diff --git a/Modules/Bundles/org.mitk.gui.qt.diffusionimaging/src/internal/QmitkGibbsTrackingView.cpp b/Modules/Bundles/org.mitk.gui.qt.diffusionimaging/src/internal/QmitkGibbsTrackingView.cpp index 396c25afd2..31c1a7002e 100644 --- a/Modules/Bundles/org.mitk.gui.qt.diffusionimaging/src/internal/QmitkGibbsTrackingView.cpp +++ b/Modules/Bundles/org.mitk.gui.qt.diffusionimaging/src/internal/QmitkGibbsTrackingView.cpp @@ -1,732 +1,738 @@ /*========================================================================= Copyright (c) German Cancer Research Center, Division of Medical and Biological Informatics. All rights reserved. See MITKCopyright.txt or http://www.mitk.org/copyright.html for details. This software is distributed WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the above copyright notices for more information. =========================================================================*/ // Blueberry #include #include // Qmitk #include "QmitkGibbsTrackingView.h" #include // Qt #include #include #include // MITK #include #include #include #include // ITK #include #include // MISC #include QmitkTrackingWorker::QmitkTrackingWorker(QmitkGibbsTrackingView* view) : m_View(view) { } void QmitkTrackingWorker::run() { MITK_INFO << "Resampling mask images"; // setup resampler typedef itk::ResampleImageFilter ResamplerType; ResamplerType::Pointer resampler = ResamplerType::New(); resampler->SetOutputSpacing( m_View->m_ItkQBallImage->GetSpacing() ); resampler->SetOutputOrigin( m_View->m_ItkQBallImage->GetOrigin() ); resampler->SetOutputDirection( m_View->m_ItkQBallImage->GetDirection() ); resampler->SetSize( m_View->m_ItkQBallImage->GetLargestPossibleRegion().GetSize() ); // resample mask image resampler->SetInput( m_View->m_MaskImage ); resampler->SetDefaultPixelValue(0); resampler->Update(); m_View->m_MaskImage = resampler->GetOutput(); m_View->m_GlobalTracker = QmitkGibbsTrackingView::GibbsTrackingFilterType::New(); m_View->m_GlobalTracker->SetInput0(m_View->m_ItkQBallImage.GetPointer()); m_View->m_GlobalTracker->SetMaskImage(m_View->m_MaskImage); m_View->m_GlobalTracker->SetGfaImage(m_View->m_GfaImage); m_View->m_GlobalTracker->SetTempStart((float)m_View->m_Controls->m_StartTempSlider->value()/100); m_View->m_GlobalTracker->SetTempEnd((float)m_View->m_Controls->m_EndTempSlider->value()/10000); m_View->m_GlobalTracker->SetNumIt(m_View->m_Iterations); m_View->m_GlobalTracker->SetParticleWeight((float)m_View->m_Controls->m_ParticleWeightSlider->value()/10000); m_View->m_GlobalTracker->SetSubtractMean(m_View->m_Controls->m_MeanSubtractionCheckbox->isChecked()); m_View->m_GlobalTracker->SetParticleWidth((float)(m_View->m_Controls->m_ParticleWidthSlider->value())/10); m_View->m_GlobalTracker->SetParticleLength((float)(m_View->m_Controls->m_ParticleLengthSlider->value())/10); m_View->m_GlobalTracker->SetInexBalance((float)m_View->m_Controls->m_InExBalanceSlider->value()/10); m_View->m_GlobalTracker->SetFiberLength(m_View->m_Controls->m_FiberLengthSlider->value()); m_View->m_GlobalTracker->Update(); m_View->m_TrackingThread.quit(); } const std::string QmitkGibbsTrackingView::VIEW_ID = "org.mitk.views.gibbstracking"; QmitkGibbsTrackingView::QmitkGibbsTrackingView() : QmitkFunctionality() , m_Controls( 0 ) , m_MultiWidget( NULL ) , m_ThreadIsRunning(false) , m_GlobalTracker(NULL) , m_QBallImage(NULL) , m_MaskImage(NULL) , m_GfaImage(NULL) , m_GfaImageNode(NULL) , m_QBallImageNode(NULL) , m_ItkQBallImage(NULL) , m_FiberBundleNode(NULL) , m_TrackingWorker(this) , m_QBallSelected(false) , m_FibSelected(false) , m_Iterations(10000000) , m_LastStep(0) { m_TrackingWorker.moveToThread(&m_TrackingThread); connect(&m_TrackingThread, SIGNAL(started()), this, SLOT(BeforeThread())); connect(&m_TrackingThread, SIGNAL(started()), &m_TrackingWorker, SLOT(run())); connect(&m_TrackingThread, SIGNAL(finished()), this, SLOT(AfterThread())); connect(&m_TrackingThread, SIGNAL(terminated()), this, SLOT(AfterThread())); m_TrackingTimer = new QTimer(this); } QmitkGibbsTrackingView::~QmitkGibbsTrackingView() { delete m_TrackingTimer; } // update tracking status and generate fiber bundle void QmitkGibbsTrackingView::TimerUpdate() { mitk::ProgressBar::GetInstance()->Progress(m_GlobalTracker->GetCurrentStep()-m_LastStep); m_LastStep = m_GlobalTracker->GetCurrentStep(); UpdateTrackingStatus(); GenerateFiberBundle(); } // tell global tractography filter to stop after current step void QmitkGibbsTrackingView::StopGibbsTracking() { if (m_GlobalTracker.IsNull()) return; mitk::ProgressBar::GetInstance()->Progress(m_GlobalTracker->GetSteps()-m_LastStep); m_GlobalTracker->SetAbortTracking(true); m_Controls->m_TrackingStop->setEnabled(false); m_Controls->m_TrackingStop->setText("Stopping Tractography ..."); } // update gui elements and generate fiber bundle after tracking is finished void QmitkGibbsTrackingView::AfterThread() { m_ThreadIsRunning = false; m_TrackingTimer->stop(); UpdateGUI(); UpdateTrackingStatus(); GenerateFiberBundle(); } // start tracking timer and update gui elements before tracking is started void QmitkGibbsTrackingView::BeforeThread() { m_ThreadIsRunning = true; m_TrackingTime = QTime::currentTime(); m_ElapsedTime = 0; m_TrackingTimer->start(1000); m_LastStep = 0; UpdateGUI(); } // setup gui elements and signal/slot connections void QmitkGibbsTrackingView::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::QmitkGibbsTrackingViewControls; m_Controls->setupUi( parent ); AdvancedSettings(); connect( m_TrackingTimer, SIGNAL(timeout()), this, SLOT(TimerUpdate()) ); connect( m_Controls->m_TrackingStop, SIGNAL(clicked()), this, SLOT(StopGibbsTracking()) ); connect( m_Controls->m_TrackingStart, SIGNAL(clicked()), this, SLOT(StartGibbsTracking()) ); connect( m_Controls->m_SetMaskButton, SIGNAL(clicked()), this, SLOT(SetMask()) ); connect( m_Controls->m_SetGfaButton, SIGNAL(clicked()), this, SLOT(SetGfaImage()) ); connect( m_Controls->m_AdvancedSettingsCheckbox, SIGNAL(clicked()), this, SLOT(AdvancedSettings()) ); connect( m_Controls->m_SaveTrackingParameters, SIGNAL(clicked()), this, SLOT(SaveTrackingParameters()) ); connect( m_Controls->m_LoadTrackingParameters, SIGNAL(clicked()), this, SLOT(LoadTrackingParameters()) ); connect( m_Controls->m_IterationsSlider, SIGNAL(valueChanged(int)), this, SLOT(SetIterations(int)) ); connect( m_Controls->m_ParticleWidthSlider, SIGNAL(valueChanged(int)), this, SLOT(SetParticleWidth(int)) ); connect( m_Controls->m_ParticleLengthSlider, SIGNAL(valueChanged(int)), this, SLOT(SetParticleLength(int)) ); connect( m_Controls->m_InExBalanceSlider, SIGNAL(valueChanged(int)), this, SLOT(SetInExBalance(int)) ); connect( m_Controls->m_FiberLengthSlider, SIGNAL(valueChanged(int)), this, SLOT(SetFiberLength(int)) ); connect( m_Controls->m_ParticleWeightSlider, SIGNAL(valueChanged(int)), this, SLOT(SetParticleWeight(int)) ); connect( m_Controls->m_StartTempSlider, SIGNAL(valueChanged(int)), this, SLOT(SetStartTemp(int)) ); connect( m_Controls->m_EndTempSlider, SIGNAL(valueChanged(int)), this, SLOT(SetEndTemp(int)) ); } } void QmitkGibbsTrackingView::SetInExBalance(int value) { m_Controls->m_InExBalanceLabel->setText(QString::number((float)value/10)); } void QmitkGibbsTrackingView::SetFiberLength(int value) { m_Controls->m_FiberLengthLabel->setText(QString::number(value)); } void QmitkGibbsTrackingView::SetParticleWeight(int value) { - m_Controls->m_ParticleWeightLabel->setText(QString::number((float)value/10000)); + if (value>0) + { + m_Controls->m_ParticleWeightLabel->setText(QString::number((float)value/10000)); + m_Controls->m_GfaFrame->setEnabled(false); + } + else + { + m_Controls->m_ParticleWeightLabel->setText("auto"); + m_Controls->m_GfaFrame->setEnabled(true); + } } void QmitkGibbsTrackingView::SetStartTemp(int value) { m_Controls->m_StartTempLabel->setText(QString::number((float)value/100)); } void QmitkGibbsTrackingView::SetEndTemp(int value) { m_Controls->m_EndTempLabel->setText(QString::number((float)value/10000)); } void QmitkGibbsTrackingView::SetParticleWidth(int value) { if (value>0) m_Controls->m_ParticleWidthLabel->setText(QString::number((float)value/10)+" mm"); else m_Controls->m_ParticleWidthLabel->setText("auto"); } void QmitkGibbsTrackingView::SetParticleLength(int value) { if (value>0) m_Controls->m_ParticleLengthLabel->setText(QString::number((float)value/10)+" mm"); else m_Controls->m_ParticleLengthLabel->setText("auto"); } void QmitkGibbsTrackingView::SetIterations(int value) { switch(value) { case 0: m_Controls->m_IterationsLabel->setText("Iterations: 10^4"); m_Iterations = 10000; break; case 1: m_Controls->m_IterationsLabel->setText("Iterations: 5x10^4"); m_Iterations = 50000; break; case 2: m_Controls->m_IterationsLabel->setText("Iterations: 10^5"); m_Iterations = 100000; break; case 3: m_Controls->m_IterationsLabel->setText("Iterations: 5x10^5"); m_Iterations = 500000; break; case 4: m_Controls->m_IterationsLabel->setText("Iterations: 10^6"); m_Iterations = 1000000; break; case 5: m_Controls->m_IterationsLabel->setText("Iterations: 5x10^6"); m_Iterations = 5000000; break; case 6: m_Controls->m_IterationsLabel->setText("Iterations: 10^7"); m_Iterations = 10000000; break; case 7: m_Controls->m_IterationsLabel->setText("Iterations: 5x10^7"); m_Iterations = 50000000; break; case 8: m_Controls->m_IterationsLabel->setText("10^8"); m_Iterations = 100000000; break; case 9: m_Controls->m_IterationsLabel->setText("Iterations: 5x10^8"); m_Iterations = 500000000; break; case 10: m_Controls->m_IterationsLabel->setText("Iterations: 10^9"); m_Iterations = 1000000000; break; case 11: m_Controls->m_IterationsLabel->setText("Iterations: 5x10^9"); m_Iterations = 5000000000; break; } } void QmitkGibbsTrackingView::StdMultiWidgetAvailable(QmitkStdMultiWidget &stdMultiWidget) { m_MultiWidget = &stdMultiWidget; } void QmitkGibbsTrackingView::StdMultiWidgetNotAvailable() { m_MultiWidget = NULL; } // called if datamanager selection changes void QmitkGibbsTrackingView::OnSelectionChanged( std::vector nodes ) { m_QBallSelected = false; m_FibSelected = false; // iterate all selected objects for( std::vector::iterator it = nodes.begin(); it != nodes.end(); ++it ) { mitk::DataNode::Pointer node = *it; if( node.IsNotNull() && dynamic_cast(node->GetData()) ) { m_QBallSelected = true; m_QBallImageNode = node; } else if (node.IsNotNull() && dynamic_cast(node->GetData())) { m_FibSelected = true; m_FiberBundleNode = node; } } UpdateGUI(); } // update gui elements displaying trackings status void QmitkGibbsTrackingView::UpdateTrackingStatus() { if (m_GlobalTracker.IsNull()) return; m_ElapsedTime += m_TrackingTime.elapsed()/1000; m_TrackingTime.restart(); unsigned long hours = m_ElapsedTime/3600; unsigned long minutes = (m_ElapsedTime%3600)/60; unsigned long seconds = m_ElapsedTime%60; m_Controls->m_ProposalAcceptance->setText(QString::number(m_GlobalTracker->GetProposalAcceptance()*100)+"%"); m_Controls->m_TrackingTimeLabel->setText( QString::number(hours)+QString("h ")+QString::number(minutes)+QString("m ")+QString::number(seconds)+QString("s") ); m_Controls->m_NumConnectionsLabel->setText( QString::number(m_GlobalTracker->GetNumConnections()) ); m_Controls->m_NumParticlesLabel->setText( QString::number(m_GlobalTracker->GetNumParticles()) ); m_Controls->m_CurrentStepLabel->setText( QString::number(100*(float)m_GlobalTracker->GetCurrentStep()/m_GlobalTracker->GetSteps())+"%" ); m_Controls->m_AcceptedFibersLabel->setText( QString::number(m_GlobalTracker->GetNumAcceptedFibers()) ); } // update