compartment2.tensor.t2")); m_Controls->m_BallWidget1->SetD(v1.second.get("compartment3.ball.d")); m_Controls->m_BallWidget1->SetT2(v1.second.get("compartment3.ball.t2")); m_Controls->m_AstrosticksWidget1->SetD(v1.second.get("compartment3.astrosticks.d")); m_Controls->m_AstrosticksWidget1->SetT2(v1.second.get("compartment3.astrosticks.t2")); m_Controls->m_AstrosticksWidget1->SetRandomizeSticks(v1.second.get("compartment3.astrosticks.randomize")); m_Controls->m_DotWidget1->SetT2(v1.second.get("compartment3.dot.t2")); m_Controls->m_PrototypeWidget3->SetMinFa(v1.second.get("compartment3.prototype.minFA")); m_Controls->m_PrototypeWidget3->SetMaxFa(v1.second.get("compartment3.prototype.maxFA")); m_Controls->m_PrototypeWidget3->SetMinAdc(v1.second.get("compartment3.prototype.minADC")); m_Controls->m_PrototypeWidget3->SetMaxAdc(v1.second.get("compartment3.prototype.maxADC")); m_Controls->m_PrototypeWidget3->SetNumberOfSamples(v1.second.get("compartment3.prototype.numSamples")); m_Controls->m_BallWidget2->SetD(v1.second.get("compartment4.ball.d")); m_Controls->m_BallWidget2->SetT2(v1.second.get("compartment4.ball.t2")); m_Controls->m_AstrosticksWidget2->SetD(v1.second.get("compartment4.astrosticks.d")); m_Controls->m_AstrosticksWidget2->SetT2(v1.second.get("compartment4.astrosticks.t2")); m_Controls->m_AstrosticksWidget2->SetRandomizeSticks(v1.second.get("compartment4.astrosticks.randomize")); m_Controls->m_DotWidget2->SetT2(v1.second.get("compartment4.dot.t2")); m_Controls->m_PrototypeWidget4->SetMinFa(v1.second.get("compartment4.prototype.minFA")); m_Controls->m_PrototypeWidget4->SetMaxFa(v1.second.get("compartment4.prototype.maxFA")); m_Controls->m_PrototypeWidget4->SetMinAdc(v1.second.get("compartment4.prototype.minADC")); m_Controls->m_PrototypeWidget4->SetMaxAdc(v1.second.get("compartment4.prototype.maxADC")); m_Controls->m_PrototypeWidget4->SetNumberOfSamples(v1.second.get("compartment4.prototype.numSamples")); } } } void QmitkFiberfoxView::ShowAdvancedOptions(int state) { if (state) { m_Controls->m_AdvancedFiberOptionsFrame->setVisible(true); m_Controls->m_AdvancedSignalOptionsFrame->setVisible(true); m_Controls->m_AdvancedOptionsBox->setChecked(true); m_Controls->m_AdvancedOptionsBox_2->setChecked(true); } else { m_Controls->m_AdvancedFiberOptionsFrame->setVisible(false); m_Controls->m_AdvancedSignalOptionsFrame->setVisible(false); m_Controls->m_AdvancedOptionsBox->setChecked(false); m_Controls->m_AdvancedOptionsBox_2->setChecked(false); } } void QmitkFiberfoxView::Comp1ModelFrameVisibility(int index) { m_Controls->m_StickWidget1->setVisible(false); m_Controls->m_ZeppelinWidget1->setVisible(false); m_Controls->m_TensorWidget1->setVisible(false); m_Controls->m_PrototypeWidget1->setVisible(false); switch (index) { case 0: m_Controls->m_StickWidget1->setVisible(true); break; case 1: m_Controls->m_ZeppelinWidget1->setVisible(true); break; case 2: m_Controls->m_TensorWidget1->setVisible(true); break; case 3: m_Controls->m_PrototypeWidget1->setVisible(true); break; } } void QmitkFiberfoxView::Comp2ModelFrameVisibility(int index) { m_Controls->m_StickWidget2->setVisible(false); m_Controls->m_ZeppelinWidget2->setVisible(false); m_Controls->m_TensorWidget2->setVisible(false); switch (index) { case 0: break; case 1: m_Controls->m_StickWidget2->setVisible(true); break; case 2: m_Controls->m_ZeppelinWidget2->setVisible(true); break; case 3: m_Controls->m_TensorWidget2->setVisible(true); break; } } void QmitkFiberfoxView::Comp3ModelFrameVisibility(int index) { m_Controls->m_BallWidget1->setVisible(false); m_Controls->m_AstrosticksWidget1->setVisible(false); m_Controls->m_DotWidget1->setVisible(false); m_Controls->m_PrototypeWidget3->setVisible(false); switch (index) { case 0: m_Controls->m_BallWidget1->setVisible(true); break; case 1: m_Controls->m_AstrosticksWidget1->setVisible(true); break; case 2: m_Controls->m_DotWidget1->setVisible(true); break; case 3: m_Controls->m_PrototypeWidget3->setVisible(true); break; } } void QmitkFiberfoxView::Comp4ModelFrameVisibility(int index) { m_Controls->m_BallWidget2->setVisible(false); m_Controls->m_AstrosticksWidget2->setVisible(false); m_Controls->m_DotWidget2->setVisible(false); m_Controls->m_PrototypeWidget4->setVisible(false); m_Controls->m_Comp4FractionFrame->setVisible(false); switch (index) { case 0: break; case 1: m_Controls->m_BallWidget2->setVisible(true); m_Controls->m_Comp4FractionFrame->setVisible(true); break; case 2: m_Controls->m_AstrosticksWidget2->setVisible(true); m_Controls->m_Comp4FractionFrame->setVisible(true); break; case 3: m_Controls->m_DotWidget2->setVisible(true); m_Controls->m_Comp4FractionFrame->setVisible(true); break; case 4: m_Controls->m_PrototypeWidget4->setVisible(true); m_Controls->m_Comp4FractionFrame->setVisible(true); break; } } void QmitkFiberfoxView::OnConstantRadius(int value) { if (value>0 && m_Controls->m_RealTimeFibers->isChecked()) GenerateFibers(); } void QmitkFiberfoxView::OnAddMotion(int value) { if (value>0) m_Controls->m_MotionArtifactFrame->setVisible(true); else m_Controls->m_MotionArtifactFrame->setVisible(false); } void QmitkFiberfoxView::OnAddAliasing(int value) { if (value>0) m_Controls->m_AliasingFrame->setVisible(true); else m_Controls->m_AliasingFrame->setVisible(false); } void QmitkFiberfoxView::OnAddSpikes(int value) { if (value>0) m_Controls->m_SpikeFrame->setVisible(true); else m_Controls->m_SpikeFrame->setVisible(false); } void QmitkFiberfoxView::OnAddEddy(int value) { if (value>0) m_Controls->m_EddyFrame->setVisible(true); else m_Controls->m_EddyFrame->setVisible(false); } void QmitkFiberfoxView::OnAddDistortions(int value) { if (value>0) m_Controls->m_DistortionsFrame->setVisible(true); else m_Controls->m_DistortionsFrame->setVisible(false); } void QmitkFiberfoxView::OnAddGhosts(int value) { if (value>0) m_Controls->m_GhostFrame->setVisible(true); else m_Controls->m_GhostFrame->setVisible(false); } void QmitkFiberfoxView::OnAddNoise(int value) { if (value>0) m_Controls->m_NoiseFrame->setVisible(true); else m_Controls->m_NoiseFrame->setVisible(false); } void QmitkFiberfoxView::OnDistributionChanged(int value) { if (value==1) m_Controls->m_VarianceBox->setVisible(true); else m_Controls->m_VarianceBox->setVisible(false); if (m_Controls->m_RealTimeFibers->isChecked()) GenerateFibers(); } void QmitkFiberfoxView::OnVarianceChanged(double) { if (m_Controls->m_RealTimeFibers->isChecked()) GenerateFibers(); } void QmitkFiberfoxView::OnFiberDensityChanged(int) { if (m_Controls->m_RealTimeFibers->isChecked()) GenerateFibers(); } void QmitkFiberfoxView::OnFiberSamplingChanged(double) { if (m_Controls->m_RealTimeFibers->isChecked()) GenerateFibers(); } void QmitkFiberfoxView::OnTensionChanged(double) { if (m_Controls->m_RealTimeFibers->isChecked()) GenerateFibers(); } void QmitkFiberfoxView::OnContinuityChanged(double) { if (m_Controls->m_RealTimeFibers->isChecked()) GenerateFibers(); } void QmitkFiberfoxView::OnBiasChanged(double) { if (m_Controls->m_RealTimeFibers->isChecked()) GenerateFibers(); } void QmitkFiberfoxView::AlignOnGrid() { for (unsigned int i=0; i(m_SelectedFiducials.at(i)->GetData()); mitk::Point3D wc0 = pe->GetWorldControlPoint(0); mitk::DataStorage::SetOfObjects::ConstPointer parentFibs = GetDataStorage()->GetSources(m_SelectedFiducials.at(i)); for( mitk::DataStorage::SetOfObjects::const_iterator it = parentFibs->begin(); it != parentFibs->end(); ++it ) { mitk::DataNode::Pointer pFibNode = *it; if ( pFibNode.IsNotNull() && dynamic_cast(pFibNode->GetData()) ) { mitk::DataStorage::SetOfObjects::ConstPointer parentImgs = GetDataStorage()->GetSources(pFibNode); for( mitk::DataStorage::SetOfObjects::const_iterator it2 = parentImgs->begin(); it2 != parentImgs->end(); ++it2 ) { mitk::DataNode::Pointer pImgNode = *it2; if ( pImgNode.IsNotNull() && dynamic_cast(pImgNode->GetData()) ) { mitk::Image::Pointer img = dynamic_cast(pImgNode->GetData()); mitk::BaseGeometry::Pointer geom = img->GetGeometry(); itk::Index<3> idx; geom->WorldToIndex(wc0, idx); mitk::Point3D cIdx; cIdx[0]=idx[0]; cIdx[1]=idx[1]; cIdx[2]=idx[2]; mitk::Point3D world; geom->IndexToWorld(cIdx,world); mitk::Vector3D trans = world - wc0; pe->GetGeometry()->Translate(trans); break; } } break; } } } for(unsigned