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| ==RGBMinMaxCurvatureFlowImageFilter.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| | {{warning|1=The media wiki content on this page is no longer maintained.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 "itkImageAdaptor.h"
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| #include "itkImageRegionIterator.h"
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| #include "itkNthElementImageAdaptor.h"
| |
| #include "itkMinMaxCurvatureFlowImageFilter.h"
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| #include "itkComposeImageFilter.h"
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| #include "itkImage.h"
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| #include "itkImageFileReader.h"
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| #include "itkRGBPixel.h"
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| | |
| #include <sstream>
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| | |
| #include "QuickView.h"
| |
| | |
| int main(int argc, char * argv[])
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| { | |
| // Verify command line arguments
| |
| 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 [iterations]" << std::endl;
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| return EXIT_FAILURE;
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| }
| |
| | |
| int iterations = 5;
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| if (argc > 2)
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| {
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| std::stringstream ss(argv[2]);
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| ss >> iterations;
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| }
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| std::string inputFilename = argv[1];
| |
| | |
| // Setup types
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| typedef float ComponentType;
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| typedef itk::RGBPixel<ComponentType> PixelType;
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| typedef itk::Image<PixelType, 2 > RGBImageType;
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| typedef itk::Image<ComponentType, 2 > ImageType;
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| typedef itk::ImageFileReader<RGBImageType> ReaderType;
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| typedef itk::NthElementImageAdaptor<RGBImageType, unsigned char> ImageAdaptorType;
| |
| typedef itk::ComposeImageFilter<ImageType, RGBImageType> ComposeType;
| |
| typedef itk::MinMaxCurvatureFlowImageFilter<ImageAdaptorType, ImageType> CurvatureFlowType;
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| | |
| // Create and setup a reader
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| ReaderType::Pointer reader = ReaderType::New();
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| reader->SetFileName( inputFilename );
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| reader->Update();
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| | |
| // Run the filter for each component
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| ImageAdaptorType::Pointer rAdaptor =
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| ImageAdaptorType::New();
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| rAdaptor->SelectNthElement(0);
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| rAdaptor->SetImage(reader->GetOutput());
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| | |
| CurvatureFlowType::Pointer rCurvatureFilter =
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| CurvatureFlowType::New();
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| rCurvatureFilter->SetInput(rAdaptor);
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| rCurvatureFilter->SetNumberOfIterations(iterations);
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| rCurvatureFilter->Update();
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|
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| ImageAdaptorType::Pointer gAdaptor =
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| ImageAdaptorType::New();
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| gAdaptor->SelectNthElement(1);
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| gAdaptor->SetImage(reader->GetOutput());
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| | |
| CurvatureFlowType::Pointer gCurvatureFilter =
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| CurvatureFlowType::New();
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| gCurvatureFilter->SetInput(gAdaptor);
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| gCurvatureFilter->SetNumberOfIterations(iterations);
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| gCurvatureFilter->Update();
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|
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| ImageAdaptorType::Pointer bAdaptor =
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| ImageAdaptorType::New();
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| bAdaptor->SelectNthElement(2);
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| bAdaptor->SetImage(reader->GetOutput());
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| | |
| CurvatureFlowType::Pointer bCurvatureFilter =
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| CurvatureFlowType::New();
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| bCurvatureFilter->SetInput(bAdaptor);
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| bCurvatureFilter->SetNumberOfIterations(iterations);
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| bCurvatureFilter->Update();
| |
| | |
| // compose an RGB image from the three filtered images
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| | |
| ComposeType::Pointer compose =
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| ComposeType::New();
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| compose->SetInput1 (rCurvatureFilter->GetOutput());
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| compose->SetInput2 (gCurvatureFilter->GetOutput());
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| compose->SetInput3 (bCurvatureFilter->GetOutput());
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|
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| QuickView viewer;
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| viewer.AddRGBImage(
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| reader->GetOutput(),
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| true,
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| itksys::SystemTools::GetFilenameName(inputFilename));
| |
| | |
| std::stringstream desc;
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| desc << "MinMaxCurvatureFlow iterations = " << iterations;
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| viewer.AddRGBImage( | |
| compose->GetOutput(),
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| true,
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| desc.str());
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| | |
| viewer.Visualize();
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| | |
| return EXIT_SUCCESS;
| |
| }
| |
| </source>
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| | |
| {{ITKVTKCMakeLists|{{SUBPAGENAME}}}}
| |