gui elements (enable/disable elements and set tooltips) void QmitkGibbsTrackingView::UpdateGUI() { if (!m_ThreadIsRunning && m_QBallSelected) { m_Controls->m_TrackingStop->setEnabled(false); m_Controls->m_TrackingStart->setEnabled(true); m_Controls->m_LoadTrackingParameters->setEnabled(true); m_Controls->m_MaskFrame->setEnabled(true); + m_Controls->m_GfaFrame->setEnabled(true); m_Controls->m_IterationsSlider->setEnabled(true); m_Controls->m_AdvancedFrame->setEnabled(true); m_Controls->m_TrackingStop->setText("Stop Tractography"); m_Controls->m_TrackingStart->setToolTip("Start tractography. No further change of parameters possible."); m_Controls->m_TrackingStop->setToolTip(""); } else if (!m_ThreadIsRunning) { m_Controls->m_TrackingStop->setEnabled(false); m_Controls->m_TrackingStart->setEnabled(false); m_Controls->m_LoadTrackingParameters->setEnabled(true); m_Controls->m_MaskFrame->setEnabled(true); + m_Controls->m_GfaFrame->setEnabled(true); m_Controls->m_IterationsSlider->setEnabled(true); m_Controls->m_AdvancedFrame->setEnabled(true); m_Controls->m_TrackingStop->setText("Stop Tractography"); m_Controls->m_TrackingStart->setToolTip("No Q-Ball image selected."); m_Controls->m_TrackingStop->setToolTip(""); } else { m_Controls->m_TrackingStop->setEnabled(true); m_Controls->m_TrackingStart->setEnabled(false); m_Controls->m_LoadTrackingParameters->setEnabled(false); m_Controls->m_MaskFrame->setEnabled(false); + m_Controls->m_GfaFrame->setEnabled(false); m_Controls->m_IterationsSlider->setEnabled(false); m_Controls->m_AdvancedFrame->setEnabled(false); m_Controls->m_AdvancedFrame->setVisible(false); m_Controls->m_AdvancedSettingsCheckbox->setChecked(false); m_Controls->m_TrackingStart->setToolTip("Tracking in progress."); m_Controls->m_TrackingStop->setToolTip("Stop tracking and display results."); } } // show/hide advanced settings frame void QmitkGibbsTrackingView::AdvancedSettings() { m_Controls->m_AdvancedFrame->setVisible(m_Controls->m_AdvancedSettingsCheckbox->isChecked()); } // set mask image data node void QmitkGibbsTrackingView::SetMask() { std::vector nodes = GetDataManagerSelection(); if (nodes.empty()) { m_MaskImageNode = NULL; m_Controls->m_MaskImageEdit->setText("N/A"); return; } for( std::vector::iterator it = nodes.begin(); it != nodes.end(); ++it ) { mitk::DataNode::Pointer node = *it; if (node.IsNotNull() && dynamic_cast(node->GetData())) { m_MaskImageNode = node; m_Controls->m_MaskImageEdit->setText(node->GetName().c_str()); return; } } } // set gfa image data node void QmitkGibbsTrackingView::SetGfaImage() { std::vector nodes = GetDataManagerSelection(); if (nodes.empty()) { m_GfaImageNode = NULL; m_Controls->m_GfaImageEdit->setText("N/A"); return; } for( std::vector::iterator it = nodes.begin(); it != nodes.end(); ++it ) { mitk::DataNode::Pointer node = *it; if (node.IsNotNull() && dynamic_cast(node->GetData())) { m_GfaImageNode = node; m_Controls->m_GfaImageEdit->setText(node->GetName().c_str()); return; } } } // cast image to float template void QmitkGibbsTrackingView::CastToFloat(InputImageType* image, mitk::Image::Pointer outImage) { typedef itk::CastImageFilter ItkCastFilter; typename ItkCastFilter::Pointer itkCaster = ItkCastFilter::New(); itkCaster->SetInput(image); itkCaster->Update(); outImage->InitializeByItk(itkCaster->GetOutput()); outImage->SetVolume(itkCaster->GetOutput()->GetBufferPointer()); } // check for mask and qbi and start tracking thread void QmitkGibbsTrackingView::StartGibbsTracking() { if(m_ThreadIsRunning) { MITK_WARN("QmitkGibbsTrackingView")<<"Thread already running!"; return; } if (!m_QBallSelected) { // Nothing selected. Inform the user and return QMessageBox::information( NULL, "Template", "Please load and select a qball image before starting image processing."); return; } // a node itself is not very useful, we need its data item (the image) mitk::BaseData* data = m_QBallImageNode->GetData(); if (!data) return; // test if this data item is an image or not (could also be a surface or something totally different) m_QBallImage = dynamic_cast( data ); if (m_QBallImage.IsNull()) return; // cast qbi to itk m_ItkQBallImage = ItkQBallImgType::New(); mitk::CastToItkImage(m_QBallImage, m_ItkQBallImage); // mask image found? - try{ if(m_Controls->m_MaskImageEdit->text().compare("N/A") != 0) { m_MaskImage = 0; if (dynamic_cast(m_MaskImageNode->GetData())) mitk::CastToItkImage(dynamic_cast(m_MaskImageNode->GetData()), m_MaskImage); } - } - catch(...) - { - QMessageBox::warning(NULL, "Alarm", "Alarm"); - } // if no mask image is selected generate it if( m_MaskImage.IsNull() ) { m_MaskImage = MaskImgType::New(); m_MaskImage->SetSpacing( m_ItkQBallImage->GetSpacing() ); // Set the image spacing m_MaskImage->SetOrigin( m_ItkQBallImage->GetOrigin() ); // Set the image origin m_MaskImage->SetDirection( m_ItkQBallImage->GetDirection() ); // Set the image direction m_MaskImage->SetLargestPossibleRegion( m_ItkQBallImage->GetLargestPossibleRegion()); m_MaskImage->SetBufferedRegion( m_ItkQBallImage->GetLargestPossibleRegion() ); m_MaskImage->Allocate(); itk::ImageRegionIterator it (m_MaskImage, m_MaskImage->GetLargestPossibleRegion() ); for (it = it.Begin(); !it.IsAtEnd(); ++it) { it.Set(1); } } // gfa image found? if(m_Controls->m_GfaImageEdit->text().compare("N/A") != 0) { m_GfaImage = 0; if (dynamic_cast(m_GfaImageNode->GetData())) mitk::CastToItkImage(dynamic_cast(m_GfaImageNode->GetData()), m_GfaImage); } unsigned int steps = m_Iterations/10000; if (steps<10) steps = 10; m_LastStep = 0; mitk::ProgressBar::GetInstance()->AddStepsToDo(steps); // start worker thread m_TrackingThread.start(QThread::LowestPriority); } // generate mitkFiberBundle from