ITK/Examples/Smoothing/MedianImageFilter: Difference between revisions

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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{{warning|1=The media wiki content on this page is no longer maintained.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.
}}


==MedianImageFilter.cxx==
[https://itk.org/ITKExamples[ITK Sphinx Examples]]
<source lang="cpp">
#include "itkImage.h"
#include "itkImageFileReader.h"
#include "itkMedianImageFilter.h"
 
#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< unsigned char, 2 >                UnsignedCharImageType;
  typedef itk::ImageFileReader< UnsignedCharImageType >  readerType;
  typedef itk::MedianImageFilter<
    UnsignedCharImageType, UnsignedCharImageType >      filterType;
 
  // 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() );
 
  QuickView viewer;
  viewer.AddImage<UnsignedCharImageType>(reader->GetOutput()); 
  viewer.AddImage<UnsignedCharImageType>(medianFilter->GetOutput()); 
  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>

Latest revision as of 16:24, 31 May 2019

Warning: The media wiki content on this page is no longer maintained.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.

[ITK Sphinx Examples]