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| ==BinaryPruningImageFilter.cxx==
| | {{warning|1=The media wiki content on this page is no longer maintained. The examples presented on the https://itk.org/Wiki/* pages likely require ITK version 4.13 or earlier releases. In many cases, the examples on this page no longer conform to the best practices for modern ITK versions.}} |
| <source lang="cpp">
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| #include "itkImage.h"
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| #include "itkBinaryPruningImageFilter.h"
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| #include "itkImageFileReader.h"
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| #include "itkBinaryBallStructuringElement.h"
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| #include "itkImageFileWriter.h"
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| #include "QuickView.h"
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| | |
| template <typename TImage>
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| void CreateImage(TImage* const image);
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| | |
| int main(int argc, char *argv[])
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| { | |
| // std::cerr << "Usage: " << std::endl;
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| // std::cerr << argv[0] << " InputImageFile OutputImageFile [iteration]" << std::endl;
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| | |
| typedef itk::Image<unsigned char, 2> ImageType;
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| ImageType::Pointer image;
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| | |
| unsigned int iteration = 1;
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| if(argc < 3)
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| {
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| image = ImageType::New();
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| CreateImage(image.GetPointer());
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| }
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| else
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| {
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| typedef itk::ImageFileReader<ImageType> ReaderType;
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| ReaderType::Pointer reader = ReaderType::New();
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| reader->SetFileName(argv[1]);
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| image = reader->GetOutput();
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| std::stringstream ssIteration(argv[2]);
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| }
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| | |
| typedef itk::BinaryPruningImageFilter <ImageType, ImageType >
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| BinaryPruningImageFilterType;
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| BinaryPruningImageFilterType::Pointer pruneFilter
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| = BinaryPruningImageFilterType::New();
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| pruneFilter->SetInput(image);
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| pruneFilter->SetIteration(iteration);
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| pruneFilter->GetOutput();
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| QuickView viewer;
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| viewer.AddImage(image.GetPointer());
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| viewer.AddImage(pruneFilter->GetOutput());
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| viewer.Visualize();
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| return EXIT_SUCCESS;
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| }
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| | |
| template <typename TImage>
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| void CreateImage(TImage* const image)
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| {
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| // This function creates a 2D image consisting of a black background,
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| // a large square of a non-zero pixel value, and a single "erroneous" pixel
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| // near the square.
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| typename TImage::IndexType corner = {{0,0}}; | |
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| typename TImage::SizeType size = {{200,200}};
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| typename TImage::RegionType region(corner, size);
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| image->SetRegions(region);
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| image->Allocate();
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| // Make a square
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| for(unsigned int r = 40; r < 100; r++)
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| {
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| for(unsigned int c = 40; c < 100; c++)
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| {
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| typename TImage::IndexType pixelIndex = {{r,c}};
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| image->SetPixel(pixelIndex, 50);
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| }
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| }
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| typename TImage::IndexType pixelIndex = {{102, 102}};
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| image->SetPixel(pixelIndex, 50);
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| }
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| </source>
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| {{ITKCMakeLists|BinaryPruningImageFilter}}
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