tracking filter output void QmitkGibbsTrackingView::GenerateFiberBundle() { if (m_GlobalTracker.IsNull() || m_ItkQBallImage.IsNull() || m_QBallImage.IsNull() || (!m_Controls->m_VisualizationCheckbox->isChecked() && m_ThreadIsRunning)) return; m_FiberBundle = mitk::FiberBundle::New(); typedef std::vector< itk::Point > FiberTractType; typedef std::vector< FiberTractType > FiberBundleType; FiberBundleType* fiberBundle = m_GlobalTracker->GetFiberBundle(); for (int i=0; isize(); i++) { FiberTractType* tract = &fiberBundle->at(i); for (int j=0; jsize(); j++) m_FiberBundle->PushPoint(i, tract->at(j)); } m_FiberBundle->initFiberGroup(); float bounds[] = {0,0,0}; bounds[0] = m_ItkQBallImage->GetLargestPossibleRegion().GetSize().GetElement(0); bounds[1] = m_ItkQBallImage->GetLargestPossibleRegion().GetSize().GetElement(1); bounds[2] = m_ItkQBallImage->GetLargestPossibleRegion().GetSize().GetElement(2); m_FiberBundle->SetBounds(bounds); m_FiberBundle->SetGeometry(m_QBallImage->GetGeometry()); if (m_FiberBundleNode.IsNotNull()){ GetDefaultDataStorage()->Remove(m_FiberBundleNode); m_FiberBundleNode = 0; } m_FiberBundleNode = mitk::DataNode::New(); m_FiberBundleNode->SetData(m_FiberBundle); QString name(m_QBallImageNode->GetName().c_str()); name += "_FiberBundle"; m_FiberBundleNode->SetName(name.toStdString()); m_FiberBundleNode->SetVisibility(true); if(m_QBallImageNode.IsNull()) GetDataStorage()->Add(m_FiberBundleNode); else GetDataStorage()->Add(m_FiberBundleNode, m_QBallImageNode); } // save current tracking paramters as xml file (.gtp) void QmitkGibbsTrackingView::SaveTrackingParameters() { TiXmlDocument documentXML; TiXmlDeclaration* declXML = new TiXmlDeclaration( "1.0", "", "" ); documentXML.LinkEndChild( declXML ); TiXmlElement* mainXML = new TiXmlElement("global_tracking_parameter_file"); mainXML->SetAttribute("file_version", "0.1"); documentXML.LinkEndChild(mainXML); TiXmlElement* paramXML = new TiXmlElement("parameter_set"); paramXML->SetAttribute("iterations", m_Iterations); paramXML->SetAttribute("particle_length", QString::number((float)m_Controls->m_ParticleLengthSlider->value()/10).toStdString()); paramXML->SetAttribute("particle_width", QString::number((float)m_Controls->m_ParticleWidthSlider->value()/10).toStdString()); paramXML->SetAttribute("particle_weight", QString::number((float)m_Controls->m_ParticleWeightSlider->value()/10000).toStdString()); paramXML->SetAttribute("temp_start", QString::number((float)m_Controls->m_StartTempSlider->value()/100).toStdString()); paramXML->SetAttribute("temp_end", QString::number((float)m_Controls->m_EndTempSlider->value()/10000).toStdString()); paramXML->SetAttribute("inexbalance", QString::number((float)m_Controls->m_InExBalanceSlider->value()/10).toStdString()); paramXML->SetAttribute("fiber_length", QString::number(m_Controls->m_FiberLengthSlider->value()).toStdString()); mainXML->LinkEndChild(paramXML); QString filename = QFileDialog::getSaveFileName( 0, tr("Save Parameters"), QDir::currentPath()+"/param.gtp", tr("Global Tracking Parameters (*.gtp)") ); if(filename.isEmpty() || filename.isNull()) return; if(!filename.endsWith(".gtp")) filename += ".gtp"; documentXML.SaveFile( filename.toStdString() ); } void QmitkGibbsTrackingView::UpdateIteraionsGUI(unsigned long iterations) { switch(iterations) { case 10000: m_Controls->m_IterationsSlider->setValue(0); m_Controls->m_IterationsLabel->setText("Iterations: 10^4"); break; case 50000: m_Controls->m_IterationsSlider->setValue(1); m_Controls->m_IterationsLabel->setText("Iterations: 5x10^4"); break; case 100000: m_Controls->m_IterationsSlider->setValue(2); m_Controls->m_IterationsLabel->setText("Iterations: 10^5"); break; case 500000: m_Controls->m_IterationsSlider->setValue(3); m_Controls->m_IterationsLabel->setText("Iterations: 5x10^5"); break; case 1000000: m_Controls->m_IterationsSlider->setValue(4); m_Controls->m_IterationsLabel->setText("Iterations: 10^6"); break; case 5000000: m_Controls->m_IterationsSlider->setValue(5); m_Controls->m_IterationsLabel->setText("Iterations: 5x10^6"); break; case 10000000: m_Controls->m_IterationsSlider->setValue(6); m_Controls->m_IterationsLabel->setText("Iterations: 10^7"); break; case 50000000: m_Controls->m_IterationsSlider->setValue(7); m_Controls->m_IterationsLabel->setText("Iterations: 5x10^7"); break; case 100000000: m_Controls->m_IterationsSlider->setValue(8); m_Controls->m_IterationsLabel->setText("Iterations: 10^8"); break; case 500000000: m_Controls->m_IterationsSlider->setValue(9); m_Controls->m_IterationsLabel->setText("Iterations: 5x10^8"); break; case 1000000000: m_Controls->m_IterationsSlider->setValue(10); m_Controls->m_IterationsLabel->setText("Iterations: 10^9"); break; case 5000000000: m_Controls->m_IterationsSlider->setValue(11); m_Controls->m_IterationsLabel->setText("Iterations: 5x10^9"); break; } } // load current tracking paramters from xml file (.gtp) void QmitkGibbsTrackingView::LoadTrackingParameters() { QString filename = QFileDialog::getOpenFileName(0, tr("Load Parameters"), QDir::currentPath(), tr("Global Tracking Parameters (*.gtp)") ); if(filename.isEmpty() || filename.isNull()) return; TiXmlDocument doc( filename.toStdString() ); doc.LoadFile(); TiXmlHandle hDoc(&doc); TiXmlElement* pElem; TiXmlHandle hRoot(0); pElem = hDoc.FirstChildElement().Element(); hRoot = TiXmlHandle(pElem); pElem = hRoot.FirstChildElement("parameter_set").Element(); QString iterations(pElem->Attribute("iterations")); m_Iterations = iterations.toULong(); UpdateIteraionsGUI(m_Iterations); QString particleLength(pElem->Attribute("particle_length")); float pLength = particleLength.toFloat(); QString particleWidth(pElem->Attribute("particle_width")); float pWidth = particleWidth.toFloat(); if (pLength==0) m_Controls->m_ParticleLengthLabel->setText("auto"); else m_Controls->m_ParticleLengthLabel->setText(particleLength+" mm"); if (pWidth==0) m_Controls->m_ParticleWidthLabel->setText("auto"); else m_Controls->m_ParticleWidthLabel->setText(particleWidth+" mm"); m_Controls->m_ParticleWidthSlider->setValue(pWidth*10); m_Controls->m_ParticleLengthSlider->setValue(pLength*10); QString partWeight(pElem->Attribute("particle_weight")); m_Controls->m_ParticleWeightSlider->setValue(partWeight.toFloat()*10000); m_Controls->m_ParticleWeightLabel->setText(partWeight); QString startTemp(pElem->Attribute("temp_start")); m_Controls->m_StartTempSlider->setValue(startTemp.toFloat()*100); m_Controls->m_StartTempLabel->setText(startTemp); QString endTemp(pElem->Attribute("temp_end")); m_Controls->m_EndTempSlider->setValue(endTemp.toFloat()*10000); m_Controls->m_EndTempLabel->setText(endTemp); QString inExBalance(pElem->Attribute("inexbalance")); m_Controls->m_InExBalanceSlider->setValue(inExBalance.toFloat()*10); m_Controls->m_InExBalanceLabel->setText(inExBalance); QString fiberLength(pElem->Attribute("fiber_length")); m_Controls->m_FiberLengthSlider->setValue(fiberLength.toInt()); m_Controls->m_FiberLengthLabel->setText(fiberLength); } diff --git a/Modules/Bundles/org.mitk.gui.qt.diffusionimaging/src/internal/QmitkGibbsTrackingViewControls.ui b/Modules/Bundles/org.mitk.gui.qt.diffusionimaging/src/internal/QmitkGibbsTrackingViewControls.ui index ef7e703f46..75182a03ba 100644 --- a/Modules/Bundles/org.mitk.gui.qt.diffusionimaging/src/internal/QmitkGibbsTrackingViewControls.ui +++ b/Modules/Bundles/org.mitk.gui.qt.diffusionimaging/src/internal/QmitkGibbsTrackingViewControls.ui @@ -1,996 +1,996 @@ QmitkGibbsTrackingViewControls 0 0 463 1011 0 0 0 0 QmitkTemplate 0 3 0 3 0 false 0 0 true false QFrame::NoFrame QFrame::Raised QFormLayout::AllNonFixedFieldsGrow 0 4 0 Mask Image Mask image. Particles will be sampled with a probability according to the voxel value. QFrame::StyledPanel QFrame::Raised 0 true => true N/A true Iterations: 10^7 true Visualize Tractography true Advanced Settings true QFrame::StyledPanel QFrame::Raised 0 4 0 auto Qt::AlignLeading|Qt::AlignLeft|Qt::AlignVCenter auto = 1.5 * min. spacing; l 100 1 Qt::Horizontal QSlider::NoTicks auto Qt::AlignLeading|Qt::AlignLeft|Qt::AlignVCenter auto = 0.5 * min. spacing; sigma 100 1 Qt::Horizontal QSlider::NoTicks - 0.001 + auto Qt::AlignLeading|Qt::AlignLeft|Qt::AlignVCenter unitless w 0 1000 1 - 10 + 0 Qt::Horizontal true QSlider::NoTicks 0.1 Qt::AlignLeading|Qt::AlignLeft|Qt::AlignVCenter 1 100 1 10 Qt::Horizontal false false QSlider::NoTicks 0.001 Qt::AlignLeading|Qt::AlignLeft|Qt::AlignVCenter 1 99 1 10 Qt::Horizontal QSlider::NoTicks 0 Qt::AlignLeading|Qt::AlignLeft|Qt::AlignVCenter IE Bias < 0 < EE Bias -50 50 1 Qt::Horizontal QSlider::NoTicks 10 Qt::AlignLeading|Qt::AlignLeft|Qt::AlignVCenter Only fibers containing more than the specified number of particles are accepted. 100 1 10 Qt::Horizontal QSlider::NoTicks Particle Length: Particle Width: Particle Weight: Start Temperature: End Temperature: Balance In/Ex Energy: Min. Fiber Length: true Use mean subtracted ODFs (recommended). Subtract ODF Mean true Qt::Horizontal QSizePolicy::Fixed 60 20 true Save current parameters as xml (.gtp) Qt::LeftToRight Save Parameters :/qmitk/btnMoveDown.png:/qmitk/btnMoveDown.png true Load parameters from xml file (.gtp) Qt::LeftToRight Load Parameters :/qmitk/btnMoveUp.png:/qmitk/btnMoveUp.png Specify number of iterations for the tracking algorithm. 11 6 Qt::Horizontal QSlider::TicksBelow false No Q-Ball image selected. Qt::LeftToRight Start Tractography :/qmitk/play.xpm:/qmitk/play.xpm false Qt::LeftToRight Stop Tractography :/qmitk/stop.xpm:/qmitk/stop.xpm GFA Image - + - Mask image. Particles will be sampled with a probability according to the voxel value. + Only needed for automatic particle weight estimation. QFrame::StyledPanel QFrame::Raised 0 true => true N/A true 0 0 0 0 QFrame::StyledPanel QFrame::Raised 0 7 0 Will only be updated if tracking is visualized Will only be updated if tracking is visualized Accepted Fibers: Will only be updated if tracking is visualized - Progress: - Connections: Particles: - - Tracking Time: - Proposal Acceptance Rate: - Qt::Vertical QSizePolicy::Expanding 0 0 diff --git a/Modules/DiffusionImaging/Tractography/itkGibbsTrackingFilter.cpp b/Modules/DiffusionImaging/Tractography/itkGibbsTrackingFilter.cpp index 3a36726d24..536f148761 100644 --- a/Modules/DiffusionImaging/Tractography/itkGibbsTrackingFilter.cpp +++ b/Modules/DiffusionImaging/Tractography/itkGibbsTrackingFilter.cpp @@ -1,579 +1,549 @@ #include "itkGibbsTrackingFilter.h" #include #include #include "itkPointShell.h" #include "GibbsTracking/BuildFibres.cpp" #pragma GCC visibility push(default) #include #pragma GCC visibility pop #include #include #include #include #include #include #include "GibbsTracking/reparametrize_arclen2.cpp" #include #include #include struct LessDereference { template bool operator()(const T * lhs, const T * rhs) const { return *lhs < *rhs; } }; namespace itk{ template< class TInputOdfImage, class TInputROIImage > GibbsTrackingFilter< TInputOdfImage, TInputROIImage > ::GibbsTrackingFilter(): m_TempStart(0.1), m_TempEnd(0.001), m_NumIt(500000), m_ParticleWeight(0), m_ParticleWidth(0), m_ParticleLength(0), m_ChempotConnection(10), m_ChempotParticle(0), m_InexBalance(0), m_Chempot2(0.2), m_FiberLength(10), m_AbortTracking(false), m_NumConnections(0), m_NumParticles(0), m_NumAcceptedFibers(0), m_CurrentStep(0), m_SubtractMean(true), m_BuildFibers(false), m_Sampler(NULL), m_Steps(10), m_Memory(0), m_ProposalAcceptance(0), m_GfaImage(NULL) { //this->m_MeasurementFrame.set_identity(); this->SetNumberOfRequiredInputs(2); //Filter needs a DWI image + a Mask Image } template< class TInputOdfImage, class TInputROIImage > GibbsTrackingFilter< TInputOdfImage, TInputROIImage > ::~GibbsTrackingFilter(){ delete BESSEL_APPROXCOEFF; if (m_Sampler!