int StartPeakExtraction(int argc, char* argv[])
{
ctkCommandLineParser parser;
parser.setArgumentPrefix("--", "-");
parser.addArgument("image", "i", ctkCommandLineParser::InputFile, "Input image", "sh coefficient image", us::Any(), false);
parser.addArgument("outroot", "o", ctkCommandLineParser::OutputDirectory, "Output directory", "output root", us::Any(), false);
parser.addArgument("mask", "m", ctkCommandLineParser::InputFile, "Mask", "mask image");
parser.addArgument("normalization", "n", ctkCommandLineParser::Int, "Normalization", "0=no norm, 1=max norm, 2=single vec norm", 1, true);
parser.addArgument("numpeaks", "p", ctkCommandLineParser::Int, "Max. number of peaks", "maximum number of extracted peaks", 2, true);
parser.addArgument("peakthres", "r", ctkCommandLineParser::Float, "Peak threshold", "peak threshold relative to largest peak", 0.4, true);
parser.addArgument("abspeakthres", "a", ctkCommandLineParser::Float, "Absolute peak threshold", "absolute peak threshold weighted with local GFA value", 0.06, true);
parser.addArgument("shConvention", "s", ctkCommandLineParser::String, "Use specified SH-basis", "use specified SH-basis (MITK, FSL, MRtrix)", string("MITK"), true);
parser.addArgument("noFlip", "f", ctkCommandLineParser::Bool, "No flip", "do not flip input image to match MITK coordinate convention");
parser.setCategory("Preprocessing Tools");
parser.setTitle("Peak Extraction");
parser.setDescription("");
parser.setContributor("MBI");
map<string, us::Any> parsedArgs = parser.parseArguments(argc, argv);
if (parsedArgs.size()==0)
return EXIT_FAILURE;
// mandatory arguments
string imageName = us::any_cast<string>(parsedArgs["image"]);
string outRoot = us::any_cast<string>(parsedArgs["outroot"]);
// optional arguments
string maskImageName("");
if (parsedArgs.count("mask"))
maskImageName = us::any_cast<string>(parsedArgs["mask"]);
int normalization = 1;
if (parsedArgs.count("normalization"))
normalization = us::any_cast<int>(parsedArgs["normalization"]);
int numPeaks = 2;
if (parsedArgs.count("numpeaks"))
numPeaks = us::any_cast<int>(parsedArgs["numpeaks"]);
float peakThres = 0.4;
if (parsedArgs.count("peakthres"))
peakThres = us::any_cast<float>(parsedArgs["peakthres"]);
float absPeakThres = 0.06;
if (parsedArgs.count("abspeakthres"))
absPeakThres = us::any_cast<float>(parsedArgs["abspeakthres"]);
bool noFlip = false;
if (parsedArgs.count("noFlip"))
noFlip = us::any_cast<bool>(parsedArgs["noFlip"]);
MITK_INFO << "image: " << imageName;
MITK_INFO << "outroot: " << outRoot;
if (!maskImageName.empty())
MITK_INFO << "mask: " << maskImageName;
else
MITK_INFO << "no mask image selected";
MITK_INFO << "numpeaks: " << numPeaks;
MITK_INFO << "peakthres: " << peakThres;
MITK_INFO << "abspeakthres: " << absPeakThres;
MITK_INFO << "shOrder: " << shOrder;
try
{
mitk::Image::Pointer image = LoadData(imageName);
mitk::Image::Pointer mask = LoadData(maskImageName);
typedef itk::Image<unsigned char, 3> ItkUcharImgType;
typedef itk::FiniteDiffOdfMaximaExtractionFilter< float, shOrder, 20242 > MaximaExtractionFilterType;
typename MaximaExtractionFilterType::Pointer filter = MaximaExtractionFilterType::New();
int toolkitConvention = 0;
if (parsedArgs.count("shConvention"))
{
string convention = us::any_cast<string>(parsedArgs["shConvention"]).c_str();
if ( boost::algorithm::equals(convention, "FSL") )
{
toolkitConvention = 1;
MITK_INFO << "Using FSL SH-basis";
}
else if ( boost::algorithm::equals(convention, "MRtrix") )
{
toolkitConvention = 2;
MITK_INFO << "Using MRtrix SH-basis";
}
else
MITK_INFO << "Using MITK SH-basis";
}
else
MITK_INFO << "Using MITK SH-basis";
ItkUcharImgType::Pointer itkMaskImage = NULL;
if (mask.IsNotNull())
{
try{
itkMaskImage = ItkUcharImgType::New();
mitk::CastToItkImage(mask, itkMaskImage);
filter->SetMaskImage(itkMaskImage);
}
catch(...)
