ITK/Examples/ImageProcessing/AbsoluteValueDifferenceImageFilter: Difference between revisions

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==AbsoluteValueDifferenceImageFilter.cxx==
{{warning|1=The media wiki content on this page is no longer maintainedThe examples presented on the https://itk.org/Wiki/*  pages likely require ITK version 4.13 or earlier releasesIn many cases, the examples on this page no longer conform to the best practices for modern ITK versions.
<source lang="cpp">
}}
#include "itkImage.h"
#include "itkAbsoluteValueDifferenceImageFilter.h"
#include "itkImageRegionIterator.h"
 
typedef itk::Image<unsigned char, 2> UnsignedCharImageType;
typedef itk::Image<float, 2>  FloatImageType;
 
static void CreateImage1(UnsignedCharImageType::Pointer image);
static void CreateImage2(UnsignedCharImageType::Pointer image);
 
int main(int, char *[])
{
  UnsignedCharImageType::Pointer image1 = UnsignedCharImageType::New();
  CreateImage1(image1);
 
  UnsignedCharImageType::Pointer image2 = UnsignedCharImageType::New();
  CreateImage2(image2);
 
  typedef itk::AbsoluteValueDifferenceImageFilter <UnsignedCharImageType, UnsignedCharImageType,
                                            FloatImageType>
          AbsoluteValueDifferenceImageFilterType;
 
  AbsoluteValueDifferenceImageFilterType::Pointer absoluteValueDifferenceFilter
          = AbsoluteValueDifferenceImageFilterType::New ();
  absoluteValueDifferenceFilter->SetInput1(image1);
  absoluteValueDifferenceFilter->SetInput2(image2);
  absoluteValueDifferenceFilter->Update();
 
  return EXIT_SUCCESS;
}
 
void CreateImage1(UnsignedCharImageType::Pointer image)
{
  UnsignedCharImageType::IndexType start;
  start.Fill(0);
 
  UnsignedCharImageType::SizeType size;
  size.Fill(10);
 
  UnsignedCharImageType::RegionType region;
  region.SetSize(size);
  region.SetIndex(start);
 
  image->SetRegions(region);
  image->Allocate();
 
  itk::ImageRegionIterator<UnsignedCharImageType> imageIterator(image,region);
 
  while(!imageIterator.IsAtEnd())
    {
    imageIterator.Set(255);
 
    ++imageIterator;
    }
}
 
 
void CreateImage2(UnsignedCharImageType::Pointer image)
{
  // Create an image with 2 connected components
  UnsignedCharImageType::IndexType start;
  start.Fill(0);
 
  UnsignedCharImageType::SizeType size;
  size.Fill(10);
 
  UnsignedCharImageType::RegionType region;
  region.SetSize(size);
  region.SetIndex(start);
 
  image->SetRegions(region);
  image->Allocate();
 
   itk::ImageRegionIterator<UnsignedCharImageType> imageIterator(image,region);
 
  while(!imageIterator.IsAtEnd())
    {
    imageIterator.Set(100);
 
    ++imageIterator;
    }
 
}
 
</source>
 
{{ITKCMakeLists|{{SUBPAGENAME}}}}

Latest revision as of 16:49, 5 June 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.