ITK/Examples/Morphology/GrayscaleErodeImageFilter: Difference between revisions

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<div class="floatcenter">[[File:ITK_Examples_Baseline_Morphology_TestGrayscaleErodeImageFilter.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{{warning|1=The media wiki content on this page is no longer maintained.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.
Erode regions in a grayscale image using a specified kernel.
}}


==GrayscaleErodeImageFilter.cxx==
[https://itk.org/ITKExamples[ITK Sphinx Examples]]
<source lang="cpp">
#include "itkImage.h"
#include "itkGrayscaleErodeImageFilter.h"
#include "itkImageFileReader.h"
#include "itkBinaryBallStructuringElement.h"
 
#include "QuickView.h"
 
int main(int argc, char *argv[])
{
  if(argc < 2)
    {
    std::cerr << "Usage: " << std::endl;
    std::cerr << argv[0] << " InputImageFile [radius]" << std::endl;
    return EXIT_FAILURE;
    }
 
  typedef itk::Image<unsigned char, 2>  ImageType;
  typedef itk::ImageFileReader<ImageType> ReaderType;
  ReaderType::Pointer reader = ReaderType::New();
  reader->SetFileName(argv[1]);
 
  unsigned int radius = 2;
  if (argc > 2)
    {
    radius = atoi(argv[2]);
    }
 
  typedef itk::BinaryBallStructuringElement<
    ImageType::PixelType,
    2>                  StructuringElementType;
  StructuringElementType structuringElement;
  structuringElement.SetRadius(radius);
  structuringElement.CreateStructuringElement();
 
  typedef itk::GrayscaleErodeImageFilter <ImageType, ImageType, StructuringElementType>
    GrayscaleErodeImageFilterType;
 
  GrayscaleErodeImageFilterType::Pointer erodeFilter
    = GrayscaleErodeImageFilterType::New();
  erodeFilter->SetInput(reader->GetOutput());
  erodeFilter->SetKernel(structuringElement);
 
  QuickView viewer;
  viewer.AddImage(reader->GetOutput());
  viewer.AddImage(erodeFilter->GetOutput());
  viewer.Visualize();
 
  return EXIT_SUCCESS;
}
</source>
 
{{ITKVTKCMakeLists|{{SUBPAGENAME}}}}

Latest revision as of 16:39, 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Warning: The media wiki content on this page is no longer maintained.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]