ITK  5.3.0
Insight Toolkit
SphinxExamples/src/Filtering/BinaryMathematicalMorphology/ErodeABinaryImage/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 < 4)
{
std::cerr << "Usage: " << std::endl;
std::cerr << argv[0] << " <inputImage> <outputImage> <radius>";
std::cerr << std::endl;
return EXIT_FAILURE;
}
const char * inputImage = argv[1];
const char * outputImage = argv[2];
const unsigned int radiusValue = std::stoi(argv[3]);
using PixelType = unsigned char;
constexpr unsigned int Dimension = 2;
const auto input = itk::ReadImage<ImageType>(inputImage);
using StructuringElementType = itk::FlatStructuringElement<Dimension>;
StructuringElementType::RadiusType radius;
radius.Fill(radiusValue);
StructuringElementType structuringElement = StructuringElementType::Ball(radius);
BinaryErodeImageFilterType::Pointer erodeFilter = BinaryErodeImageFilterType::New();
erodeFilter->SetInput(input);
erodeFilter->SetKernel(structuringElement);
erodeFilter->SetForegroundValue(255); // Intensity value to erode
erodeFilter->SetBackgroundValue(0); // Replacement value for eroded voxels
try
{
itk::WriteImage(erodeFilter->GetOutput(), outputImage);
}
catch (itk::ExceptionObject & e)
{
std::cerr << "Error: " << e << std::endl;
return EXIT_FAILURE;
}
return EXIT_SUCCESS;
}
itk::FlatStructuringElement
A class to support a variety of flat structuring elements, including versions created by decompositio...
Definition: itkKernelImageFilter.h:27
itkImageFileReader.h
itkImage.h
itk::BinaryErodeImageFilter
Fast binary erosion of a single intensity value in the image.
Definition: itkBinaryErodeImageFilter.h:72
itkBinaryErodeImageFilter.h
itkImageFileWriter.h
itkFlatStructuringElement.h
itk::Math::e
static constexpr double e
Definition: itkMath.h:54
itk::Image
Templated n-dimensional image class.
Definition: itkImage.h:88
itk::GTest::TypedefsAndConstructors::Dimension2::Dimension
constexpr unsigned int Dimension
Definition: itkGTestTypedefsAndConstructors.h:44
itk::WriteImage
ITK_TEMPLATE_EXPORT void WriteImage(TImagePointer &&image, const std::string &filename, bool compress=false)
Definition: itkImageFileWriter.h:254