{
}
}
if (toolkitConvention>0)
{
MITK_INFO << "Converting coefficient image to MITK format";
typedef itk::ShCoefficientImageImporter< float, shOrder > ConverterType;
typedef mitk::ImageToItk< itk::Image< float, 4 > > CasterType;
CasterType::Pointer caster = CasterType::New();
caster->SetInput(image);
caster->Update();
itk::Image< float, 4 >::Pointer itkImage = caster->GetOutput();
typename ConverterType::Pointer converter = ConverterType::New();
if (noFlip)
{
converter->SetInputImage(itkImage);
}
else
{
MITK_INFO << "Flipping image";
itk::FixedArray<bool, 4> flipAxes;
flipAxes[0] = true;
flipAxes[1] = true;
flipAxes[2] = false;
flipAxes[3] = false;
itk::FlipImageFilter< itk::Image< float, 4 > >::Pointer flipper = itk::FlipImageFilter< itk::Image< float, 4 > >::New();
flipper->SetInput(itkImage);
flipper->SetFlipAxes(flipAxes);
flipper->Update();
itk::Image< float, 4 >::Pointer flipped = flipper->GetOutput();
itk::Matrix< double,4,4 > m = itkImage->GetDirection(); m[0][0] *= -1; m[1][1] *= -1;
flipped->SetDirection(m);
itk::Point< float, 4 > o = itkImage->GetOrigin();
o[0] -= (flipped->GetLargestPossibleRegion().GetSize(0)-1);
o[1] -= (flipped->GetLargestPossibleRegion().GetSize(1)-1);
flipped->SetOrigin(o);
converter->SetInputImage(flipped);
}
MITK_INFO << "Starting conversion";
switch (toolkitConvention)
{
case 1:
converter->SetToolkit(ConverterType::FSL);
filter->SetToolkit(MaximaExtractionFilterType::FSL);
break;
case 2:
converter->SetToolkit(ConverterType::MRTRIX);
filter->SetToolkit(MaximaExtractionFilterType::MRTRIX);
break;
default:
converter->SetToolkit(ConverterType::FSL);
filter->SetToolkit(MaximaExtractionFilterType::FSL);
break;
}
converter->GenerateData();
filter->SetInput(converter->GetCoefficientImage());
}
else
{
try{
typedef mitk::ImageToItk< typename MaximaExtractionFilterType::CoefficientImageType > CasterType;
typename CasterType::Pointer caster = CasterType::New();
caster->SetInput(image);
caster->Update();
filter->SetInput(caster->GetOutput());
}
catch(...)
{
MITK_INFO << "wrong image type";
return EXIT_FAILURE;
}
}
filter->SetMaxNumPeaks(numPeaks);
filter->SetPeakThreshold(peakThres);
filter->SetAbsolutePeakThreshold(absPeakThres);
filter->SetAngularThreshold(1);
switch (normalization)
{
case 0:
filter->SetNormalizationMethod(MaximaExtractionFilterType::NO_NORM);
break;
case 1:
filter->SetNormalizationMethod(MaximaExtractionFilterType::MAX_VEC_NORM);
break;
case 2:
filter->SetNormalizationMethod(MaximaExtractionFilterType::SINGLE_VEC_NORM);
break;
}
MITK_INFO << "Starting extraction";
filter->Update();
// write direction images
{
typedef typename MaximaExtractionFilterType::ItkDirectionImageContainer ItkDirectionImageContainer;
typename ItkDirectionImageContainer::Pointer container = filter->GetDirectionImageContainer();
for (unsigned int i=0; i<container->Size(); i++)
{
typename MaximaExtractionFilterType::ItkDirectionImage::Pointer itkImg = container->GetElement(i);
if (itkMaskImage.IsNotNull())
{
itkImg->SetDirection(itkMaskImage->GetDirection());
itkImg->SetOrigin(itkMaskImage->GetOrigin());
}
string outfilename = outRoot;
outfilename.append("_DIRECTION_");
outfilename.append(boost::lexical_cast<string>(i));
outfilename.append(".nrrd");
MITK_INFO << "writing " << outfilename;
typedef itk::ImageFileWriter< typename MaximaExtractionFilterType::ItkDirectionImage > WriterType;
typename WriterType::Pointer writer = WriterType::New();
writer->SetFileName(outfilename);
writer->SetInput(itkImg);
writer->Update();
}
}
// write num directions image
{
ItkUcharImgType::Pointer numDirImage = filter->GetNumDirectionsImage();
if (itkMaskImage.IsNotNull())
{
numDirImage->SetDirection(itkMaskImage->GetDirection());
numDirImage->SetOrigin(itkMaskImage->GetOrigin());
}
string outfilename = outRoot.c_str();
outfilename.append("_NUM_DIRECTIONS.nrrd");
MITK_INFO << "writing " << outfilename;
typedef itk::ImageFileWriter< ItkUcharImgType > WriterType;
WriterType::Pointer writer = WriterType::New();
writer->SetFileName(outfilename);
writer->SetInput(numDirImage);
writer->Update();
}
// write vector field
{
mitk::FiberBundleX::Pointer directions = filter->GetOutputFiberBundle();
string outfilename = outRoot.c_str();
outfilename.append("_VECTOR_FIELD.fib");
mitk::FiberBundleXWriter::Pointer fibWriter = mitk::FiberBundleXWriter::New();
fibWriter->SetFileName(outfilename.c_str());
fibWriter->DoWrite(directions.GetPointer());
}
}
catch (itk::ExceptionObject e)
{
MITK_INFO << e;
return EXIT_FAILURE;
}
catch (std::exception e)
{
MITK_INFO << e.what();
return EXIT_FAILURE;
}
catch (...)
