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| ==LaplacianImageFilter.cxx== | | {{warning|1=The media wiki content on this page is no longer maintained.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"
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| #include "itkImageFileReader.h"
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| #include "itkImageFileWriter.h"
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| #include "itkRescaleIntensityImageFilter.h"
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| #include "itkLaplacianImageFilter.h"
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|
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| #include "QuickView.h"
| | [https://itk.org/ITKExamples[ITK Sphinx Examples]] |
| | |
| int main(int argc, char * argv[])
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| {
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| // Verify command line arguments
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| if( argc < 2 )
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| {
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| std::cerr << "Usage: " << std::endl;
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| std::cerr << argv[0] << " inputImageFile" << std::endl;
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| return EXIT_FAILURE;
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| }
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| | |
| // Parse command line arguments
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| std::string inputFilename = argv[1];
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| | |
| // Setup types
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| typedef itk::Image< float, 2 > FloatImageType;
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| | |
| typedef itk::ImageFileReader< FloatImageType > readerType;
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| readerType::Pointer reader = readerType::New();
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| reader->SetFileName( inputFilename.c_str() );
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| reader->Update();
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| | |
| typedef itk::LaplacianImageFilter<FloatImageType, FloatImageType > filterType;
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| filterType::Pointer laplacianFilter = filterType::New();
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| laplacianFilter->SetInput( reader->GetOutput() ); // NOTE: input image type must be double or float
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| laplacianFilter->Update();
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| | |
| QuickView viewer;
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| viewer.AddImage<FloatImageType>(reader->GetOutput());
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| viewer.AddImage<FloatImageType>(laplacianFilter->GetOutput());
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| viewer.Visualize();
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| return EXIT_SUCCESS;
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| }
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| </source>
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| | |
| {{ITKVTKCMakeLists|LaplacianImageFilter|}}
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