Difference between revisions of "ITK/Examples/ImageProcessing/BinaryStatisticsOpeningImageFilter"

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==BinaryStatisticsOpeningImageFilter.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 "itkBinaryStatisticsOpeningImageFilter.h"
#include "itkImageFileWriter.h"
 
typedef itk::Image<unsigned char, 2> ImageType;
void CreateImage(ImageType::Pointer image1, ImageType::Pointer image2);
 
int main(int argc, char* argv[])
{
  ImageType::Pointer binaryImage = ImageType::New();
  ImageType::Pointer featureImage = ImageType::New();
   
  CreateImage(binaryImage, featureImage);
   
  typedef itk::BinaryStatisticsOpeningImageFilter<ImageType, ImageType>
    BinaryOpeningType;
  BinaryOpeningType::Pointer opening = BinaryOpeningType::New();
  opening->SetInput(binaryImage);
  opening->SetFeatureImage(featureImage);
  opening->SetBackgroundValue(0);
  opening->SetForegroundValue(255);
  opening->SetLambda(150);
  opening->SetAttribute( BinaryOpeningType::LabelObjectType::MEAN);
  opening->Update();
 
  typedef itk::ImageFileWriter<ImageType> WriterType;
  WriterType::Pointer writer = WriterType::New();
  writer->SetFileName("input.mhd");
  writer->SetInput(featureImage);
  writer->Update();
  writer->SetFileName("output.mhd");
  writer->SetInput(opening->GetOutput());
  writer->Update();
 
}
 
void CreateImage(ImageType::Pointer image1, ImageType::Pointer image2)
{
  // Create an image with 2 connected components
  ImageType::RegionType region;
  ImageType::IndexType start;
  start[0] = 0;
  start[1] = 0;
   
  ImageType::SizeType size;
  size[0] = 200;
  size[1] = 200;
  region.SetSize(size);
  region.SetIndex(start);
  image1->SetRegions(region);
  image1->Allocate();
  image1->FillBuffer(0);
  image2->SetRegions(region);
  image2->Allocate();
   image2->FillBuffer(0);
  // Make a square
  for(unsigned int r = 20; r < 80; r++)
  {
    for(unsigned int c = 30; c < 100; c++)
    {
      ImageType::IndexType pixelIndex;
      pixelIndex[0] = r;
      pixelIndex[1] = c;
      image1->SetPixel(pixelIndex, 255);
      image2->SetPixel(pixelIndex, 100);
    }
  }
  // Make another square
  for(unsigned int r = 100; r < 130; r++)
  {
    for(unsigned int c = 115; c < 160; c++)
    {
      ImageType::IndexType pixelIndex;
      pixelIndex[0] = r;
      pixelIndex[1] = c;
     
      image1->SetPixel(pixelIndex, 255);
      image2->SetPixel(pixelIndex, 200);
    }
  }
}
 
</source>
 
{{ITKCMakeLists|BinaryStatisticsOpeningImageFilter}}

Latest revision as of 19:32, 4 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.