ITK/Examples/Smoothing/MedianImageFilter: Difference between revisions

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<div class="floatright">[[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{{warning|1=The media wiki content on this page is no longer maintained.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 "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]