ITK  5.2.0
Insight Toolkit
SphinxExamples/src/Filtering/ImageFeature/SegmentBloodVessels/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.
*
*=========================================================================*/
int
main(int argc, char * argv[])
{
if (argc < 3)
{
std::cerr << "Usage: <InputImage> <OutputImage> [Sigma] [Alpha1] [Alpha2]" << std::endl;
return EXIT_FAILURE;
}
const char * inputImage = argv[1];
const char * outputImage = argv[2];
double sigma = 1.0;
if (argc > 3)
{
sigma = std::atof(argv[3]);
}
double alpha1 = 0.5;
if (argc > 4)
{
alpha1 = std::atof(argv[4]);
}
double alpha2 = 2.0;
if (argc > 5)
{
alpha2 = std::atof(argv[5]);
}
constexpr unsigned int Dimension = 3;
using PixelType = float;
using ReaderType = itk::ImageFileReader<ImageType>;
ReaderType::Pointer reader = ReaderType::New();
reader->SetFileName(inputImage);
HessianFilterType::Pointer hessianFilter = HessianFilterType::New();
hessianFilter->SetInput(reader->GetOutput());
hessianFilter->SetSigma(sigma);
using VesselnessMeasureFilterType = itk::Hessian3DToVesselnessMeasureImageFilter<PixelType>;
VesselnessMeasureFilterType::Pointer vesselnessFilter = VesselnessMeasureFilterType::New();
vesselnessFilter->SetInput(hessianFilter->GetOutput());
vesselnessFilter->SetAlpha1(alpha1);
vesselnessFilter->SetAlpha2(alpha2);
using WriterType = itk::ImageFileWriter<ImageType>;
WriterType::Pointer writer = WriterType::New();
writer->SetInput(vesselnessFilter->GetOutput());
writer->SetFileName(outputImage);
try
{
writer->Update();
}
catch (itk::ExceptionObject & error)
{
std::cerr << "Error: " << error << std::endl;
return EXIT_FAILURE;
}
return EXIT_SUCCESS;
}
itkHessian3DToVesselnessMeasureImageFilter.h
itkImageFileReader.h
itkHessianRecursiveGaussianImageFilter.h
itk::ImageFileReader
Data source that reads image data from a single file.
Definition: itkImageFileReader.h:75
itk::ImageFileWriter
Writes image data to a single file.
Definition: itkImageFileWriter.h:87
itkImageFileWriter.h
itk::HessianRecursiveGaussianImageFilter
Computes the Hessian matrix of an image by convolution with the Second and Cross derivatives of a Gau...
Definition: itkHessianRecursiveGaussianImageFilter.h:47
itk::Image
Templated n-dimensional image class.
Definition: itkImage.h:86
itk::Hessian3DToVesselnessMeasureImageFilter
Line filter to provide a vesselness measure for tubular objects from the hessian matrix.
Definition: itkHessian3DToVesselnessMeasureImageFilter.h:77
itk::GTest::TypedefsAndConstructors::Dimension2::Dimension
constexpr unsigned int Dimension
Definition: itkGTestTypedefsAndConstructors.h:44