int i=0; iGetSources(fibNode); for( mitk::DataStorage::SetOfObjects::const_iterator it = sources->begin(); it != sources->end(); ++it ) { mitk::DataNode::Pointer imgNode = *it; if ( imgNode.IsNotNull() && dynamic_cast(imgNode->GetData()) ) { mitk::DataStorage::SetOfObjects::ConstPointer derivations = GetDataStorage()->GetDerivations(fibNode); for( mitk::DataStorage::SetOfObjects::const_iterator it2 = derivations->begin(); it2 != derivations->end(); ++it2 ) { mitk::DataNode::Pointer fiducialNode = *it2; if ( fiducialNode.IsNotNull() && dynamic_cast(fiducialNode->GetData()) ) { mitk::PlanarEllipse::Pointer pe = dynamic_cast(fiducialNode->GetData()); mitk::Point3D wc0 = pe->GetWorldControlPoint(0); mitk::Image::Pointer img = dynamic_cast(imgNode->GetData()); mitk::BaseGeometry::Pointer geom = img->GetGeometry(); itk::Index<3> idx; geom->WorldToIndex(wc0, idx); mitk::Point3D cIdx; cIdx[0]=idx[0]; cIdx[1]=idx[1]; cIdx[2]=idx[2]; mitk::Point3D world; geom->IndexToWorld(cIdx,world); mitk::Vector3D trans = world - wc0; pe->GetGeometry()->Translate(trans); } } break; } } } for(unsigned int i=0; i(m_SelectedImages.at(i)->GetData()); mitk::DataStorage::SetOfObjects::ConstPointer derivations = GetDataStorage()->GetDerivations(m_SelectedImages.at(i)); for( mitk::DataStorage::SetOfObjects::const_iterator it = derivations->begin(); it != derivations->end(); ++it ) { mitk::DataNode::Pointer fibNode = *it; if ( fibNode.IsNotNull() && dynamic_cast(fibNode->GetData()) ) { mitk::DataStorage::SetOfObjects::ConstPointer derivations2 = GetDataStorage()->GetDerivations(fibNode); for( mitk::DataStorage::SetOfObjects::const_iterator it2 = derivations2->begin(); it2 != derivations2->end(); ++it2 ) { mitk::DataNode::Pointer fiducialNode = *it2; if ( fiducialNode.IsNotNull() && dynamic_cast(fiducialNode->GetData()) ) { mitk::PlanarEllipse::Pointer pe = dynamic_cast(fiducialNode->GetData()); mitk::Point3D wc0 = pe->GetWorldControlPoint(0); mitk::BaseGeometry::Pointer geom = img->GetGeometry(); itk::Index<3> idx; geom->WorldToIndex(wc0, idx); mitk::Point3D cIdx; cIdx[0]=idx[0]; cIdx[1]=idx[1]; cIdx[2]=idx[2]; mitk::Point3D world; geom->IndexToWorld(cIdx,world); mitk::Vector3D trans = world - wc0; pe->GetGeometry()->Translate(trans); } } } } } mitk::RenderingManager::GetInstance()->RequestUpdateAll(); if (m_Controls->m_RealTimeFibers->isChecked()) GenerateFibers(); } void QmitkFiberfoxView::OnFlipButton() { if (m_SelectedFiducial.IsNull()) return; std::map::iterator it = m_DataNodeToPlanarFigureData.find(m_SelectedFiducial.GetPointer()); if( it != m_DataNodeToPlanarFigureData.end() ) { QmitkPlanarFigureData& data = it->second; data.m_Flipped += 1; data.m_Flipped %= 2; } if (m_Controls->m_RealTimeFibers->isChecked()) GenerateFibers(); } QmitkFiberfoxView::GradientListType QmitkFiberfoxView::GenerateHalfShell(int NPoints) { NPoints *= 2; GradientListType pointshell; int numB0 = NPoints/20; if (numB0==0) numB0=1; GradientType g; g.Fill(0.0); for (int i=0; i theta; theta.set_size(NPoints); vnl_vector phi; phi.set_size(NPoints); double C = sqrt(4*M_PI); phi(0) = 0.0; phi(NPoints-1) = 0.0; for(int i=0; i0 && i std::vector > QmitkFiberfoxView::MakeGradientList() { std::vector > retval; vnl_matrix_fixed* U = itk::PointShell >::DistributePointShell(); // Add 0 vector for B0 int numB0 = ndirs/10; if (numB0==0) numB0=1; itk::Vector v; v.Fill(0.0); for (int i=0; i v; v[0] = U->get(0,i); v[1] = U->get(1,i); v[2] = U->get(2,i); retval.push_back(v); } return retval; } void QmitkFiberfoxView::OnAddBundle() { if (m_SelectedImage.IsNull()) return; mitk::DataStorage::SetOfObjects::ConstPointer children = GetDataStorage()->GetDerivations(m_SelectedImage); mitk::FiberBundleX::Pointer bundle = mitk::FiberBundleX::New(); mitk::DataNode::Pointer node = mitk::DataNode::New(); node->SetData( bundle ); QString name = QString("Bundle_%1").arg(children->size()); node->SetName(name.toStdString()); m_SelectedBundles.push_back(node); UpdateGui(); GetDataStorage()->Add(node, m_SelectedImage); } void QmitkFiberfoxView::OnDrawROI() { if (m_SelectedBundles.empty()) OnAddBundle(); if (m_SelectedBundles.empty()) return; mitk::DataStorage::SetOfObjects::ConstPointer children = GetDataStorage()->GetDerivations(m_SelectedBundles.at(0)); mitk::PlanarEllipse::Pointer figure = mitk::PlanarEllipse::New(); mitk::DataNode::Pointer node = mitk::DataNode::New(); node->SetData( figure ); node->SetBoolProperty("planarfigure.3drendering", true); QList nodes = this->GetDataManagerSelection(); for( int i=0; iSetSelected(false); m_SelectedFiducial = node; QString name = QString("Fiducial_%1").arg(children->size()); node->SetName(name.toStdString()); node->SetSelected(true); this->DisableCrosshairNavigation(); mitk::PlanarFigureInteractor::Pointer figureInteractor = dynamic_cast(node->GetDataInteractor().GetPointer()); if(figureInteractor.IsNull()) { figureInteractor = mitk::PlanarFigureInteractor::New(); us::Module* planarFigureModule = us::ModuleRegistry::GetModule( "MitkPlanarFigure" ); figureInteractor->LoadStateMachine("PlanarFigureInteraction.xml", planarFigureModule ); figureInteractor->SetEventConfig( "PlanarFigureConfig.xml", planarFigureModule ); figureInteractor->SetDataNode( node ); } UpdateGui(); GetDataStorage()->Add(node, m_SelectedBundles.at(0)); } bool CompareLayer(mitk::DataNode::Pointer i,mitk::DataNode::Pointer j) { int li = -1; i->GetPropertyValue("layer", li); int lj = -1; j->GetPropertyValue("layer", lj); return liGetSources(m_SelectedFiducial); for( mitk::DataStorage::SetOfObjects::const_iterator it = parents->begin(); it != parents->end(); ++it ) if(dynamic_cast((*it)->GetData())) m_SelectedBundles.push_back(*it); if (m_SelectedBundles.empty()) return; } vector< vector< mitk::PlanarEllipse::Pointer > > fiducials; vector< vector< unsigned int > > fliplist; for (unsigned int i=0; iGetDerivations(m_SelectedBundles.at(i)); std::vector< mitk::DataNode::Pointer > childVector; for( mitk::DataStorage::SetOfObjects::const_iterator it = children->begin(); it != children->end(); ++it ) childVector.push_back(*it); sort(childVector.begin(), childVector.end(), CompareLayer); vector< mitk::PlanarEllipse::Pointer > fib; vector< unsigned int > flip; float radius = 1; int count = 0; for( std::vector< mitk::DataNode::Pointer >::const_iterator it = childVector.begin(); it != childVector.end(); ++it ) { mitk::DataNode::Pointer node = *it; if ( node.IsNotNull() && dynamic_cast(node->GetData()) ) { mitk::PlanarEllipse* ellipse = dynamic_cast(node->GetData()); if (m_Controls->m_ConstantRadiusBox->isChecked()) { ellipse->SetTreatAsCircle(true); mitk::Point2D c = ellipse->GetControlPoint(0); mitk::Point2D p = ellipse->GetControlPoint(1); mitk::Vector2D v = p-c; if (count==0) { radius = v.GetVnlVector().magnitude(); ellipse->SetControlPoint(1, p); } else { v.Normalize(); v *= radius; ellipse->SetControlPoint(1, c+v); } } fib.push_back(ellipse); std::map::iterator it = m_DataNodeToPlanarFigureData.find(node.GetPointer()); if( it != m_DataNodeToPlanarFigureData.end() ) { QmitkPlanarFigureData& data = it->second; flip.push_back(data.m_Flipped); } else flip.push_back(0); } count++; } if (fib.size()>1) { fiducials.push_back(fib); fliplist.push_back(flip); } else if (fib.size()>0) m_SelectedBundles.at(i)->SetData( mitk::FiberBundleX::New() ); mitk::RenderingManager::GetInstance()->RequestUpdateAll(); } itk::FibersFromPlanarFiguresFilter::Pointer filter = itk::FibersFromPlanarFiguresFilter::New(); filter->SetFiducials(fiducials); filter->SetFlipList(fliplist); switch(m_Controls->m_DistributionBox->currentIndex()){ case 0: filter->SetFiberDistribution(itk::FibersFromPlanarFiguresFilter::DISTRIBUTE_UNIFORM); break; case 1: filter->SetFiberDistribution(itk::FibersFromPlanarFiguresFilter::DISTRIBUTE_GAUSSIAN); filter->SetVariance(m_Controls->m_VarianceBox->value()); break; } filter->SetDensity(m_Controls->m_FiberDensityBox->value()); filter->SetTension(m_Controls->m_TensionBox->value()); filter->SetContinuity(m_Controls->m_ContinuityBox->value()); filter->SetBias(m_Controls->m_BiasBox->value()); filter->SetFiberSampling(m_Controls->m_FiberSamplingBox->value()); filter->Update(); vector< mitk::FiberBundleX::Pointer > fiberBundles = filter->GetFiberBundles(); for (unsigned int i=0; iSetData( fiberBundles.at(i) ); if (fiberBundles.at(i)->GetNumFibers()>50000) m_SelectedBundles.at(i)->SetVisibility(false); } mitk::RenderingManager::GetInstance()->RequestUpdateAll(); } void QmitkFiberfoxView::GenerateImage() { if (m_SelectedBundles.empty() && m_SelectedDWI.IsNull()) { mitk::Image::Pointer image = mitk::ImageGenerator::GenerateGradientImage( m_Controls->m_SizeX->value(), m_Controls->m_SizeY->value(), m_Controls->m_SizeZ->value(), m_Controls->m_SpacingX->value(), m_Controls->m_SpacingY->value(), m_Controls->m_SpacingZ->value()); mitk::DataNode::Pointer node = mitk::DataNode::New(); node->SetData( image ); node->SetName("Dummy"); unsigned int window = m_Controls->m_SizeX->value()*m_Controls->m_SizeY->value()*m_Controls->m_SizeZ->value(); unsigned int level = window/2; mitk::LevelWindow lw; lw.SetLevelWindow(level, window); node->SetProperty( "levelwindow", mitk::LevelWindowProperty::New( lw ) ); GetDataStorage()->Add(node); m_SelectedImage = node; mitk::BaseData::Pointer basedata = node->GetData(); if (basedata.IsNotNull()) { mitk::RenderingManager::GetInstance()->InitializeViews( basedata->GetTimeGeometry(), mitk::RenderingManager::REQUEST_UPDATE_ALL, true ); mitk::RenderingManager::GetInstance()->RequestUpdateAll(); } UpdateGui(); } else if (!m_SelectedBundles.empty()) SimulateImageFromFibers(m_SelectedBundles.at(0)); else if (m_SelectedDWI.IsNotNull()) SimulateForExistingDwi(m_SelectedDWI); } void QmitkFiberfoxView::SimulateForExistingDwi(mitk::DataNode* imageNode) { if (!dynamic_cast*>(imageNode->GetData())) return; FiberfoxParameters parameters = UpdateImageParameters(); if (parameters.m_NoiseModel==NULL && parameters.m_Spikes==0 && parameters.m_FrequencyMap.IsNull() && parameters.m_KspaceLineOffset<=0.000001 && !parameters.m_DoAddGibbsRinging && !(parameters.m_EddyStrength>0) && parameters.m_CroppingFactor>0.999) { QMessageBox::information( NULL, "Simulation cancelled", "No valid artifact enabled! Motion artifacts and relaxation effects can NOT be added to an existing diffusion weighted image."); return; } mitk::DiffusionImage::Pointer diffImg = dynamic_cast*>(imageNode->GetData()); m_ArtifactsToDwiFilter = itk::AddArtifactsToDwiImageFilter< short >::New(); m_ArtifactsToDwiFilter->SetInput(diffImg->GetVectorImage()); parameters.m_ParentNode = imageNode; m_ArtifactsToDwiFilter->SetParameters(parameters); m_Worker.m_FilterType = 1; m_Thread.start(QThread::LowestPriority); } void QmitkFiberfoxView::SimulateImageFromFibers(mitk::DataNode* fiberNode) { mitk::FiberBundleX::Pointer fiberBundle = dynamic_cast(fiberNode->GetData()); if (fiberBundle->GetNumFibers()<=0) return; FiberfoxParameters parameters = UpdateImageParameters(); m_TractsToDwiFilter = itk::TractsToDWIImageFilter< short >::New(); parameters.m_ParentNode = fiberNode; if (m_SelectedDWI.IsNotNull()) { mitk::DiffusionImage::Pointer diffImg = dynamic_cast*>(m_SelectedDWI->GetData()); bool doSampling = false; for (unsigned int i=0; i* >(parameters.m_FiberModelList[i]) ) doSampling = true; for (unsigned int i=0; i* >(parameters.m_NonFiberModelList[i]) ) doSampling = true; // sample prototype signals if ( doSampling ) { const int shOrder = 2; typedef itk::DiffusionTensor3DReconstructionImageFilter< short, short, double > TensorReconstructionImageFilterType; TensorReconstructionImageFilterType::Pointer filter = TensorReconstructionImageFilterType::New(); filter->SetGradientImage( diffImg->GetDirections(), diffImg->GetVectorImage() ); filter->SetBValue(diffImg->GetReferenceBValue()); filter->Update(); itk::Image< itk::DiffusionTensor3D< double >, 3 >::Pointer tensorImage = filter->GetOutput(); const int NumCoeffs = (shOrder*shOrder + shOrder + 2)/2 + shOrder; typedef itk::AnalyticalDiffusionQballReconstructionImageFilter QballFilterType; QballFilterType::Pointer qballfilter = QballFilterType::New(); qballfilter->SetGradientImage( diffImg->GetDirections(), diffImg->GetVectorImage() ); qballfilter->SetBValue(diffImg->GetReferenceBValue()); qballfilter->SetLambda(0.006); qballfilter->SetNormalizationMethod(QballFilterType::QBAR_RAW_SIGNAL); qballfilter->Update(); QballFilterType::CoefficientImageType::Pointer itkFeatureImage = qballfilter->GetCoefficientImage(); itk::AdcImageFilter< short, double >::Pointer adcFilter = itk::AdcImageFilter< short, double >::New(); adcFilter->SetInput(diffImg->GetVectorImage()); adcFilter->SetGradientDirections(diffImg->GetDirections()); adcFilter->SetB_value(diffImg->GetReferenceBValue()); adcFilter->Update(); ItkDoubleImgType::Pointer adcImage = adcFilter->GetOutput(); int b0Index; for (unsigned int i=0; iGetDirectionsWithoutMeasurementFrame()->Size(); i++) if ( diffImg->GetDirectionsWithoutMeasurementFrame()->GetElement(i).magnitude()<0.001 ) { b0Index = i; break; } double max = 0; { itk::ImageRegionIterator< itk::VectorImage< short, 3 > > it(diffImg->GetVectorImage(), diffImg->GetVectorImage()->GetLargestPossibleRegion()); while(!it.IsAtEnd()) { if (parameters.m_MaskImage.IsNotNull() && parameters.m_MaskImage->GetPixel(it.GetIndex())<=0) { ++it; continue; } if (it.Get()[b0Index]>max) max = it.Get()[b0Index]; ++it; } } MITK_INFO << "Sampling signal kernels."; itk::ImageRegionIterator< itk::Image< itk::DiffusionTensor3D< double >, 3 > > it(tensorImage, tensorImage->GetLargestPossibleRegion()); while(!it.IsAtEnd()) { bool skipPixel = false; if (parameters.m_MaskImage.IsNotNull() && parameters.m_MaskImage->GetPixel(it.GetIndex())<=0) { ++it; continue; } for (unsigned int i=0; iGetDirections()->Size(); i++) { if (diffImg->GetVectorImage()->GetPixel(it.GetIndex())[i]!=diffImg->GetVectorImage()->GetPixel(it.GetIndex())[i] || diffImg->GetVectorImage()->GetPixel(it.GetIndex())[i]<=0 || diffImg->GetVectorImage()->GetPixel(it.GetIndex())[i]>diffImg->GetVectorImage()->GetPixel(it.GetIndex())[b0Index]) { skipPixel = true; break; } } if (skipPixel) { ++it; continue; } typedef itk::DiffusionTensor3D TensorType; TensorType::EigenValuesArrayType eigenvalues; TensorType::EigenVectorsMatrixType eigenvectors; TensorType tensor = it.Get(); double FA = tensor.GetFractionalAnisotropy(); double ADC = adcImage->GetPixel(it.GetIndex()); QballFilterType::CoefficientImageType::PixelType itkv = itkFeatureImage->GetPixel(it.GetIndex()); vnl_vector_fixed< double, NumCoeffs > coeffs; for (unsigned int c=0; c* model = dynamic_cast< RawShModel* >(parameters.m_FiberModelList[i]); if ( model && model->GetMaxNumKernels()>model->GetNumberOfKernels() && FA>model->GetFaRange().first && FAGetFaRange().second && ADC>model->GetAdcRange().first && ADCGetAdcRange().second) { if (model->SetShCoefficients( coeffs, (double)diffImg->GetVectorImage()->GetPixel(it.GetIndex())[b0Index]/max )) { tensor.ComputeEigenAnalysis(eigenvalues, eigenvectors); itk::Vector dir; dir[0] = eigenvectors(2, 0); dir[1] = eigenvectors(2, 1); dir[2] = eigenvectors(2, 2); model->m_PrototypeMaxDirection.push_back(dir); MITK_INFO << "WM KERNEL: " << it.GetIndex() << " (" << model->GetNumberOfKernels() << ")"; } } } for (unsigned int i=0; i* model = dynamic_cast< RawShModel* >(parameters.m_NonFiberModelList[i]); if ( model && model->GetMaxNumKernels()>model->GetNumberOfKernels() && FA>model->GetFaRange().first && FAGetFaRange().second && ADC>model->GetAdcRange().first && ADCGetAdcRange().second) { if (model->SetShCoefficients( coeffs, (double)diffImg->GetVectorImage()->GetPixel(it.GetIndex())[b0Index]/max )) MITK_INFO << "CSF/GM KERNEL: " << it.GetIndex() << " (" << model->GetNumberOfKernels() << ")"; } } ++it; } for (unsigned int i=0; i* model = dynamic_cast< RawShModel* >(parameters.m_FiberModelList[i]); if ( model && model->GetNumberOfKernels()<=0 ) { QMessageBox::information( NULL, "Simulation cancelled", "No suitable voxels found for fiber compartment "+QString::number(i)); return; } } for (unsigned int i=0; i* model = dynamic_cast< RawShModel* >(parameters.m_NonFiberModelList[i]); if ( model && model->GetNumberOfKernels()<=0 ) { QMessageBox::information( NULL, "Simulation cancelled", "No suitable voxels found for non-fiber compartment "+QString::number(i)); return; } } } } else if ( m_Controls->m_Compartment1Box->currentIndex()==3 || m_Controls->m_Compartment3Box->currentIndex()==3 || m_Controls->m_Compartment4Box->currentIndex()==4 ) { QMessageBox::information( NULL, "Simulation cancelled", "Prototype signal but no diffusion-weighted image selected to sample signal from."); return; } m_TractsToDwiFilter->SetParameters(parameters); m_TractsToDwiFilter->SetFiberBundle(fiberBundle); m_Worker.m_FilterType = 0; m_Thread.start(QThread::LowestPriority); } void QmitkFiberfoxView::ApplyTransform() { vector< mitk::DataNode::Pointer > selectedBundles; for(unsigned int i=0; iGetDerivations(m_SelectedImages.at(i)); for( mitk::DataStorage::SetOfObjects::const_iterator it = derivations->begin(); it != derivations->end(); ++it ) { mitk::DataNode::Pointer fibNode = *it; if ( fibNode.IsNotNull() && dynamic_cast(fibNode->GetData()) ) selectedBundles.push_back(fibNode); } } if (selectedBundles.empty()) selectedBundles = m_SelectedBundles2; if (!selectedBundles.empty()) { for (std::vector::const_iterator it = selectedBundles.begin(); it!