=NULL) delete m_Sampler; } template< class TInputOdfImage, class TInputROIImage > void GibbsTrackingFilter< TInputOdfImage, TInputROIImage > ::ComputeFiberCorrelation(){ // float bD = 15; // vnl_matrix_fixed bDir = // *itk::PointShell >::DistributePointShell(); // const int N = QBALL_ODFSIZE; // vnl_matrix_fixed temp = bDir.transpose(); // vnl_matrix_fixed C = temp*bDir; // vnl_matrix_fixed Q = C; // vnl_vector_fixed mean; // for(int i=0; i repMean; // for (int i=0; i P = Q*Q; // std::vector pointer; // pointer.reserve(N*N); // double * start = C.data_block(); // double * end = start + N*N; // for (double * iter = start; iter != end; ++iter) // { // pointer.push_back(iter); // } // std::sort(pointer.begin(), pointer.end(), LessDereference()); // vnl_vector_fixed alpha; // vnl_vector_fixed beta; // for (int i=0; im_Meanval_sq = (sum*sum)/N; // vnl_vector_fixed alpha_0; // vnl_vector_fixed alpha_2; // vnl_vector_fixed alpha_4; // vnl_vector_fixed alpha_6; // for(int i=0; i T; // T.set_column(0,alpha_0); // T.set_column(1,alpha_2); // T.set_column(2,alpha_4); // T.set_column(3,alpha_6); // vnl_vector_fixed coeff = vnl_matrix_inverse(T).pinverse()*beta; // MITK_INFO << "Bessel oefficients: " << coeff; BESSEL_APPROXCOEFF = new float[4]; // BESSEL_APPROXCOEFF[0] = coeff(0); // BESSEL_APPROXCOEFF[1] = coeff(1); // BESSEL_APPROXCOEFF[2] = coeff(2); // BESSEL_APPROXCOEFF[3] = coeff(3); BESSEL_APPROXCOEFF[0] = -0.1714; BESSEL_APPROXCOEFF[1] = 0.5332; BESSEL_APPROXCOEFF[2] = -1.4889; BESSEL_APPROXCOEFF[3] = 2.0389; } // build fibers from tracking result template< class TInputOdfImage, class TInputROIImage > void GibbsTrackingFilter< TInputOdfImage, TInputROIImage > ::BuildFibers(float* points, int numPoints) { MITK_INFO << "Building fibers ..."; typename InputQBallImageType::Pointer odfImage = dynamic_cast(this->GetInput(0)); double spacing[3]; spacing[0] = odfImage->GetSpacing().GetElement(0); spacing[1] = odfImage->GetSpacing().GetElement(1); spacing[2] = odfImage->GetSpacing().GetElement(2); // initialize array of particles CCAnalysis ccana(points, numPoints, spacing); // label the particles according to fiber affiliation and return number of fibers int numFibers = ccana.iterate(m_FiberLength); if (numFibers<=0){ MITK_INFO << "0 fibers accepted"; return; } // fill output datastructure m_FiberBundle.clear(); for (int i = 0; i < numFibers; i++) { vector< Particle* >* particleContainer = ccana.m_FiberContainer->at(i); // resample fibers std::vector< Particle* >* pCon = ResampleFibers(particleContainer, 0.9*spacing[0]); FiberTractType tract; for (int j=0; jsize(); j++) { Particle* particle = pCon->at(j); pVector p = particle->R; itk::Point point; point[0] = p[0]-0.5; point[1] = p[1]-0.5; point[2] = p[2]-0.5; tract.push_back(point); delete(particle); } m_FiberBundle.push_back(tract); delete(pCon); } m_NumAcceptedFibers = numFibers; MITK_INFO << "itkGibbsTrackingFilter: " << numFibers << " fibers accepted"; } // fill output fiber bundle datastructure template< class TInputOdfImage, class TInputROIImage > typename GibbsTrackingFilter< TInputOdfImage, TInputROIImage >::FiberBundleType* GibbsTrackingFilter< TInputOdfImage, TInputROIImage > ::GetFiberBundle() { if (!m_AbortTracking) { m_BuildFibers = true; while (m_BuildFibers){} } return &m_FiberBundle; } // get memory allocated for particle grid template< class TInputOdfImage, class TInputROIImage > float GibbsTrackingFilter< TInputOdfImage, TInputROIImage > ::GetMemoryUsage() { if (m_Sampler!=NULL) return m_Sampler->m_ParticleGrid.GetMemoryUsage(); return 0; } template< class TInputOdfImage, class TInputROIImage > bool GibbsTrackingFilter< TInputOdfImage, TInputROIImage > ::EstimateParticleWeight(){ if (m_GfaImage.IsNull()) return false; float samplingStart = 1.0; float samplingStopUpper = 0.66; float samplingStopLower = 0.33; typedef itk::RescaleIntensityImageFilter< GfaImageType, GfaImageType > RescaleFilterType; RescaleFilterType::Pointer rescaleFilter = RescaleFilterType::New(); rescaleFilter->SetInput( m_GfaImage ); rescaleFilter->SetOutputMaximum( samplingStart ); rescaleFilter->SetOutputMinimum( 0 ); + rescaleFilter->Update(); m_GfaImage = rescaleFilter->GetOutput(); //// Input iterator //// typedef ImageRegionConstIterator< InputQBallImageType > InputIteratorType; InputIteratorType git(m_ItkQBallImage, m_ItkQBallImage->GetLargestPossibleRegion() ); //// GFA iterator //// typedef ImageRegionConstIterator< GfaImageType > GfaIteratorType; GfaIteratorType gfaIt(m_GfaImage, m_GfaImage->GetLargestPossibleRegion() ); - int buff = m_GfaImage->GetLargestPossibleRegion().GetSize().GetElement(0)*m_GfaImage->GetLargestPossibleRegion().GetSize().GetElement(1)*m_GfaImage->GetLargestPossibleRegion().GetSize().GetElement(2); - float* buffer = (float*)m_GfaImage->GetBufferPointer(); - MITK_INFO << "image size: " << buff; - for (int i=0; isamplingStopUpper; thr-=0.01) -// { -// git.GoToBegin(); -// gfaIt.GoToBegin(); -// while( !gfaIt.IsAtEnd() ) -// { -// MITK_INFO << gfaIt.Get(); -//// if(gfaIt.Get() > thr) -//// { -//// itk::OrientationDistributionFunction odf(git.Get().GetDataPointer()); -//// upper += odf.GetMaxValue()-odf.GetMeanValue(); - -//// ++count; -//// } -// ++gfaIt; -// ++git; -// } -// } -// if (count>0) -// upper /= count; -// else -// return false; - -// float lower = 0; -// count = 0; -// for(float thr=0; thr>samplingStopLower; thr+=0.01) -// { -// git.GoToBegin(); -// gfaIt.GoToBegin(); -// while( !gfaIt.IsAtEnd() ) -// { -// if(gfaIt.Get() < thr) -// { -// itk::OrientationDistributionFunction