|
|
| (6 intermediate revisions by one other user not shown) |
| Line 1: |
Line 1: |
| <div class="floatcenter">[[File:ITK_Examples_Baseline_Smoothing_TestMedianImageFilter.png]]</div>
| | {{warning|1=The media wiki content on this page is no longer maintained.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. |
| Replace every pixel in an image with the median of its neighbors.
| | }} |
|
| |
|
| ==MedianImageFilter.cxx==
| | [https://itk.org/ITKExamples[ITK Sphinx Examples]] |
| <source lang="cpp">
| |
| #include "itkImage.h"
| |
| #include "itkImageFileReader.h"
| |
| #include "itkMedianImageFilter.h"
| |
| #include "itkSubtractImageFilter.h"
| |
| | |
| #include "itksys/SystemTools.hxx"
| |
| | |
| #include <sstream>
| |
| | |
| #include "QuickView.h"
| |
| | |
| int main(int argc, char * argv[])
| |
| {
| |
| // Verify command line arguments
| |
| if( argc < 2 )
| |
| {
| |
| std::cerr << "Usage: " << std::endl;
| |
| std::cerr << argv[0] << " InputImageFile [radius]" << std::endl;
| |
| return EXIT_FAILURE;
| |
| }
| |
| unsigned int radius = 2;
| |
| if (argc > 2)
| |
| {
| |
| radius = atoi(argv[2]);
| |
| }
| |
| | |
| std::string inputFilename = argv[1];
| |
| | |
| // Setup types
| |
| typedef itk::Image<float, 2 > ImageType;
| |
| typedef itk::ImageFileReader<ImageType> ReaderType;
| |
| typedef itk::MedianImageFilter<ImageType, ImageType > FilterType;
| |
| typedef itk::SubtractImageFilter<ImageType> SubtractType;
| |
| | |
| // Create and setup a reader
| |
| ReaderType::Pointer reader = ReaderType::New();
| |
| reader->SetFileName( inputFilename );
| |
| | |
| // Create and setup a median filter
| |
| FilterType::Pointer medianFilter = FilterType::New();
| |
| FilterType::SizeType kernelRadius;
| |
| kernelRadius.Fill(radius);
| |
| medianFilter->SetRadius(radius);
| |
| medianFilter->SetInput( reader->GetOutput() );
| |
| | |
| SubtractType::Pointer diff = SubtractType::New();
| |
| diff->SetInput1(reader->GetOutput());
| |
| diff->SetInput2(medianFilter->GetOutput());
| |
| | |
| QuickView viewer;
| |
| viewer.AddImage(
| |
| reader->GetOutput(),true,
| |
| itksys::SystemTools::GetFilenameName(inputFilename));
| |
| | |
| std::stringstream desc;
| |
| desc << "MedianImageFilter, radius = " << radius;
| |
| viewer.AddImage(
| |
| medianFilter->GetOutput(),
| |
| true,
| |
| desc.str());
| |
| | |
| std::stringstream desc2;
| |
| desc2 << "Original - Median";
| |
| viewer.AddImage(
| |
| diff->GetOutput(),
| |
| true,
| |
| desc2.str());
| |
| | |
| viewer.Visualize();
| |
| | |
| return EXIT_SUCCESS;
| |
| }
| |
| </source>
| |
| | |
| ==CMakeLists.txt==
| |
| <source lang="cmake">
| |
| cmake_minimum_required(VERSION 2.6)
| |
| | |
| PROJECT(MedianImageFilter)
| |
| | |
| include_directories(/home/doriad/src/ITK/Wrapping/WrapITK/ExternalProjects/ItkVtkGlue/src/)
| |
| | |
| FIND_PACKAGE(VTK REQUIRED)
| |
| INCLUDE(${VTK_USE_FILE})
| |
| | |
| FIND_PACKAGE(ITK REQUIRED)
| |
| INCLUDE(${ITK_USE_FILE})
| |
| | |
| ADD_EXECUTABLE(MedianImageFilter MedianImageFilter.cxx)
| |
| TARGET_LINK_LIBRARIES(MedianImageFilter
| |
| vtkHybrid
| |
| ITKBasicFilters ITKIO ITKCommon)
| |
| | |
| </source>
| |