=selectedBundles.end(); ++it) { mitk::FiberBundleX::Pointer fib = dynamic_cast((*it)->GetData()); fib->RotateAroundAxis(m_Controls->m_XrotBox->value(), m_Controls->m_YrotBox->value(), m_Controls->m_ZrotBox->value()); fib->TranslateFibers(m_Controls->m_XtransBox->value(), m_Controls->m_YtransBox->value(), m_Controls->m_ZtransBox->value()); fib->ScaleFibers(m_Controls->m_XscaleBox->value(), m_Controls->m_YscaleBox->value(), m_Controls->m_ZscaleBox->value()); // handle child fiducials if (m_Controls->m_IncludeFiducials->isChecked()) { mitk::DataStorage::SetOfObjects::ConstPointer derivations = GetDataStorage()->GetDerivations(*it); for( mitk::DataStorage::SetOfObjects::const_iterator it2 = derivations->begin(); it2 != derivations->end(); ++it2 ) { mitk::DataNode::Pointer fiducialNode = *it2; if ( fiducialNode.IsNotNull() && dynamic_cast(fiducialNode->GetData()) ) { mitk::PlanarEllipse* pe = dynamic_cast(fiducialNode->GetData()); mitk::BaseGeometry* geom = pe->GetGeometry(); // translate mitk::Vector3D world; world[0] = m_Controls->m_XtransBox->value(); world[1] = m_Controls->m_YtransBox->value(); world[2] = m_Controls->m_ZtransBox->value(); geom->Translate(world); // calculate rotation matrix double x = m_Controls->m_XrotBox->value()*M_PI/180; double y = m_Controls->m_YrotBox->value()*M_PI/180; double z = m_Controls->m_ZrotBox->value()*M_PI/180; itk::Matrix< double, 3, 3 > rotX; rotX.SetIdentity(); rotX[1][1] = cos(x); rotX[2][2] = rotX[1][1]; rotX[1][2] = -sin(x); rotX[2][1] = -rotX[1][2]; itk::Matrix< double, 3, 3 > rotY; rotY.SetIdentity(); rotY[0][0] = cos(y); rotY[2][2] = rotY[0][0]; rotY[0][2] = sin(y); rotY[2][0] = -rotY[0][2]; itk::Matrix< double, 3, 3 > rotZ; rotZ.SetIdentity(); rotZ[0][0] = cos(z); rotZ[1][1] = rotZ[0][0]; rotZ[0][1] = -sin(z); rotZ[1][0] = -rotZ[0][1]; itk::Matrix< double, 3, 3 > rot = rotZ*rotY*rotX; // transform control point coordinate into geometry translation geom->SetOrigin(pe->GetWorldControlPoint(0)); mitk::Point2D cp; cp.Fill(0.0); pe->SetControlPoint(0, cp); // rotate fiducial geom->GetIndexToWorldTransform()->SetMatrix(rot*geom->GetIndexToWorldTransform()->GetMatrix()); // implicit translation mitk::Vector3D trans; trans[0] = geom->GetOrigin()[0]-fib->GetGeometry()->GetCenter()[0]; trans[1] = geom->GetOrigin()[1]-fib->GetGeometry()->GetCenter()[1]; trans[2] = geom->GetOrigin()[2]-fib->GetGeometry()->GetCenter()[2]; mitk::Vector3D newWc = rot*trans; newWc = newWc-trans; geom->Translate(newWc); pe->Modified(); } } } } } else { for (unsigned int i=0; i(m_SelectedFiducials.at(i)->GetData()); mitk::BaseGeometry* geom = pe->GetGeometry(); // translate mitk::Vector3D world; world[0] = m_Controls->m_XtransBox->value(); world[1] = m_Controls->m_YtransBox->value(); world[2] = m_Controls->m_ZtransBox->value(); geom->Translate(world); // calculate rotation matrix double x = m_Controls->m_XrotBox->value()*M_PI/180; double y = m_Controls->m_YrotBox->value()*M_PI/180; double z = m_Controls->m_ZrotBox->value()*M_PI/180; itk::Matrix< double, 3, 3 > rotX; rotX.SetIdentity(); rotX[1][1] = cos(x); rotX[2][2] = rotX[1][1]; rotX[1][2] = -sin(x); rotX[2][1] = -rotX[1][2]; itk::Matrix< double, 3, 3 > rotY; rotY.SetIdentity(); rotY[0][0] = cos(y); rotY[2][2] = rotY[0][0]; rotY[0][2] = sin(y); rotY[2][0] = -rotY[0][2]; itk::Matrix< double, 3, 3 > rotZ; rotZ.SetIdentity(); rotZ[0][0] = cos(z); rotZ[1][1] = rotZ[0][0]; rotZ[0][1] = -sin(z); rotZ[1][0] = -rotZ[0][1]; itk::Matrix< double, 3, 3 > rot = rotZ*rotY*rotX; // transform control point coordinate into geometry translation geom->SetOrigin(pe->GetWorldControlPoint(0)); mitk::Point2D cp; cp.Fill(0.0); pe->SetControlPoint(0, cp); // rotate fiducial geom->GetIndexToWorldTransform()->SetMatrix(rot*geom->GetIndexToWorldTransform()->GetMatrix()); pe->Modified(); } if (m_Controls->m_RealTimeFibers->isChecked()) GenerateFibers(); } mitk::RenderingManager::GetInstance()->RequestUpdateAll(); } void QmitkFiberfoxView::CopyBundles() { if ( m_SelectedBundles.size()<1 ){ QMessageBox::information( NULL, "Warning", "Select at least one fiber bundle!"); MITK_WARN("QmitkFiberProcessingView") << "Select at least one fiber bundle!"; return; } for (std::vector::const_iterator it = m_SelectedBundles.begin(); it!=m_SelectedBundles.end(); ++it) { // find parent image mitk::DataNode::Pointer parentNode; mitk::DataStorage::SetOfObjects::ConstPointer parentImgs = GetDataStorage()->GetSources(*it); for( mitk::DataStorage::SetOfObjects::const_iterator it2 = parentImgs->begin(); it2 != parentImgs->end(); ++it2 ) { mitk::DataNode::Pointer pImgNode = *it2; if ( pImgNode.IsNotNull() && dynamic_cast(pImgNode->GetData()) ) { parentNode = pImgNode; break; } } mitk::FiberBundleX::Pointer fib = dynamic_cast((*it)->GetData()); mitk::FiberBundleX::Pointer newBundle = fib->GetDeepCopy(); QString name((*it)->GetName().c_str()); name += "_copy"; mitk::DataNode::Pointer fbNode = mitk::DataNode::New(); fbNode->SetData(newBundle); fbNode->SetName(name.toStdString()); fbNode->SetVisibility(true); if (parentNode.IsNotNull()) GetDataStorage()->Add(fbNode, parentNode); else GetDataStorage()->Add(fbNode); // copy child fiducials if (m_Controls->m_IncludeFiducials->isChecked()) { mitk::DataStorage::SetOfObjects::ConstPointer derivations = GetDataStorage()->GetDerivations(*it); for( mitk::DataStorage::SetOfObjects::const_iterator it2 = derivations->begin(); it2 != derivations->end(); ++it2 ) { mitk::DataNode::Pointer fiducialNode = *it2; if ( fiducialNode.IsNotNull() && dynamic_cast(fiducialNode->GetData()) ) { mitk::PlanarEllipse::Pointer pe = mitk::PlanarEllipse::New(); pe->DeepCopy(dynamic_cast(fiducialNode->GetData())); mitk::DataNode::Pointer newNode = mitk::DataNode::New(); newNode->SetData(pe); newNode->SetName(fiducialNode->GetName()); newNode->SetBoolProperty("planarfigure.3drendering", true); GetDataStorage()->Add(newNode, fbNode); } } } } mitk::RenderingManager::GetInstance()->RequestUpdateAll(); } void QmitkFiberfoxView::JoinBundles() { if ( m_SelectedBundles.size()<2 ){ QMessageBox::information( NULL, "Warning", "Select at least two fiber bundles!"); MITK_WARN("QmitkFiberProcessingView") << "Select at least two fiber bundles!"; return; } std::vector::const_iterator it = m_SelectedBundles.begin(); mitk::FiberBundleX::Pointer newBundle = dynamic_cast((*it)->GetData()); QString name(""); name += QString((*it)->GetName().c_str()); ++it; for (; it!