odf(git.Get().GetDataPointer()); -// lower += odf.GetMaxValue(); - -// ++count; -// } -// ++gfaIt; -// ++git; -// } -// } -// if (count>0) -// lower /= count; -// else -// return false; + int count = 0; + for(float thr=samplingStart; thr>samplingStopUpper; thr-=0.01) + { + git.GoToBegin(); + gfaIt.GoToBegin(); + while( !gfaIt.IsAtEnd() ) + { + if(gfaIt.Get() > thr) + { + itk::OrientationDistributionFunction odf(git.Get().GetDataPointer()); + upper += odf.GetMaxValue()-odf.GetMeanValue(); + + ++count; + } + ++gfaIt; + ++git; + } + } + if (count>0) + upper /= count; + else + return false; - m_ParticleWeight = upper; + m_ParticleWeight = upper/10; return true; } // perform global tracking template< class TInputOdfImage, class TInputROIImage > void GibbsTrackingFilter< TInputOdfImage, TInputROIImage > ::GenerateData(){ // input qball image m_ItkQBallImage = dynamic_cast(this->GetInput(0)); // approximationscoeffizienten der // teilchenkorrelationen im orientierungsraum // 4er vektor ComputeFiberCorrelation(); // image sizes and spacing int qBallImageSize[4] = {QBALL_ODFSIZE, m_ItkQBallImage->GetLargestPossibleRegion().GetSize().GetElement(0), m_ItkQBallImage->GetLargestPossibleRegion().GetSize().GetElement(1), m_ItkQBallImage->GetLargestPossibleRegion().GetSize().GetElement(2)}; double qBallImageSpacing[3] = {m_ItkQBallImage->GetSpacing().GetElement(0),m_ItkQBallImage->GetSpacing().GetElement(1),m_ItkQBallImage->GetSpacing().GetElement(2)}; // make sure image has enough slices if (qBallImageSize[1]<3 || qBallImageSize[2]<3 || qBallImageSize[3]<3) { MITK_INFO << "image size < 3 not supported"; return; } // calculate rotation matrix vnl_matrix_fixed directionMatrix = m_ItkQBallImage->GetDirection().GetVnlMatrix(); vnl_vector_fixed d0 = directionMatrix.get_column(0); d0.normalize(); vnl_vector_fixed d1 = directionMatrix.get_column(1); d1.normalize(); vnl_vector_fixed d2 = directionMatrix.get_column(2); d2.normalize(); directionMatrix.set_column(0, d0); directionMatrix.set_column(1, d1); directionMatrix.set_column(2, d2); vnl_matrix_fixed I = directionMatrix*directionMatrix.transpose(); if(!I.is_identity(mitk::eps)){ MITK_INFO << "Image direction is not a rotation matrix. Tracking not possible!"; return; } // generate local working copy of image buffer int bufferSize = qBallImageSize[0]*qBallImageSize[1]*qBallImageSize[2]*qBallImageSize[3]; float* qBallImageBuffer = (float*) m_ItkQBallImage->GetBufferPointer(); float* workingQballImage = new float[bufferSize]; for (int i=0; i0 && i%qBallImageSize[0] == 0 && i>0) { sum /= qBallImageSize[0]; for (int j=i-qBallImageSize[0]; jGetBufferPointer(); maskImageSize[0] = m_MaskImage->GetLargestPossibleRegion().GetSize().GetElement(0); maskImageSize[1] = m_MaskImage->GetLargestPossibleRegion().GetSize().GetElement(1); maskImageSize[2] = m_MaskImage->GetLargestPossibleRegion().GetSize().GetElement(2); } else { mask = 0; maskImageSize[0] = qBallImageSize[1]; maskImageSize[1] = qBallImageSize[2]; maskImageSize[2] = qBallImageSize[3]; } int mask_oversamp_mult = maskImageSize[0]/qBallImageSize[1]; // load lookuptable ifstream BaryCoords; #ifdef CMAKE_INTDIR BaryCoords.open("../FiberTrackingLUTBaryCoords.bin", ios::in | ios::binary); #else BaryCoords.open("FiberTrackingLUTBaryCoords.bin", ios::in | ios::binary); #endif float* coords; if (BaryCoords.is_open()) { float tmp; coords = new float [1630818]; BaryCoords.seekg (0, ios::beg); for (int i=0; i<1630818; i++) { BaryCoords.read((char *)&tmp, sizeof(tmp)); coords[i] = tmp; } BaryCoords.close(); } else { MITK_INFO << "Unable to open barycoords file"; return; } ifstream Indices; #ifdef CMAKE_INTDIR Indices.open("../FiberTrackingLUTIndices.bin", ios::in | ios::binary); #else Indices.open("FiberTrackingLUTIndices.bin", ios::in | ios::binary); #endif int* ind; if (Indices.is_open()) { int tmp; ind = new int [1630818]; Indices.seekg (0, ios::beg); for (int i=0; i<1630818; i++) { Indices.read((char *)&tmp, 4); ind[i] = tmp; } Indices.close(); } else { MITK_INFO << "Unable to open indices file"; return; } // initialize sphere interpolator with lookuptables SphereInterpolator *sinterp = new SphereInterpolator(coords, ind, QBALL_ODFSIZE, 301, 0.5); // get paramters float minSpacing; if(qBallImageSpacing[0]m_NumIt) { MITK_INFO << "not enough iterations!"; return; } unsigned long singleIts = (unsigned long)((1.0*m_NumIt) / (1.0*m_Steps)); // setup metropolis hastings sampler MITK_INFO << "itkGibbsTrackingFilter: setting up MH-sampler"; if (m_Sampler!=NULL) delete m_Sampler; m_Sampler = new RJMCMC(NULL, 0, workingQballImage, qBallImageSize, qBallImageSpacing, cellsize); // setup energy computer MITK_INFO << "itkGibbsTrackingFilter: setting up Energy-computer"; EnergyComputer encomp(workingQballImage,qBallImageSize,qBallImageSpacing,sinterp,&(m_Sampler->m_ParticleGrid),mask,mask_oversamp_mult, directionMatrix); encomp.setParameters(m_ParticleWeight,m_ParticleWidth,m_ChempotConnection*m_ParticleLength*m_ParticleLength,m_ParticleLength,curvatureHardThreshold,m_InexBalance,m_Chempot2); m_Sampler->SetEnergyComputer(&encomp); m_Sampler->SetParameters(m_TempStart,singleIts,m_ParticleLength,curvatureHardThreshold,m_ChempotParticle); // main loop for( int step = 0; step < m_Steps; step++ ) { if (m_AbortTracking) break; m_CurrentStep = step+1; float temperature = m_TempStart * exp(alpha*(((1.0)*step)/((1.0)*m_Steps))); MITK_INFO << "iterating step " << m_CurrentStep; m_Sampler->SetTemperature(temperature); m_Sampler->Iterate(&m_ProposalAcceptance, &m_NumConnections, &m_NumParticles, &m_AbortTracking); MITK_INFO << "proposal acceptance: " << 100*m_ProposalAcceptance << "%"; MITK_INFO << "particles: " << m_NumParticles; MITK_INFO << "connections: " << m_NumConnections; MITK_INFO << "progress: " << 100*(float)step/m_Steps << "%"; if (m_BuildFibers) { int numPoints = m_Sampler->m_ParticleGrid.pcnt; float* points = new float[numPoints*m_Sampler->m_NumAttributes]; m_Sampler->WriteOutParticles(points); BuildFibers(points, numPoints); delete points; m_BuildFibers = false; } } int numPoints = m_Sampler->m_ParticleGrid.pcnt; float* points = new float[numPoints*m_Sampler->m_NumAttributes]; m_Sampler->WriteOutParticles(points); BuildFibers(points, numPoints); delete points; delete sinterp; delete coords; delete ind; delete workingQballImage; m_AbortTracking = true; m_BuildFibers = false; MITK_INFO << "done generate data"; } } diff --git a/Modules/DiffusionImaging/Tractography/itkGibbsTrackingFilter.h b/Modules/DiffusionImaging/Tractography/itkGibbsTrackingFilter.h index 2027955995..f9efb030ab 100644 --- a/Modules/DiffusionImaging/Tractography/itkGibbsTrackingFilter.h +++ b/Modules/DiffusionImaging/Tractography/itkGibbsTrackingFilter.h @@ -1,171 +1,171 @@ #ifndef itkGibbsTrackingFilter_h #define itkGibbsTrackingFilter_h #include "itkProcessObject.h" #include "itkVectorContainer.h" #include "itkImage.h" #include "GibbsTracking/pcRJMCMC.cpp" #include "GibbsTracking/auxilary_classes.cpp" #include namespace itk{ template< class TInputQBallImage, class TInputROIImage > class GibbsTrackingFilter : public ProcessObject{ public: typedef GibbsTrackingFilter Self; typedef ProcessObject Superclass; typedef SmartPointer< Self > Pointer; typedef SmartPointer< const Self > ConstPointer; itkNewMacro(Self); itkTypeMacro( GibbsTrackingFilter, ProcessObject ); /** Types for the DWI Input Image **/ typedef TInputQBallImage InputQBallImageType; /** Types for the Mask Image **/ typedef TInputROIImage MaskImageType; typedef typename MaskImageType::Pointer MaskImageTypePointer; typedef std::vector< itk::Point > FiberTractType; typedef std::vector< FiberTractType > FiberBundleType; typedef Image< float, 3 > GfaImageType; typedef typename GfaImageType::Pointer GfaImageTypePointer; itkSetMacro( TempStart, float ); itkGetMacro( TempStart, float ); itkSetMacro( TempEnd, float ); itkGetMacro( TempEnd, float ); itkSetMacro( NumIt, int ); itkGetMacro( NumIt, int ); itkSetMacro( ParticleWeight, float ); itkGetMacro( ParticleWeight, float ); /** width of particle sigma (std-dev of gaussian around center) **/ itkSetMacro( ParticleWidth, float ); itkGetMacro( ParticleWidth, float ); /** length of particle from midpoint to ends **/ itkSetMacro( ParticleLength, float ); itkGetMacro( ParticleLength, float ); itkSetMacro( ChempotConnection, float ); itkGetMacro( ChempotConnection, float ); itkSetMacro( ChempotParticle, float ); itkGetMacro( ChempotParticle, float ); itkSetMacro( InexBalance, float ); itkGetMacro( InexBalance, float ); itkSetMacro( Chempot2, float ); itkGetMacro( Chempot2, float ); itkSetMacro( FiberLength, int ); itkGetMacro( FiberLength, int ); itkSetMacro( AbortTracking, bool ); itkGetMacro( AbortTracking, bool ); itkSetMacro( CurrentStep, unsigned long ); itkGetMacro( CurrentStep, unsigned long ); itkSetMacro( SubtractMean, bool); itkGetMacro( SubtractMean, bool); /** Set/Get the Odf Input Image **/ itkSetInputMacro(OdfImage, InputQBallImageType, 0); itkGetInputMacro(OdfImage, InputQBallImageType, 0); /** Set/Get the Input mask image **/ itkSetMacro(MaskImage, MaskImageTypePointer); itkGetMacro(MaskImage, MaskImageTypePointer); itkSetMacro(GfaImage, GfaImageTypePointer); itkGetMacro(GfaImage, GfaImageTypePointer); itkGetMacro(NumParticles, unsigned long); itkGetMacro(NumConnections, unsigned long); itkGetMacro(NumAcceptedFibers, int); itkGetMacro(ProposalAcceptance, float); itkGetMacro(Steps, unsigned int); /** Entry Point For the Algorithm: Is invoked when Update() is called either directly or through itk pipeline propagation **/ void GenerateData(); /** override the Process Object Update because we don't have a dataobject as an outpgnome themeut. We can change this later by wrapping the tractcontainer in a dataobject decorator and letting the Superclass know about it. **/ struct StochasticTractGenerationCallbackStruct{ Pointer Filter; }; virtual void Update(){ this->GenerateData(); } FiberBundleType* GetFiberBundle(); float GetMemoryUsage(); bool EstimateParticleWeight(); protected: GibbsTrackingFilter(); virtual ~GibbsTrackingFilter(); void ComputeFiberCorrelation(); void BuildFibers(float* points, int numPoints); // Input Images typename InputQBallImageType::Pointer m_ItkQBallImage; typename MaskImageType::Pointer m_MaskImage; - GfaImageTypePointer m_GfaImage; + typename GfaImageType::Pointer m_GfaImage; // Tracking parameters float m_TempStart; // Start temperature float m_TempEnd; // End temperature unsigned long m_NumIt; // Total number of iterations unsigned long m_CurrentStep; // current tracking step float m_ParticleWeight; //w (unitless) float m_ParticleWidth; //sigma (mm) float m_ParticleLength; // ell (mm) float m_ChempotConnection; // gross L (chemisches potential) float m_ChempotParticle;// unbenutzt (immer null, wenn groesser dann insgesamt weniger teilchen) float m_InexBalance; // gewichtung zwischen den lambdas // -5 ... 5 -> nur intern ... nur extern,default 0 float m_Chempot2; // typischerweise 0, // korrektur fuer das geschaetzte integral int m_FiberLength; bool m_AbortTracking; bool m_SubtractMean; int m_NumAcceptedFibers; volatile bool m_BuildFibers; unsigned int m_Steps; float m_Memory; float m_ProposalAcceptance; RJMCMC* m_Sampler; FiberBundleType m_FiberBundle; unsigned long m_NumParticles; unsigned long m_NumConnections; }; } #ifndef ITK_MANUAL_INSTANTIATION #include "itkGibbsTrackingFilter.cpp" #endif #endif