Difference between revisions of "ITK/Examples/EdgesAndGradients/BinaryBoundaries"

From KitwarePublic
< ITK‎ | Examples
Jump to navigationJump to search
m (Fix typo.)
(Deprecated content that is moved to sphinx)
 
(One intermediate revision by one other user not shown)
Line 1: Line 1:
<div class="floatcenter">[[File:ITK_Examples_Baseline_EdgesAndGradients_TestBinaryBoundaries.png]]</div>
+
{{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.}}
==BinaryBoundaries.cxx==
 
<source lang="cpp">
 
#include "itkImage.h"
 
#include "itkImageFileWriter.h"
 
#include "itkInvertIntensityImageFilter.h"
 
#include "itkBinaryContourImageFilter.h"
 
#include "itkRescaleIntensityImageFilter.h"
 
 
 
#include "QuickView.h"
 
 
 
typedef itk::Image<unsigned char, 2> ImageType;
 
 
 
static void CreateImage(ImageType::Pointer image);
 
 
 
int main(int, char *[])
 
{
 
  ImageType::Pointer image = ImageType::New();
 
  CreateImage(image);
 
 
 
  typedef itk::BinaryContourImageFilter <ImageType, ImageType >
 
          binaryContourImageFilterType;
 
 
 
  // Outer boundary
 
  binaryContourImageFilterType::Pointer binaryContourFilter
 
          = binaryContourImageFilterType::New ();
 
  binaryContourFilter->SetInput(image);
 
  binaryContourFilter->SetForegroundValue(0);
 
  binaryContourFilter->SetBackgroundValue(255);
 
  binaryContourFilter->Update();
 
 
 
  // Invert the result
 
  typedef itk::InvertIntensityImageFilter <ImageType>
 
          InvertIntensityImageFilterType;
 
 
 
  InvertIntensityImageFilterType::Pointer invertIntensityFilter
 
          = InvertIntensityImageFilterType::New();
 
  invertIntensityFilter->SetInput(binaryContourFilter->GetOutput());
 
  invertIntensityFilter->Update();
 
 
 
  ImageType::Pointer outerBoundary = ImageType::New();
 
  outerBoundary->Graft(invertIntensityFilter->GetOutput());
 
 
 
  // Inner boundary
 
  binaryContourFilter->SetForegroundValue(255);
 
  binaryContourFilter->SetBackgroundValue(0);
 
  binaryContourFilter->Update();
 
 
 
  QuickView viewer;
 
  viewer.AddImage(image.GetPointer());
 
   viewer.AddImage(outerBoundary.GetPointer());
 
  viewer.AddImage(binaryContourFilter->GetOutput());
 
  viewer.Visualize();
 
 
 
  return EXIT_SUCCESS;
 
}
 
 
 
void CreateImage(ImageType::Pointer image)
 
{
 
  ImageType::IndexType start;
 
  start.Fill(0);
 
 
 
  ImageType::SizeType size;
 
  size.Fill(20);
 
 
 
  ImageType::RegionType region(start, size);
 
 
 
  image->SetRegions(region);
 
  image->Allocate();
 
  image->FillBuffer(0);
 
 
 
  // Make a square
 
  for(unsigned int r = 5; r < 10; r++)
 
    {
 
    for(unsigned int c = 5; c < 10; c++)
 
      {
 
      ImageType::IndexType pixelIndex;
 
      pixelIndex[0] = r;
 
      pixelIndex[1] = c;
 
 
 
      image->SetPixel(pixelIndex, 255);
 
      }
 
    }
 
 
 
}
 
</source>
 
 
 
{{ITKVTKCMakeLists|BinaryBoundaries|}}
 

Latest revision as of 11:39, 6 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.