=m_SelectedBundles.end(); ++it) { newBundle = newBundle->AddBundle(dynamic_cast((*it)->GetData())); name += "+"+QString((*it)->GetName().c_str()); } mitk::DataNode::Pointer fbNode = mitk::DataNode::New(); fbNode->SetData(newBundle); fbNode->SetName(name.toStdString()); fbNode->SetVisibility(true); GetDataStorage()->Add(fbNode); mitk::RenderingManager::GetInstance()->RequestUpdateAll(); } void QmitkFiberfoxView::UpdateGui() { m_Controls->m_FiberBundleLabel->setText("mandatory"); m_Controls->m_GeometryFrame->setEnabled(true); m_Controls->m_GeometryMessage->setVisible(false); m_Controls->m_DiffusionPropsMessage->setVisible(false); m_Controls->m_FiberGenMessage->setVisible(true); m_Controls->m_TransformBundlesButton->setEnabled(false); m_Controls->m_CopyBundlesButton->setEnabled(false); m_Controls->m_GenerateFibersButton->setEnabled(false); m_Controls->m_FlipButton->setEnabled(false); m_Controls->m_CircleButton->setEnabled(false); m_Controls->m_BvalueBox->setEnabled(true); m_Controls->m_NumGradientsBox->setEnabled(true); m_Controls->m_JoinBundlesButton->setEnabled(false); m_Controls->m_AlignOnGrid->setEnabled(false); if (m_SelectedFiducial.IsNotNull()) { m_Controls->m_TransformBundlesButton->setEnabled(true); m_Controls->m_FlipButton->setEnabled(true); m_Controls->m_AlignOnGrid->setEnabled(true); } if (m_SelectedImage.IsNotNull() || !m_SelectedBundles.empty()) { m_Controls->m_TransformBundlesButton->setEnabled(true); m_Controls->m_CircleButton->setEnabled(true); m_Controls->m_FiberGenMessage->setVisible(false); m_Controls->m_AlignOnGrid->setEnabled(true); } if (m_MaskImageNode.IsNotNull() || m_SelectedImage.IsNotNull()) { m_Controls->m_GeometryMessage->setVisible(true); m_Controls->m_GeometryFrame->setEnabled(false); } if (m_SelectedDWI.IsNotNull()) { m_Controls->m_DiffusionPropsMessage->setVisible(true); m_Controls->m_BvalueBox->setEnabled(false); m_Controls->m_NumGradientsBox->setEnabled(false); m_Controls->m_GeometryMessage->setVisible(true); m_Controls->m_GeometryFrame->setEnabled(false); } if (!m_SelectedBundles.empty()) { m_Controls->m_CopyBundlesButton->setEnabled(true); m_Controls->m_GenerateFibersButton->setEnabled(true); m_Controls->m_FiberBundleLabel->setText(m_SelectedBundles.at(0)->GetName().c_str()); if (m_SelectedBundles.size()>1) m_Controls->m_JoinBundlesButton->setEnabled(true); } } void QmitkFiberfoxView::OnSelectionChanged( berry::IWorkbenchPart::Pointer, const QList& nodes ) { m_SelectedBundles2.clear(); m_SelectedImages.clear(); m_SelectedFiducials.clear(); m_SelectedFiducial = NULL; m_SelectedBundles.clear(); m_SelectedImage = NULL; m_SelectedDWI = NULL; m_MaskImageNode = NULL; m_Controls->m_TissueMaskLabel->setText("optional"); // iterate all selected objects, adjust warning visibility for( int i=0; i*>(node->GetData()) ) { m_SelectedDWI = node; m_SelectedImage = node; m_SelectedImages.push_back(node); } else if( node.IsNotNull() && dynamic_cast(node->GetData()) ) { m_SelectedImages.push_back(node); m_SelectedImage = node; bool isbinary = false; node->GetPropertyValue("binary", isbinary); if (isbinary) { m_MaskImageNode = node; m_Controls->m_TissueMaskLabel->setText(m_MaskImageNode->GetName().c_str()); } } else if ( node.IsNotNull() && dynamic_cast(node->GetData()) ) { m_SelectedBundles2.push_back(node); if (m_Controls->m_RealTimeFibers->isChecked()) { m_SelectedBundles.push_back(node); mitk::FiberBundleX::Pointer newFib = dynamic_cast(node->GetData()); if (newFib->GetNumFibers()!=m_Controls->m_FiberDensityBox->value()) GenerateFibers(); } else m_SelectedBundles.push_back(node); } else if ( node.IsNotNull() && dynamic_cast(node->GetData()) ) { m_SelectedFiducials.push_back(node); m_SelectedFiducial = node; m_SelectedBundles.clear(); mitk::DataStorage::SetOfObjects::ConstPointer parents = GetDataStorage()->GetSources(node); for( mitk::DataStorage::SetOfObjects::const_iterator it = parents->begin(); it != parents->end(); ++it ) { mitk::DataNode::Pointer pNode = *it; if ( pNode.IsNotNull() && dynamic_cast(pNode->GetData()) ) m_SelectedBundles.push_back(pNode); } } } UpdateGui(); } void QmitkFiberfoxView::EnableCrosshairNavigation() { MITK_DEBUG << "EnableCrosshairNavigation"; // enable the crosshair navigation if (mitk::ILinkedRenderWindowPart* linkedRenderWindow = dynamic_cast(this->GetRenderWindowPart())) { MITK_DEBUG << "enabling linked navigation"; linkedRenderWindow->EnableLinkedNavigation(true); // linkedRenderWindow->EnableSlicingPlanes(true); } if (m_Controls->m_RealTimeFibers->isChecked()) GenerateFibers(); } void QmitkFiberfoxView::DisableCrosshairNavigation() { MITK_DEBUG << "DisableCrosshairNavigation"; // disable the crosshair navigation during the drawing if (mitk::ILinkedRenderWindowPart* linkedRenderWindow = dynamic_cast(this->GetRenderWindowPart())) { MITK_DEBUG << "disabling linked navigation"; linkedRenderWindow->EnableLinkedNavigation(false); // linkedRenderWindow->EnableSlicingPlanes(false); } } void QmitkFiberfoxView::NodeRemoved(const mitk::DataNode* node) { mitk::DataNode* nonConstNode = const_cast(node); std::map::iterator it = m_DataNodeToPlanarFigureData.find(nonConstNode); if (dynamic_cast(node->GetData())) { m_SelectedBundles.clear(); m_SelectedBundles2.clear(); } else if (dynamic_cast(node->GetData())) m_SelectedImages.clear(); if( it != m_DataNodeToPlanarFigureData.end() ) { QmitkPlanarFigureData& data = it->second; // remove observers data.m_Figure->RemoveObserver( data.m_EndPlacementObserverTag ); data.m_Figure->RemoveObserver( data.m_SelectObserverTag ); data.m_Figure->RemoveObserver( data.m_StartInteractionObserverTag ); data.m_Figure->RemoveObserver( data.m_EndInteractionObserverTag ); m_DataNodeToPlanarFigureData.erase( it ); } } void QmitkFiberfoxView::NodeAdded( const mitk::DataNode* node ) { // add observer for selection in renderwindow mitk::PlanarFigure* figure = dynamic_cast(node->GetData()); bool isPositionMarker (false); node->GetBoolProperty("isContourMarker", isPositionMarker); if( figure && !isPositionMarker ) { MITK_DEBUG << "figure added. will add interactor if needed."; mitk::PlanarFigureInteractor::Pointer figureInteractor = dynamic_cast(node->GetDataInteractor().GetPointer()); mitk::DataNode* nonConstNode = const_cast( node ); if(figureInteractor.IsNull()) { figureInteractor = mitk::PlanarFigureInteractor::New(); us::Module* planarFigureModule = us::ModuleRegistry::GetModule( "MitkPlanarFigure" ); figureInteractor->LoadStateMachine("PlanarFigureInteraction.xml", planarFigureModule ); figureInteractor->SetEventConfig( "PlanarFigureConfig.xml", planarFigureModule ); figureInteractor->SetDataNode( nonConstNode ); } MITK_DEBUG << "will now add observers for planarfigure"; QmitkPlanarFigureData data; data.m_Figure = figure; // // add observer for event when figure has been placed typedef itk::SimpleMemberCommand< QmitkFiberfoxView > SimpleCommandType; // SimpleCommandType::Pointer initializationCommand = SimpleCommandType::New(); // initializationCommand->SetCallbackFunction( this, &QmitkFiberfoxView::PlanarFigureInitialized ); // data.m_EndPlacementObserverTag = figure->AddObserver( mitk::EndPlacementPlanarFigureEvent(), initializationCommand ); // add observer for event when figure is picked (selected) typedef itk::MemberCommand< QmitkFiberfoxView > MemberCommandType; MemberCommandType::Pointer selectCommand = MemberCommandType::New(); selectCommand->SetCallbackFunction( this, &QmitkFiberfoxView::PlanarFigureSelected ); data.m_SelectObserverTag = figure->AddObserver( mitk::SelectPlanarFigureEvent(), selectCommand ); // add observer for event when interaction with figure starts SimpleCommandType::Pointer startInteractionCommand = SimpleCommandType::New(); startInteractionCommand->SetCallbackFunction( this, &QmitkFiberfoxView::DisableCrosshairNavigation); data.m_StartInteractionObserverTag = figure->AddObserver( mitk::StartInteractionPlanarFigureEvent(), startInteractionCommand ); // add observer for event when interaction with figure starts SimpleCommandType::Pointer endInteractionCommand = SimpleCommandType::New(); endInteractionCommand->SetCallbackFunction( this, &QmitkFiberfoxView::EnableCrosshairNavigation); data.m_EndInteractionObserverTag = figure->AddObserver( mitk::EndInteractionPlanarFigureEvent(), endInteractionCommand ); m_DataNodeToPlanarFigureData[nonConstNode] = data; } } void QmitkFiberfoxView::PlanarFigureSelected( itk::Object* object, const itk::EventObject& ) { mitk::TNodePredicateDataType::Pointer isPf = mitk::TNodePredicateDataType::New(); mitk::DataStorage::SetOfObjects::ConstPointer allPfs = this->GetDataStorage()->GetSubset( isPf ); for ( mitk::DataStorage::SetOfObjects::const_iterator it = allPfs->begin(); it!