ITK  5.2.0
Insight Toolkit
SphinxExamples/src/Filtering/MathematicalMorphology/ErodeAGrayscaleImage/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;
using ReaderType = itk::ImageFileReader<ImageType>;
ReaderType::Pointer reader = ReaderType::New();
reader->SetFileName(inputImage);
using StructuringElementType = itk::FlatStructuringElement<Dimension>;
StructuringElementType::RadiusType radius;
radius.Fill(radiusValue);
StructuringElementType structuringElement = StructuringElementType::Ball(radius);
GrayscaleErodeImageFilterType::Pointer erodeFilter = GrayscaleErodeImageFilterType::New();
erodeFilter->SetInput(reader->GetOutput());
erodeFilter->SetKernel(structuringElement);
using WriterType = itk::ImageFileWriter<ImageType>;
WriterType::Pointer writer = WriterType::New();
writer->SetInput(erodeFilter->GetOutput());
writer->SetFileName(outputImage);
try
{
writer->Update();
}
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::ImageFileReader
Data source that reads image data from a single file.
Definition: itkImageFileReader.h:75
itk::GrayscaleErodeImageFilter
Grayscale erosion of an image.
Definition: itkGrayscaleErodeImageFilter.h:54
itk::ImageFileWriter
Writes image data to a single file.
Definition: itkImageFileWriter.h:87
itkGrayscaleErodeImageFilter.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:86
itk::GTest::TypedefsAndConstructors::Dimension2::Dimension
constexpr unsigned int Dimension
Definition: itkGTestTypedefsAndConstructors.h:44