diff --git a/Modules/DiffusionImaging/DiffusionCore/Algorithms/Registration/mitkBatchedRegistration.cpp b/Modules/DiffusionImaging/DiffusionCore/Algorithms/Registration/mitkBatchedRegistration.cpp index 7979afb88d..db5f5cdd9a 100644 --- a/Modules/DiffusionImaging/DiffusionCore/Algorithms/Registration/mitkBatchedRegistration.cpp +++ b/Modules/DiffusionImaging/DiffusionCore/Algorithms/Registration/mitkBatchedRegistration.cpp @@ -1,213 +1,212 @@ #include "mitkBatchedRegistration.h" #include "mitkPyramidImageRegistrationMethod.h" #include "mitkDiffusionImage.h" #include #include #include "itkB0ImageExtractionImageFilter.h" #include #include // VTK #include // DEBUG #include mitk::BatchedRegistration::BatchedRegistration() : m_RegisteredImagesValid(false) { } void mitk::BatchedRegistration::SetFixedImage(mitk::Image::Pointer& fixedImage) { m_FixedImage = fixedImage; } void mitk::BatchedRegistration::SetMovingReferenceImage(Image::Pointer &movingImage) { m_MovingReference = movingImage; m_RegisteredImagesValid = false; } void mitk::BatchedRegistration::SetBatch(std::vector imageBatch) { m_ImageBatch.clear(); m_ImageBatch = imageBatch; } std::vector mitk::BatchedRegistration::GetRegisteredImages() { if (!m_RegisteredImagesValid) { m_RegisteredImages.clear(); // First transform moving reference image RidgidTransformType transf = new double(6); double offset[3]; //GetTransformation(m_FixedImage, m_MovingReference,transf,NULL,offset); // store it as first element in vector // ApplyTransformationToImage(m_MovingReference,transf,NULL,false,offset); m_RegisteredImages.push_back(m_MovingReference); // apply transformation to whole batch std::vector::const_iterator itEnd = m_ImageBatch.end(); for (std::vector::iterator it = m_ImageBatch.begin(); it != itEnd; ++it) { //TODO fixme // ApplyTransformationToImage(*it,transf); m_RegisteredImages.push_back(*it); } } return m_RegisteredImages; } void mitk::BatchedRegistration::ApplyTransformationToImage(mitk::Image::Pointer &img, const mitk::BatchedRegistration::RidgidTransformType &transformation,double* offset, mitk::Image::Pointer resampleReference, bool binary) const { typedef mitk::DiffusionImage DiffusionImageType; mitk::Image::Pointer ref; mitk::PyramidImageRegistrationMethod::Pointer registrationMethod = mitk::PyramidImageRegistrationMethod::New(); registrationMethod->SetTransformToRigid(); if (binary) registrationMethod->SetUseNearestNeighborInterpolation(true); if (resampleReference.IsNotNull()) { registrationMethod->SetFixedImage( resampleReference ); } else { // clone image, to prevent recursive access on resampling .. ref = img->Clone(); registrationMethod->SetFixedImage( ref ); } if (dynamic_cast (img.GetPointer()) == NULL) { - itk::Image::Pointer itkImage = itk::Image::New(); CastToItkImage(img, itkImage); // typedef itk::Euler3DTransform< double > RigidTransformType; RigidTransformType::Pointer rtransform = RigidTransformType::New(); RigidTransformType::ParametersType parameters(RigidTransformType::ParametersDimension); for (int i = 0; i<6;++i) parameters[i] = transformation[i]; rtransform->SetParameters( parameters ); mitk::Point3D origin = itkImage->GetOrigin(); origin[0]-=offset[0]; origin[1]-=offset[1]; origin[2]-=offset[2]; mitk::Point3D newOrigin = rtransform->GetInverseTransform()->TransformPoint(origin); itk::Matrix dir = itkImage->GetDirection(); itk::Matrix transM ( vnl_inverse(rtransform->GetMatrix().GetVnlMatrix())); itk::Matrix newDirection = transM * dir; itkImage->SetOrigin(newOrigin); itkImage->SetDirection(newDirection); GrabItkImageMemory(itkImage, img); } else { DiffusionImageType::Pointer diffImages = dynamic_cast(img.GetPointer()); typedef itk::Euler3DTransform< double > RigidTransformType; RigidTransformType::Pointer rtransform = RigidTransformType::New(); RigidTransformType::ParametersType parameters(RigidTransformType::ParametersDimension); for (int i = 0; i<6;++i) parameters[i] = transformation[i]; rtransform->SetParameters( parameters ); mitk::Point3D b0origin = diffImages->GetVectorImage()->GetOrigin(); b0origin[0]-=offset[0]; b0origin[1]-=offset[1]; b0origin[2]-=offset[2]; mitk::Point3D newOrigin = rtransform->GetInverseTransform()->TransformPoint(b0origin); itk::Matrix dir = diffImages->GetVectorImage()->GetDirection(); itk::Matrix transM ( vnl_inverse(rtransform->GetMatrix().GetVnlMatrix())); itk::Matrix newDirection = transM * dir; diffImages->GetVectorImage()->SetOrigin(newOrigin); diffImages->GetVectorImage()->SetDirection(newDirection); diffImages->Modified(); mitk::DiffusionImageCorrectionFilter::Pointer correctionFilter = mitk::DiffusionImageCorrectionFilter::New(); // For Diff. Images: Need to rotate the gradients correctionFilter->SetImage(diffImages); // works direcrky on input image!! correctionFilter->CorrectDirections(transM.GetVnlMatrix()); img = diffImages; } } void mitk::BatchedRegistration::GetTransformation(mitk::Image::Pointer fixedImage, mitk::Image::Pointer movingImage, RidgidTransformType transformation,double* offset, mitk::Image::Pointer mask) { // Handle case that fixed or moving image is a DWI image mitk::DiffusionImage* fixedDwi = dynamic_cast*> (fixedImage.GetPointer()); mitk::DiffusionImage* movingDwi = dynamic_cast*> (movingImage.GetPointer()); itk::B0ImageExtractionImageFilter::Pointer b0Extraction = itk::B0ImageExtractionImageFilter::New(); offset[0]=offset[1]=offset[2]=0; if (fixedDwi != NULL) { b0Extraction->SetInput(fixedDwi->GetVectorImage()); b0Extraction->SetDirections(fixedDwi->GetDirections()); b0Extraction->Update(); mitk::Image::Pointer tmp = mitk::Image::New(); tmp->InitializeByItk(b0Extraction->GetOutput()); tmp->SetVolume(b0Extraction->GetOutput()->GetBufferPointer()); fixedImage = tmp; } if (movingDwi != NULL) { b0Extraction->SetInput(movingDwi->GetVectorImage()); b0Extraction->SetDirections(movingDwi->GetDirections()); b0Extraction->Update(); mitk::Image::Pointer tmp = mitk::Image::New(); tmp->InitializeByItk(b0Extraction->GetOutput()); tmp->SetVolume(b0Extraction->GetOutput()->GetBufferPointer()); movingImage = tmp; Point3D origin = fixedImage->GetGeometry()->GetOrigin(); Point3D originMoving = movingImage->GetGeometry()->GetOrigin(); offset[0] = originMoving[0]-origin[0]; offset[1] = originMoving[1]-origin[1]; offset[2] = originMoving[2]-origin[2]; movingImage->GetGeometry()->SetOrigin(origin); } // Start registration mitk::PyramidImageRegistrationMethod::Pointer registrationMethod = mitk::PyramidImageRegistrationMethod::New(); registrationMethod->SetFixedImage( fixedImage ); if (mask.IsNotNull()) { registrationMethod->SetFixedImageMask(mask); registrationMethod->SetUseFixedImageMask(true); } else { registrationMethod->SetUseFixedImageMask(false); } registrationMethod->SetTransformToRigid(); registrationMethod->SetCrossModalityOn(); registrationMethod->SetMovingImage(movingImage); registrationMethod->Update(); registrationMethod->GetParameters(transformation); // first three: euler angles, last three translation }