=allPfs->end(); ++it) { mitk::DataNode* node = *it; if( node->GetData() == object ) { node->SetSelected(true); m_SelectedFiducial = node; } else node->SetSelected(false); } UpdateGui(); this->RequestRenderWindowUpdate(); } void QmitkFiberfoxView::SetFocus() { m_Controls->m_CircleButton->setFocus(); } void QmitkFiberfoxView::SetOutputPath() { // SELECT FOLDER DIALOG string outputPath = QFileDialog::getExistingDirectory(NULL, "Save images to...", QString(outputPath.c_str())).toStdString(); if (outputPath.empty()) m_Controls->m_SavePathEdit->setText("-"); else { outputPath += "/"; m_Controls->m_SavePathEdit->setText(QString(outputPath.c_str())); } } diff --git a/Plugins/org.mitk.gui.qt.diffusionimaging/src/internal/QmitkFiberfoxViewControls.ui b/Plugins/org.mitk.gui.qt.diffusionimaging/src/internal/QmitkFiberfoxViewControls.ui index c4274ce619..ff04c19166 100755 --- a/Plugins/org.mitk.gui.qt.diffusionimaging/src/internal/QmitkFiberfoxViewControls.ui +++ b/Plugins/org.mitk.gui.qt.diffusionimaging/src/internal/QmitkFiberfoxViewControls.ui @@ -1,3037 +1,3090 @@ QmitkFiberfoxViewControls 0 0 - 435 + 443 2305 Form Load Parameters :/QmitkDiffusionImaging/general_icons/upload.ico:/QmitkDiffusionImaging/general_icons/upload.ico 0 Fiber Definition Qt::Vertical 20 40 color: rgb(255, 0, 0); Please select an image or an existing fiber bundle to draw the fiber fiducials. If you can't provide a suitable image, generate one using the "Signal Generation" tab. Qt::AutoText Qt::AlignJustify|Qt::AlignVCenter true Fiducial Options All fiducials are treated as circles with the same radius as the first fiducial. Use Constant Fiducial Radius false false Align selected fiducials with voxel grid. Shifts selected fiducials to nearest voxel center. Align With Grid :/QmitkDiffusionImaging/general_icons/right.ico:/QmitkDiffusionImaging/general_icons/right.ico Operations false Join Bundles :/QmitkDiffusionImaging/general_icons/plus.ico:/QmitkDiffusionImaging/general_icons/plus.ico QFrame::NoFrame QFrame::Raised 0 0 0 0 Y false Rotation angle (in degree) around x-axis. -360.000000000000000 360.000000000000000 0.100000000000000 Axis: false Rotation angle (in degree) around y-axis. -360.000000000000000 360.000000000000000 0.100000000000000 Translation: false Translation (in mm) in direction of the z-axis. -1000.000000000000000 1000.000000000000000 0.100000000000000 Translation (in mm) in direction of the y-axis. -1000.000000000000000 1000.000000000000000 0.100000000000000 X false Rotation: false Z false Rotation angle (in degree) around z-axis. -360.000000000000000 360.000000000000000 0.100000000000000 Translation (in mm) in direction of the x-axis. -1000.000000000000000 1000.000000000000000 0.100000000000000 Scaling: false Scaling factor for selected fiber bundle along the x-axis. 0.010000000000000 10.000000000000000 0.010000000000000 1.000000000000000 Scaling factor for selected fiber bundle along the y-axis. 0.010000000000000 10.000000000000000 0.010000000000000 1.000000000000000 Scaling factor for selected fiber bundle along the z-axis. 0.010000000000000 10.000000000000000 0.010000000000000 1.000000000000000 false Copy Bundles :/QmitkDiffusionImaging/general_icons/copy2.ico:/QmitkDiffusionImaging/general_icons/copy2.ico false Transform Selection :/QmitkDiffusionImaging/general_icons/refresh.ico:/QmitkDiffusionImaging/general_icons/refresh.ico If checked, the fiducials belonging to the modified bundle are also modified. Include Fiducials true Fiber Options QFrame::NoFrame QFrame::Raised 0 0 0 0 QFrame::NoFrame QFrame::Raised 0 0 0 0 Tension: false Fiber Sampling: false 3 -1.000000000000000 1.000000000000000 0.100000000000000 0.000000000000000 3 -1.000000000000000 1.000000000000000 0.100000000000000 0.000000000000000 Bias: false Continuity: false 3 -1.000000000000000 1.000000000000000 0.100000000000000 0.000000000000000 Distance of fiber sampling points (in mm) 1 0.100000000000000 0.100000000000000 1.000000000000000 QFrame::NoFrame QFrame::Raised 0 0 0 0 6 #Fibers: false Specify number of fibers to generate for the selected bundle. 1 1000000 100 100 false Generate Fibers :/QmitkDiffusionImaging/general_icons/right.ico:/QmitkDiffusionImaging/general_icons/right.ico QFrame::NoFrame QFrame::Raised 0 0 0 0 Select fiber distribution inside of the fiducials. Uniform Gaussian Fiber Distribution: false Variance of the gaussian 3 0.001000000000000 10.000000000000000 0.010000000000000 0.100000000000000 QFrame::NoFrame QFrame::Raised 0 0 0 0 Disable to only generate fibers if "Generate Fibers" button is pressed. Real Time Fibers true Disable to only generate fibers if "Generate Fibers" button is pressed. Advanced Options false QFrame::NoFrame QFrame::Raised 0 0 0 0 false 30 30 Draw elliptical fiducial. :/QmitkDiffusionImaging/circle.png:/QmitkDiffusionImaging/circle.png 32 32 false true false 30 30 Flip fiber waypoints of selcted fiducial around one axis. :/QmitkDiffusionImaging/refresh.xpm:/QmitkDiffusionImaging/refresh.xpm 32 32 false true Qt::Horizontal 40 20 Signal Generation - - + + - Data + Intra-axonal Compartment - - - - - - - - - - - - - - Tissue Mask: - - - false - - + + + - - - - <html><head/><body><p><span style=" color:#969696;">optional</span></p></body></html> - - - true - - + + - - + + - - - - - - - - - - Fiber Bundle: - - - false + Select signal model for intra-axonal compartment. + + + Stick Model + + + + + Zeppelin Model + + + + + Tensor Model + + + + + PrototypeSignal + + - - - - <html><head/><body><p><span style=" color:#ff0000;">mandatory</span></p></body></html> - - - true - - + + - - - - - - - - - - + + + + + + + + + true + + + Stop current simulation. + + + Abort Simulation + + + + :/QmitkDiffusionImaging/general_icons/abort.ico:/QmitkDiffusionImaging/general_icons/abort.ico + + + + + + + Image Settings + + + + - Save path: - - - false + Advanced Options - - + + QFrame::NoFrame QFrame::Raised - + 0 0 0 0 - 0 + 6 - + - - + Gradient Directions: - + + + Number of gradient directions distributed over the half sphere. + + + 0 + + + 10000 + + + 1 + + + 30 + + + + + + + + + + + + + + - ... + <html><head/><body><p>b-Value<span style=" font-style:italic;"> [s/mm</span><span style=" font-style:italic; vertical-align:super;">2</span><span style=" font-style:italic;">]</span>:</p></body></html> + + + false + + + + + + + b-value in s/mm² + + + 0 + + + 10000 + + + 100 + + + 1000 - - - - - - - Noise and other Artifacts - - - - - - Qt::Horizontal + + + + color: rgb(255, 0, 0); - - - - - Add Noise - - - false + Using geometry of selected image! - - - - Add ringing artifacts occuring at strong edges in the image. + + + + color: rgb(255, 0, 0); - Add Gibbs Ringing - - - false + Using gradients of selected DWI! - - - - true - + + QFrame::NoFrame QFrame::Raised - - - 6 - + 0 0 0 0 - - - - - - + + 6 + + + + + TE in milliseconds + + + 1 + + + 10000 + + + 1 + + + 100 + + + + + + + + + - Shrink FOV (%): + <html><head/><body><p>Echo Time <span style=" font-style:italic;">TE</span>: </p></body></html> false - - + + - Shrink FOV by this percentage. + Relaxation time due to magnetic field inhomogeneities (T2', in milliseconds). - + 1 - - 0.000000000000000 + + 10000 + + + 1 + + + 50 + + + + + + + Disable partial volume. Treat voxel content as fiber-only if at least one fiber is present. + + + Disable Partial Volume Effects + + + false + + + + + + + T2* relaxation time (in milliseconds). - 90.000000000000000 + 100.000000000000000 0.100000000000000 - 25.000000000000000 + 1.000000000000000 - - - - - - - Qt::Horizontal - - - - - - - QFrame::NoFrame - - - QFrame::Raised - - - - 0 - - - 0 - - - 0 - - - 0 - - - + + + + Output one image per compartment containing the corresponding volume fractions per voxel. + - Num. Spikes: + Output Volume Fractions + + + false - - + + - The number of randomly occurring signal spikes. + - - 1 + + + + + + + + <html><head/><body><p><span style=" font-style:italic;">T</span><span style=" font-style:italic; vertical-align:sub;">inhom</span> Relaxation: </p></body></html> + + + false - - + + - Spike amplitude relative to the largest signal amplitude of the corresponding k-space slice. + - - 0.100000000000000 + + + + + + + + Line Readout Time: + + + false + + + + + + + Fiber radius used to calculate volume fractions (in µm). Set to 0 for automatic radius estimation. + + + 0 + + + 1000 - 0.100000000000000 + 0 - - + + - Scale: + Fiber Radius: + + + + + + + Signal Scale: + + + + + + + <html><head/><body><p><span style=" font-style:italic;">TE</span>, <span style=" font-style:italic;">T</span><span style=" font-style:italic; vertical-align:sub;">inhom</span> and <span style=" font-style:italic;">T2</span> will have no effect if unchecked.