ITK/Examples/ImageSegmentation/ConfidenceConnectedImageFilter

#include "itkImage.h"
#include "itkImageFileReader.h"
#include "itkImageFileWriter.h"
#include "itkConfidenceConnectedImageFilter.h"
 
typedef itk::Image< unsigned char, 2 >  ImageType;
 
int main( int argc, char *argv[])
{
  if(argc < 3)
    {
    std::cerr << "Required: filename.png output.png" << std::endl;
 
    return EXIT_FAILURE;
    }
  std::string inputFileName = argv[1];
  std::string outputFileName = argv[2];
 
  typedef itk::ImageFileReader<ImageType> ReaderType;
  ReaderType::Pointer reader = ReaderType::New();
  reader->SetFileName(inputFileName.c_str());
  reader->Update();
 
  typedef itk::ConfidenceConnectedImageFilter<ImageType, ImageType> ConfidenceConnectedFilterType;
  ConfidenceConnectedFilterType::Pointer confidenceConnectedFilter = ConfidenceConnectedFilterType::New();
  confidenceConnectedFilter->SetInitialNeighborhoodRadius(3);
  confidenceConnectedFilter->SetMultiplier(2);
  confidenceConnectedFilter->SetNumberOfIterations(25);
  confidenceConnectedFilter->SetReplaceValue(255);
 
  // Set seed
  ImageType::IndexType seed;
  seed[0] = 60;
  seed[1] = 70;
  confidenceConnectedFilter->SetSeed(seed);
  confidenceConnectedFilter->SetInput(reader->GetOutput());
  confidenceConnectedFilter->Update();
 
  typedef  itk::ImageFileWriter< ImageType  > WriterType;
  WriterType::Pointer writer = WriterType::New();
  writer->SetFileName(outputFileName);
  writer->SetInput(confidenceConnectedFilter->GetOutput());
  writer->Update();
 
  return EXIT_SUCCESS;
}