ITK/Examples/ImageProcessing/LaplacianImageFilter: Difference between revisions

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==LaplacianImageFilter.cxx==
{{warning|1=The media wiki content on this page is no longer maintained.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.
<source lang="cpp">
}}
#include "itkImage.h"
#include "itkImageFileReader.h"
#include "itkImageFileWriter.h"
#include "itkRescaleIntensityImageFilter.h"
#include "itkLaplacianImageFilter.h"


#include "QuickView.h"
[https://itk.org/ITKExamples[ITK Sphinx Examples]]
 
int main(int argc, char * argv[])
{
  // Verify command line arguments
  if( argc < 2 )
    {
    std::cerr << "Usage: " << std::endl;
    std::cerr << argv[0] << " inputImageFile" << std::endl;
    return EXIT_FAILURE;
    }
 
  // Parse command line arguments
  std::string inputFilename = argv[1];
 
  // Setup types
  typedef itk::Image< float,  2 >  FloatImageType;
 
  typedef itk::ImageFileReader< FloatImageType >  readerType;
  readerType::Pointer reader = readerType::New();
  reader->SetFileName( inputFilename.c_str() );
  reader->Update();
 
  typedef itk::LaplacianImageFilter<FloatImageType, FloatImageType >  filterType;
  filterType::Pointer laplacianFilter = filterType::New();
  laplacianFilter->SetInput( reader->GetOutput() ); // NOTE: input image type must be double or float
  laplacianFilter->Update();
 
  QuickView viewer;
  viewer.AddImage<FloatImageType>(reader->GetOutput());
  viewer.AddImage<FloatImageType>(laplacianFilter->GetOutput());
  viewer.Visualize();
 
  return EXIT_SUCCESS;
}
</source>
 
{{ITKVTKCMakeLists|LaplacianImageFilter|}}

Latest revision as of 22:17, 30 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Warning: The media wiki content on this page is no longer maintained.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]