</p></body></html> + + + Simulate Signal Relaxation + + + true + + + + + + + TE in milliseconds + + + 1 + + + 10000 + + + 1 + + + 100 - - - - !!!EXPERIMENTAL!!! - - - Add Eddy Current Effects - - - false - - - - - - Add Spikes - - - false - - - - - + QFrame::NoFrame QFrame::Raised - + 0 0 0 0 - - - - Variance: - - - - - - - Variance of selected noise distribution. - + + - 4 + 3 - 0.000000000000000 + 0.100000000000000 - 999999999.000000000000000 + 50.000000000000000 - 0.001000000000000 + 0.100000000000000 + + + 2.000000000000000 + + + + + + + Image Spacing: + + + + + + + 3 + + + 0.100000000000000 + + + 50.000000000000000 + + + 0.100000000000000 + 2.000000000000000 + + + + + + + 3 + + + 0.100000000000000 + + 50.000000000000000 + + 0.100000000000000 + + + 2.000000000000000 + - + - Distribution: + Image Dimensions: - + - Noise distribution + Fiber sampling factor which determines the accuracy of the calculated fiber and non-fiber volume fractions. + + + 1 + + + 1000 + + + 1 + + + 11 - - - Rician - - - - - Chi-squared - - - - - - - - - Add N/2 Ghosts - - - false - - - - - - - true - - - QFrame::NoFrame - - - QFrame::Raised - - - - 6 - - - 0 - - - 0 - - - 0 - - - 0 - - - + + - + Fiber sampling factor which determines the accuracy of the calculated fiber and non-fiber volume fractions. - - + + 1 - - + + 1000 - - Frequency Map: + + 1 - - false + + 11 - - + + - Select image specifying the frequency inhomogeneities (in Hz). + Fiber sampling factor which determines the accuracy of the calculated fiber and non-fiber volume fractions. + + + 1 + + + 1000 + + + 1 + + + 3 - - - - Qt::Horizontal + + + + + + + Inter-axonal Compartment + + + + + + Select signal model for intra-axonal compartment. + + + -- + + + + + Stick Model + + + + + Zeppelin Model + + + + + Tensor Model + + - - - - Qt::Horizontal - - + + - - - - Qt::Horizontal - - + + - - - - true - - - QFrame::NoFrame + + + + + + + + + + + + + + 8 + + + + true + + + + + + + Data + + + + + + - - QFrame::Raised + + - - - QFormLayout::AllNonFixedFieldsGrow - - - 6 - + + + + + Tissue Mask: + + + false + + + + + + + <html><head/><body><p><span style=" color:#969696;">optional</span></p></body></html> + + + true + + + + + + + + + + + + + + + + Fiber Bundle: + + + false + + + + + + + <html><head/><body><p><span style=" color:#ff0000;">mandatory</span></p></body></html> + + + true + + + + + + + + + + + + + + + + Save path: + + + false + + + + + + + QFrame::NoFrame + + + QFrame::Raised + + 0 - 6 + 0 0 0 + + 0 + - - - Toggle between random movement and linear movement. + + + - + + + + - Randomize motion + ... - - true + + + + + + + + + + + + Extra-axonal Compartments + + + + + + QFrame::NoFrame + + + QFrame::Raised + + + + 0 + + + 0 + + + 0 + + + 0 + + + + + Volume Fraction: - - - - Rotation + + + + - - - 0 - - - 9 - - - 0 - - - 0 - - - - - - - - - - - - - - Degree: - - - false - - - - - - - - - - - - - - - - x - - - false - - - - - - - - - - - - - - - - Axis: - - - false - - - - - - - Maximum rotation around x-axis. - - - 1 - - - 360.000000000000000 - - - 1.000000000000000 - - - 0.000000000000000 - - - - - - - Maximum rotation around z-axis. - - - 1 - - - 360.000000000000000 - - - 1.000000000000000 - - - 15.000000000000000 - - - - - - - - - - - - - - - - y - - - false - - - - - - - - - - - - - - - - z - - - false - - - - - - - Maximum rotation around y-axis. - - - 1 - - - 360.000000000000000 - - - 1.000000000000000 - - - 0.000000000000000 - - - - - - - - - - Translation - - - - 0 - - - 0 - - - 0 - - - - - - - - - - - - - - Distance: - - - false - - - - - - - - - - - - - - - - x - - - false - - - - - - - - - - - - - - - - y - - - false - - - - - - - - - - - - - - - - Axis: - - - false - - - - - - - - - - - - - - - - z - - - false - - - - - - - Maximum translation along x-axis. - - - 1 - - - 1000.000000000000000 - - - 1.000000000000000 - - - 0.000000000000000 - - - - - - - Maximum translation along y-axis. - - - 1 - - - 1000.000000000000000 - - - 1.000000000000000 - - - 0.000000000000000 - - - - - - - Maximum translation along z-axis. - - - 1 - - - 1000.000000000000000 - - - 1.000000000000000 - - - 0.000000000000000 - - - - - - - - Add Motion Artifacts - - - false - - - - - - - Add Distortions - - - false + + + + Select signal model for extra-axonal compartment. - - - - + + + Ball Model + + + + + Astrosticks Model + + + + + Dot Model + + + + + PrototypeSignal + + + + + + + + + + + + + + + + + + + + Qt::Horizontal + + + + + + + + + + + + + + + + Select signal model for extra-axonal compartment. + + + + -- + + + + + Ball Model + + + + + Astrosticks Model + + + + + Dot Model + + + + + Prototype Signal + + + + + + + + + + + + + + Qt::Vertical + + + + 20 + 40 + + + + + + + + Noise and other Artifacts + + + + + + Qt::Horizontal + + + + + - Add Aliasing + Add Noise false - - + + + + Add ringing artifacts occuring at strong edges in the image. + + + Add Gibbs Ringing + + + false + + + + + true QFrame::NoFrame QFrame::Raised - + 6 0 0 0 0 - + - K-Space Line Offset: + Shrink FOV (%): false - + - A larger offset increases the inensity of the ghost image. + Shrink FOV by this percentage. - 3 + 1 + + + 0.000000000000000 - 1.000000000000000 + 90.000000000000000 - 0.010000000000000 + 0.100000000000000 - 0.250000000000000 + 25.000000000000000 - - - - true + + + + Qt::Horizontal + + + + QFrame::NoFrame QFrame::Raised - - - QFormLayout::AllNonFixedFieldsGrow - - - 6 - + 0 0 0 0 - - - - - - - - - - - + + - Magnitude: - - - false + Num. Spikes: - - + + - Maximum magnitude of eddy current induced magnetic field inhomogeneities (in mT). + The number of randomly occurring signal spikes. - - 5 + + 1 - - 1000.000000000000000 + + + + + + Spike amplitude relative to the largest signal amplitude of the corresponding k-space slice. - 0.001000000000000 + 0.100000000000000 - 0.005000000000000 + 0.100000000000000 - - - - color: rgb(255, 0, 0); - + + - Experimental! + Scale: - - - - Qt::Horizontal + + + + !!!EXPERIMENTAL!!! + + + Add Eddy Current Effects + + + false - - - - Qt::Horizontal + + + + Add Spikes + + + false - - - - - - - Image Settings - - - - + + QFrame::NoFrame QFrame::Raised - + 0 0 0 0 - - 6 - - - - - TE in milliseconds - - - 1 - - - 10000 - - - 1 - - - 100 - - - - - - - - - - - - - + - <html><head/><body><p>Echo Time <span style=" font-style:italic;">TE</span>: </p></body></html> - - - false - - - - - - - Relaxation time due to magnetic field inhomogeneities (T2', in milliseconds). - - - 1 - - - 10000 - - - 1 - - - 50 + Variance: - - + + - Disable partial volume. Treat voxel content as fiber-only if at least one fiber is present. - - - Disable Partial Volume Effects + Variance of selected noise distribution. - - false + + 4 - - - - - - T2* relaxation time (in milliseconds). + + 0.000000000000000 - 100.000000000000000 + 999999999.000000000000000 - 0.100000000000000 - - - 1.000000000000000 - - - - - - - Output one image per compartment containing the corresponding volume fractions per voxel. - - - Output Volume Fractions - - - false - - - - - - - - - - - - - - - - <html><head/><body><p><span style=" font-style:italic;">T</span><span style=" font-style:italic; vertical-align:sub;">inhom</span> Relaxation: </p></body></html> - - - false - - - - - - - - - - - - - - - - Line Readout Time: - - - false - - - - - - - Fiber radius used to calculate volume fractions (in µm). Set to 0 for automatic radius estimation. - - - 0 - - - 1000 + 0.001000000000000 - 0 - - - - - - - Fiber Radius: + 50.000000000000000 - - - Signal Scale: - - - - - - - <html><head/><body><p><span style=" font-style:italic;">TE</span>, <span style=" font-style:italic;">T</span><span style=" font-style:italic; vertical-align:sub;">inhom</span> and <span style=" font-style:italic;">T2</span> will have no effect if unchecked.