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| Replace every pixel in an image with the median of its neighbors.
| | {{warning|1=The media wiki content on this page is no longer maintained.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. |
| | }} |
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| ==MedianImageFilter.cxx==
| | [https://itk.org/ITKExamples[ITK Sphinx Examples]] |
| <source lang="cpp">
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| #include "itkImage.h"
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| #include "itkImageFileReader.h"
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| #include "itkMedianImageFilter.h"
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| | |
| #include "QuickView.h"
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| int main(int argc, char * argv[])
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| {
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| // Verify command line arguments
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| if( argc < 2 )
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| {
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| std::cerr << "Usage: " << std::endl;
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| std::cerr << argv[0] << " InputImageFile [radius]" << std::endl;
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| return EXIT_FAILURE;
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| }
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| unsigned int radius = 2;
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| if (argc > 2)
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| {
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| radius = atoi(argv[2]);
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| }
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| std::string inputFilename = argv[1];
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| | |
| // Setup types
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| typedef itk::Image< unsigned char, 2 > UnsignedCharImageType;
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| typedef itk::ImageFileReader< UnsignedCharImageType > readerType;
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| typedef itk::MedianImageFilter<
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| UnsignedCharImageType, UnsignedCharImageType > filterType;
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| | |
| // Create and setup a reader
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| readerType::Pointer reader = readerType::New();
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| reader->SetFileName( inputFilename );
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| // Create and setup a median filter
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| filterType::Pointer medianFilter = filterType::New();
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| filterType::SizeType kernelRadius;
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| kernelRadius.Fill(radius);
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| medianFilter->SetRadius(radius);
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| medianFilter->SetInput( reader->GetOutput() );
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| QuickView viewer;
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| viewer.AddImage<UnsignedCharImageType>(reader->GetOutput());
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| viewer.AddImage<UnsignedCharImageType>(medianFilter->GetOutput());
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| viewer.Visualize();
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| return EXIT_SUCCESS;
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| }
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| </source>
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| | |
| ==CMakeLists.txt==
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| <source lang="cmake">
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| cmake_minimum_required(VERSION 2.6)
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| PROJECT(MedianImageFilter)
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| include_directories(/home/doriad/src/ITK/Wrapping/WrapITK/ExternalProjects/ItkVtkGlue/src/)
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| FIND_PACKAGE(VTK REQUIRED)
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| INCLUDE(${VTK_USE_FILE})
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| FIND_PACKAGE(ITK REQUIRED)
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| INCLUDE(${ITK_USE_FILE})
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| ADD_EXECUTABLE(MedianImageFilter MedianImageFilter.cxx)
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| TARGET_LINK_LIBRARIES(MedianImageFilter
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| vtkHybrid
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| ITKBasicFilters ITKIO ITKCommon)
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| | |
| </source>
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