{
MITK_INFO << "ERROR!?!";
return EXIT_FAILURE;
}
MITK_INFO << "DONE";
return EXIT_SUCCESS;
}
void QmitkOdfMaximaExtractionView::StartMaximaExtraction()
{
typedef itk::FiniteDiffOdfMaximaExtractionFilter< float, shOrder, 20242 > MaximaExtractionFilterType;
typename MaximaExtractionFilterType::Pointer filter = MaximaExtractionFilterType::New();
mitk::Geometry3D::Pointer geometry;
try{
Image::Pointer img = dynamic_cast<Image*>(m_ImageNodes.at(0)->GetData());
typedef ImageToItk< typename MaximaExtractionFilterType::CoefficientImageType > CasterType;
typename CasterType::Pointer caster = CasterType::New();
caster->SetInput(img);
caster->Update();
filter->SetInput(caster->GetOutput());
geometry = img->GetGeometry();
}
catch(itk::ExceptionObject &e)
{
MITK_INFO << "wrong image type: " << e.what();
throw;
}
filter->SetAngularThreshold(cos((float)m_Controls->m_AngularThreshold->value()*M_PI/180));
filter->SetClusteringThreshold(cos((float)m_Controls->m_ClusteringAngleBox->value()*M_PI/180));
filter->SetMaxNumPeaks(m_Controls->m_MaxNumPeaksBox->value());
filter->SetPeakThreshold(m_Controls->m_PeakThresholdBox->value());
filter->SetAbsolutePeakThreshold(m_Controls->m_AbsoluteThresholdBox->value());
if (!m_BinaryImageNodes.empty())
{
ItkUcharImgType::Pointer itkMaskImage = ItkUcharImgType::New();
Image::Pointer mitkMaskImg = dynamic_cast<Image*>(m_BinaryImageNodes.at(0)->GetData());
CastToItkImage<ItkUcharImgType>(mitkMaskImg, itkMaskImage);
filter->SetMaskImage(itkMaskImage);
}
switch (m_Controls->m_NormalizationBox->currentIndex())
{
case 0:
filter->SetNormalizationMethod(MaximaExtractionFilterType::NO_NORM);
break;
case 1:
filter->SetNormalizationMethod(MaximaExtractionFilterType::MAX_VEC_NORM);
break;
case 2:
filter->SetNormalizationMethod(MaximaExtractionFilterType::SINGLE_VEC_NORM);
break;
}
filter->Update();
if (m_Controls->m_OutputDirectionImagesBox->isChecked())
{
typedef typename MaximaExtractionFilterType::ItkDirectionImageContainer ItkDirectionImageContainer;
typename ItkDirectionImageContainer::Pointer container = filter->GetDirectionImageContainer();
for (int i=0; i<container->Size(); i++)
{
typename MaximaExtractionFilterType::ItkDirectionImage::Pointer itkImg = container->GetElement(i);
mitk::Image::Pointer img = mitk::Image::New();
img->InitializeByItk( itkImg.GetPointer() );
img->SetVolume( itkImg->GetBufferPointer() );
DataNode::Pointer node = DataNode::New();
node->SetData(img);
QString name(m_ImageNodes.at(0)->GetName().c_str());
name += "_Direction";
name += QString::number(i+1);
node->SetName(name.toStdString().c_str());
GetDataStorage()->Add(node);
}
}
if (m_Controls->m_OutputNumDirectionsBox->isChecked())
{
ItkUcharImgType::Pointer numDirImage = filter->GetNumDirectionsImage();
mitk::Image::Pointer image2 = mitk::Image::New();
image2->InitializeByItk( numDirImage.GetPointer() );
image2->SetVolume( numDirImage->GetBufferPointer() );
DataNode::Pointer node2 = DataNode::New();
node2->SetData(image2);
QString name(m_ImageNodes.at(0)->GetName().c_str());
name += "_NumDirections";
node2->SetName(name.toStdString().c_str());
GetDataStorage()->Add(node2);
}
if (m_Controls->m_OutputVectorFieldBox->isChecked())
{
mitk::Vector3D outImageSpacing = geometry->GetSpacing();
float minSpacing = 1;
if(outImageSpacing[0]<outImageSpacing[1] && outImageSpacing[0]<outImageSpacing[2])
minSpacing = outImageSpacing[0];
else if (outImageSpacing[1] < outImageSpacing[2])
minSpacing = outImageSpacing[1];
else
minSpacing = outImageSpacing[2];
mitk::FiberBundleX::Pointer directions = filter->GetOutputFiberBundle();
directions->SetGeometry(geometry);
DataNode::Pointer node = DataNode::New();
node->SetData(directions);
QString name(m_ImageNodes.at(0)->GetName().c_str());
name += "_VectorField";
node->SetName(name.toStdString().c_str());
node->SetProperty("Fiber2DSliceThickness", mitk::FloatProperty::New(minSpacing));
node->SetProperty("Fiber2DfadeEFX", mitk::BoolProperty::New(false));
GetDataStorage()->Add(node);
}
}