</p></body></html> - + - Simulate Signal Relaxation - - - true + Distribution: - + - TE in milliseconds - - - 1 - - - 10000 - - - 1 - - - 100 + Noise distribution + + + Rician + + + + + Chi-squared + + - - - - color: rgb(255, 0, 0); - + + - Using geometry of selected image! - - - - - - - color: rgb(255, 0, 0); + Add N/2 Ghosts - - Using gradients of selected DWI! + + false - - + + + + true + QFrame::NoFrame QFrame::Raised - + + + 6 + 0 0 0 0 - - - - 3 + + + + - - 0.100000000000000 + + - - 50.000000000000000 - - - 0.100000000000000 - - - 2.000000000000000 + + - - - - - Image Spacing: - - - - - - - 3 - - - 0.100000000000000 - - - 50.000000000000000 - - - 0.100000000000000 + Frequency Map: - - 2.000000000000000 + + false - - - - 3 - - - 0.100000000000000 - - - 50.000000000000000 - - - 0.100000000000000 - - - 2.000000000000000 + + + + Select image specifying the frequency inhomogeneities (in Hz). + + + + + + + Qt::Horizontal + + + + + + + Qt::Horizontal + + + + + + + Qt::Horizontal + + + + + + + true + + + QFrame::NoFrame + + + QFrame::Raised + + + + QFormLayout::AllNonFixedFieldsGrow + + + 6 + + + 0 + + + 6 + + + 0 + + + 0 + - - - Image Dimensions: - - - - - + - Fiber sampling factor which determines the accuracy of the calculated fiber and non-fiber volume fractions. - - - 1 - - - 1000 + Toggle between random movement and linear movement. - - 1 + + Randomize motion - - 11 + + true - - - - Fiber sampling factor which determines the accuracy of the calculated fiber and non-fiber volume fractions. - - - 1 - - - 1000 - - - 1 - - - 11 + + + + Rotation + + + 0 + + + 9 + + + 0 + + + 0 + + + + + + + + + + + + + + Degree: + + + false + + + + + + + + + + + + + + + + x + + + false + + + + + + + + + + + + + + + + Axis: + + + false + + + + + + + Maximum rotation around x-axis. + + + 1 + + + 360.000000000000000 + + + 1.000000000000000 + + + 0.000000000000000 + + + + + + + Maximum rotation around z-axis. + + + 1 + + + 360.000000000000000 + + + 1.000000000000000 + + + 15.000000000000000 + + + + + + + + + + + + + + + + y + + + false + + + + + + + + + + + + + + + + z + + + false + + + + + + + Maximum rotation around y-axis. + + + 1 + + + 360.000000000000000 + + + 1.000000000000000 + + + 0.000000000000000 + + + + - - - - Fiber sampling factor which determines the accuracy of the calculated fiber and non-fiber volume fractions. - - - 1 - - - 1000 - - - 1 - - - 3 + + + + Translation + + + 0 + + + 0 + + + 0 + + + + + + + + + + + + + + Distance: + + + false + + + + + + + + + + + + + + + + x + + + false + + + + + + + + + + + + + + + + y + + + false + + + + + + + + + + + + + + + + Axis: + + + false + + + + + + + + + + + + + + + + z + + + false + + + + + + + Maximum translation along x-axis. + + + 1 + + + 1000.000000000000000 + + + 1.000000000000000 + + + 0.000000000000000 + + + + + + + Maximum translation along y-axis. + + + 1 + + + 1000.000000000000000 + + + 1.000000000000000 + + + 0.000000000000000 + + + + + + + Maximum translation along z-axis. + + + 1 + + + 1000.000000000000000 + + + 1.000000000000000 + + + 0.000000000000000 + + + + - - + + + + Add Motion Artifacts + + + false + + + + + + + Add Distortions + + + false + + + + + + + Add Aliasing + + + false + + + + + + + true + QFrame::NoFrame QFrame::Raised - + + + 6 + 0 0 0 0 - - 6 - - - - Gradient Directions: - - - - - - - Number of gradient directions distributed over the half sphere. - - - 0 - - - 10000 - - - 1 - - - 30 - - - - - + - <html><head/><body><p>b-Value<span style=" font-style:italic;"> [s/mm</span><span style=" font-style:italic; vertical-align:super;">2</span><span style=" font-style:italic;">]</span>:</p></body></html> + K-Space Line Offset: false - - - - b-value in s/mm² - - - 0 - - - 10000 - - - 100 - - - 1000 - - - - - - - - - - Advanced Options - - - - - - - - - - true - - - <html><head/><body><p>Start DWI generation from selected fiber bundle.</p><p>If no fiber bundle but an existing diffusion weighted image is selected, the enabled artifacts are added to this image.</p><p>If neither a fiber bundle nor a diffusion weighted image is selected, a grayscale image containing a simple gradient is generated.</p></body></html> - - - Start Simulation - - - - :/QmitkDiffusionImaging/general_icons/right.ico:/QmitkDiffusionImaging/general_icons/right.ico - - - - - - - Intra-axonal Compartment - - - - - - - - - - - - Select signal model for intra-axonal compartment. - - - - Stick Model - - - - - Zeppelin Model - - - - - Tensor Model - - - - - PrototypeSignal - - - - - - - - - - - - - - - - - true - - - Stop current simulation. - - - Abort Simulation - - - - :/QmitkDiffusionImaging/general_icons/abort.ico:/QmitkDiffusionImaging/general_icons/abort.ico - - - - - - - Extra-axonal Compartments - - - - + + + + A larger offset increases the inensity of the ghost image. + + + 3 + + + 1.000000000000000 + + + 0.010000000000000 + + + 0.250000000000000 + + + + + + + + + + true + QFrame::NoFrame QFrame::Raised - + + + QFormLayout::AllNonFixedFieldsGrow + + + 6 + 0 0 0 0 - - + + + + + + + + + + + - Volume Fraction: + Magnitude: + + + false - - + + - + Maximum magnitude of eddy current induced magnetic field inhomogeneities (in mT). + + + 5 + + + 1000.000000000000000 + + + 0.001000000000000 + + + 0.005000000000000 + + + + + + + color: rgb(255, 0, 0); + + + Experimental! - - - - Select signal model for extra-axonal compartment. - - - - Ball Model - - - - - Astrosticks Model - - - - - Dot Model - - - - - PrototypeSignal - - - - - - - - - - - - - - - - - - + + Qt::Horizontal - - - - - - - - - - - - - Select signal model for extra-axonal compartment. + + + + Qt::Horizontal - - - -- - - - - - Ball Model - - - - - Astrosticks Model - - - - - Dot Model - - - - - Prototype Signal - - - - - - - - - Qt::Vertical + + + + true - - - 20 - 40 - + + <html><head/><body><p>Start DWI generation from selected fiber bundle.</p><p>If no fiber bundle but an existing diffusion weighted image is selected, the enabled artifacts are added to this image.</p><p>If neither a fiber bundle nor a diffusion weighted image is selected, a grayscale image containing a simple gradient is generated.</p></body></html> - + + Start Simulation + + + + :/QmitkDiffusionImaging/general_icons/right.ico:/QmitkDiffusionImaging/general_icons/right.ico + + - - - - Inter-axonal Compartment + + + + QFrame::NoFrame - + + QFrame::Raised + + + + 0 + + + 0 + + + 0 + + + 0 + + + 0 + - - - Select signal model for intra-axonal compartment. + + + Diffusion direction: + + + + - -- - - - - - Stick Model + Fiber tangent - Zeppelin Model + Main fiber directions - Tensor Model + Random - - - - - - - - - - - - - - - - - 8 - - - - true - - - Save Parameters :/QmitkDiffusionImaging/general_icons/download.ico:/QmitkDiffusionImaging/general_icons/download.ico QmitkDataStorageComboBox QComboBox
QmitkDataStorageComboBox.h
 QmitkTensorModelParametersWidget QWidget
QmitkTensorModelParametersWidget.h
1 QmitkStickModelParametersWidget QWidget
QmitkStickModelParametersWidget.h
1 QmitkZeppelinModelParametersWidget QWidget
QmitkZeppelinModelParametersWidget.h
1 QmitkBallModelParametersWidget QWidget
QmitkBallModelParametersWidget.h
1 QmitkAstrosticksModelParametersWidget QWidget
QmitkAstrosticksModelParametersWidget.h
1 QmitkDotModelParametersWidget QWidget
QmitkDotModelParametersWidget.h
1 QmitkPrototypeSignalParametersWidget QWidget
QmitkPrototypeSignalParametersWidget.h
1 m_CircleButton m_FlipButton m_RealTimeFibers m_AdvancedOptionsBox m_DistributionBox m_VarianceBox m_FiberDensityBox m_FiberSamplingBox m_TensionBox m_ContinuityBox m_BiasBox m_GenerateFibersButton m_ConstantRadiusBox m_AlignOnGrid m_XrotBox m_YrotBox m_ZrotBox m_XtransBox m_YtransBox m_ZtransBox m_XscaleBox m_YscaleBox m_ZscaleBox m_TransformBundlesButton m_CopyBundlesButton m_JoinBundlesButton m_IncludeFiducials m_GenerateImageButton m_SizeX m_SizeY m_SizeZ m_SpacingX m_SpacingY m_SpacingZ m_NumGradientsBox m_BvalueBox m_AdvancedOptionsBox_2 m_SignalScaleBox m_TEbox m_LineReadoutTimeBox m_T2starBox m_FiberRadius m_RelaxationBox m_EnforcePureFiberVoxelsBox m_VolumeFractionsBox m_Compartment1Box m_Compartment2Box m_Compartment3Box m_Compartment4Box m_AddNoise m_NoiseLevel m_AddSpikes m_SpikeNumBox m_SpikeScaleBox m_AddGhosts m_kOffsetBox m_AddAliasing m_WrapBox m_AddDistortions m_FrequencyMapBox m_AddMotion m_RandomMotion m_MaxRotationBoxX m_MaxRotationBoxY m_MaxRotationBoxZ m_MaxTranslationBoxX m_MaxTranslationBoxY m_MaxTranslationBoxZ m_AddEddy m_EddyGradientStrength m_AddGibbsRinging m_SaveParametersButton m_LoadParametersButton tabWidget