ITK/Examples/Morphology/BinaryErodeImageFilter

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Revision as of 20:57, 15 December 2010 by Lorensen (talk | contribs) (Use QuickView.)
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Erode regions in a binary image using a specified kernel.

BinaryErodeImageFilter.cxx

<source lang="cpp">

  1. include "itkImage.h"
  2. include "itkBinaryErodeImageFilter.h"
  3. include "itkImageFileReader.h"
  4. include "itkBinaryBallStructuringElement.h"
  1. 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;
   }
 unsigned int radius = 2;
 if (argc > 2)
   {
   radius = atoi(argv[2]);
   }
 typedef itk::Image<unsigned char, 2>    ImageType;
 typedef itk::ImageFileReader<ImageType> ReaderType;
 ReaderType::Pointer reader = ReaderType::New();
 reader->SetFileName(argv[1]);
 typedef itk::BinaryBallStructuringElement<
   ImageType::PixelType, 2>                  StructuringElementType;
 StructuringElementType structuringElement;
 structuringElement.SetRadius(radius);
 structuringElement.CreateStructuringElement();
 typedef itk::BinaryErodeImageFilter <ImageType, ImageType, StructuringElementType>
   BinaryErodeImageFilterType;
 BinaryErodeImageFilterType::Pointer erodeFilter
   = BinaryErodeImageFilterType::New();
 erodeFilter->SetInput(reader->GetOutput());
 erodeFilter->SetKernel(structuringElement);
 QuickView viewer;
 viewer.AddImage(reader->GetOutput());
 viewer.AddImage(erodeFilter->GetOutput());
 viewer.Visualize();
 return EXIT_SUCCESS;

} </source>

CMakeLists.txt

<source lang="cmake"> cmake_minimum_required(VERSION 2.6)

PROJECT(BinaryErodeImageFilter)

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(BinaryErodeImageFilter BinaryErodeImageFilter.cxx) TARGET_LINK_LIBRARIES(BinaryErodeImageFilter vtkHybrid ITKBasicFilters ITKCommon ITKIO)

</source>