ITK  5.2.0
Insight Toolkit
SphinxExamples/src/Nonunit/Review/MultiphaseChanAndVeseSparseFieldLevelSetSegmentation/Code.cxx
/*=========================================================================
*
* Copyright NumFOCUS
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0.txt
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*
*=========================================================================*/
#include "itkImage.h"
int
main(int argc, char ** argv)
{
if (argc < 10)
{
std::cerr << "Missing arguments" << std::endl;
std::cerr << "Usage: " << std::endl;
std::cerr << argv[0];
std::cerr << " inputLevelSetImage1 inputLevelSetImage2 inputLevelSetImage3";
std::cerr << " inputFeatureImage outputLevelSetImage";
std::cerr << " CurvatureWeight AreaWeight LaplacianWeight";
std::cerr << " VolumeWeight Volume OverlapWeight" << std::endl;
return EXIT_FAILURE;
}
unsigned int nb_iteration = 50;
double rms = 0.;
double epsilon = 1.5;
double curvature_weight = std::stod(argv[6]);
double area_weight = std::stod(argv[7]);
double volume_weight = std::stod(argv[8]);
double volume = std::stod(argv[9]);
double overlap_weight = std::stod(argv[10]);
double l1 = 1.;
double l2 = 1.;
constexpr unsigned int Dimension = 2;
using ScalarPixelType = float;
using LevelSetImageType = itk::Image<ScalarPixelType, Dimension>;
using FeatureImageType = itk::Image<unsigned char, Dimension>;
using OutputImageType = itk::Image<unsigned char, Dimension>;
using SharedDataHelperType =
using LevelSetFunctionType =
using MultiLevelSetType = itk::ScalarChanAndVeseSparseLevelSetImageFilter<LevelSetImageType,
FeatureImageType,
OutputImageType,
LevelSetFunctionType,
SharedDataHelperType>;
using LevelSetReaderType = itk::ImageFileReader<LevelSetImageType>;
using FeatureReaderType = itk::ImageFileReader<FeatureImageType>;
DomainFunctionType::Pointer domainFunction = DomainFunctionType::New();
domainFunction->SetEpsilon(epsilon);
LevelSetReaderType::Pointer contourReader1 = LevelSetReaderType::New();
contourReader1->SetFileName(argv[1]);
contourReader1->Update();
LevelSetReaderType::Pointer contourReader2 = LevelSetReaderType::New();
contourReader2->SetFileName(argv[2]);
contourReader2->Update();
LevelSetReaderType::Pointer contourReader3 = LevelSetReaderType::New();
contourReader3->SetFileName(argv[3]);
contourReader3->Update();
FeatureReaderType::Pointer featureReader = FeatureReaderType::New();
featureReader->SetFileName(argv[4]);
featureReader->Update();
FeatureImageType::Pointer featureImage = featureReader->GetOutput();
LevelSetImageType::Pointer contourImage1 = contourReader1->GetOutput();
LevelSetImageType::Pointer contourImage2 = contourReader2->GetOutput();
LevelSetImageType::Pointer contourImage3 = contourReader3->GetOutput();
MultiLevelSetType::Pointer levelSetFilter = MultiLevelSetType::New();
levelSetFilter->SetFunctionCount(3);
levelSetFilter->SetFeatureImage(featureImage);
levelSetFilter->SetLevelSet(0, contourImage1);
levelSetFilter->SetLevelSet(1, contourImage2);
levelSetFilter->SetLevelSet(2, contourImage3);
levelSetFilter->SetNumberOfIterations(nb_iteration);
levelSetFilter->SetMaximumRMSError(rms);
levelSetFilter->SetUseImageSpacing(1);
levelSetFilter->SetInPlace(false);
for (unsigned int i = 0; i < 3; i++)
{
levelSetFilter->GetDifferenceFunction(i)->SetDomainFunction(domainFunction);
levelSetFilter->GetDifferenceFunction(i)->SetCurvatureWeight(curvature_weight);
levelSetFilter->GetDifferenceFunction(i)->SetAreaWeight(area_weight);
levelSetFilter->GetDifferenceFunction(i)->SetOverlapPenaltyWeight(overlap_weight);
levelSetFilter->GetDifferenceFunction(i)->SetVolumeMatchingWeight(volume_weight);
levelSetFilter->GetDifferenceFunction(i)->SetVolume(volume);
levelSetFilter->GetDifferenceFunction(i)->SetLambda1(l1);
levelSetFilter->GetDifferenceFunction(i)->SetLambda2(l2);
}
levelSetFilter->Update();
WriterType::Pointer writer = WriterType::New();
writer->SetInput(levelSetFilter->GetOutput());
writer->SetFileName(argv[5]);
try
{
writer->Update();
}
catch (itk::ExceptionObject & excep)
{
std::cerr << "Exception caught !" << std::endl;
std::cerr << excep << std::endl;
return -1;
}
return EXIT_SUCCESS;
}
itkScalarChanAndVeseLevelSetFunction.h
itkScalarChanAndVeseSparseLevelSetImageFilter.h
itkAtanRegularizedHeavisideStepFunction.h
itk::AtanRegularizedHeavisideStepFunction
Atan-based implementation of the Regularized (smoothed) Heaviside functions.
Definition: itkAtanRegularizedHeavisideStepFunction.h:53
itkConstrainedRegionBasedLevelSetFunctionSharedData.h
itkImageFileReader.h
itkImage.h
itk::ConstrainedRegionBasedLevelSetFunctionSharedData
Helper class used to share data in the ScalarChanAndVeseLevelSetFunction.
Definition: itkConstrainedRegionBasedLevelSetFunctionSharedData.h:61
itk::ImageFileReader
Data source that reads image data from a single file.
Definition: itkImageFileReader.h:75
itk::ScalarChanAndVeseSparseLevelSetImageFilter
Sparse implementation of the Chan and Vese multiphase level set image filter.
Definition: itkScalarChanAndVeseSparseLevelSetImageFilter.h:72
itk::ScalarChanAndVeseLevelSetFunctionData
Helper class used to share data in the ScalarChanAndVeseLevelSetFunction.
Definition: itkScalarChanAndVeseLevelSetFunctionData.h:61
itk::ImageFileWriter
Writes image data to a single file.
Definition: itkImageFileWriter.h:87
itkImageFileWriter.h
itk::ScalarChanAndVeseLevelSetFunction
LevelSet function that computes a speed image based on regional integrals of probabilities.
Definition: itkScalarChanAndVeseLevelSetFunction.h:81
itkScalarChanAndVeseLevelSetFunctionData.h
itk::Image
Templated n-dimensional image class.
Definition: itkImage.h:86
itk::GTest::TypedefsAndConstructors::Dimension2::Dimension
constexpr unsigned int Dimension
Definition: itkGTestTypedefsAndConstructors.h:44