|
|
| (2 intermediate revisions by one other user not shown) |
| Line 1: |
Line 1: |
| ==RGBCurvatureFlowImageFilter.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| | {{warning|1=The media wiki content on this page is no longer maintained.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"
| |
| #include "itkImageRegionIterator.h"
| |
| #include "itkNthElementImageAdaptor.h"
| |
| #include "itkCurvatureFlowImageFilter.h"]
| |
| #include "itkComposeImageFilter.h"
| |
| #include "itkImage.h"
| |
| #include "itkImageFileReader.h"
| |
| #include "itkRGBPixel.h"
| |
| | |
| #include <sstream>
| |
| | |
| #include "QuickView.h"
| |
| | |
| int main(int argc, char * argv[])
| |
| { | |
| // Verify command line arguments
| |
| if( argc < 2 )
| |
| {
| |
| std::cerr << "Usage: " << std::endl;
| |
| std::cerr << argv[0] << " InputImageFile [iterations]" << std::endl;
| |
| return EXIT_FAILURE;
| |
| }
| |
| | |
| int iterations = 5;
| |
| if (argc > 2)
| |
| {
| |
| std::stringstream ss(argv[2]);
| |
| ss >> iterations;
| |
| }
| |
| std::string inputFilename = argv[1];
| |
| | |
| // Setup types
| |
| typedef float ComponentType;
| |
| typedef itk::RGBPixel<ComponentType> PixelType;
| |
| typedef itk::Image<PixelType, 2 > RGBImageType;
| |
| typedef itk::Image<ComponentType, 2 > ImageType;
| |
| typedef itk::ImageFileReader<RGBImageType> ReaderType;
| |
| typedef itk::NthElementImageAdaptor<RGBImageType, unsigned char> ImageAdaptorType;
| |
| typedef itk::ComposeImageFilter<ImageType, RGBImageType> ComposeType;
| |
| typedef itk::CurvatureFlowImageFilter<ImageAdaptorType, ImageType> CurvatureFlowType;
| |
| | |
| // Create and setup a reader
| |
| ReaderType::Pointer reader = ReaderType::New();
| |
| reader->SetFileName( inputFilename );
| |
| reader->Update();
| |
| | |
| // Run the filter for each component
| |
| ImageAdaptorType::Pointer rAdaptor =
| |
| ImageAdaptorType::New();
| |
| rAdaptor->SelectNthElement(0);
| |
| rAdaptor->SetImage(reader->GetOutput());
| |
| | |
| CurvatureFlowType::Pointer rCurvatureFilter =
| |
| CurvatureFlowType::New();
| |
| rCurvatureFilter->SetInput(rAdaptor);
| |
| rCurvatureFilter->SetNumberOfIterations(iterations);
| |
| rCurvatureFilter->Update();
| |
|
| |
| ImageAdaptorType::Pointer gAdaptor =
| |
| ImageAdaptorType::New();
| |
| gAdaptor->SelectNthElement(1);
| |
| gAdaptor->SetImage(reader->GetOutput());
| |
| | |
| CurvatureFlowType::Pointer gCurvatureFilter =
| |
| CurvatureFlowType::New();
| |
| gCurvatureFilter->SetInput(gAdaptor);
| |
| gCurvatureFilter->SetNumberOfIterations(iterations);
| |
| gCurvatureFilter->Update();
| |
|
| |
| ImageAdaptorType::Pointer bAdaptor =
| |
| ImageAdaptorType::New();
| |
| bAdaptor->SelectNthElement(2);
| |
| bAdaptor->SetImage(reader->GetOutput());
| |
| | |
| CurvatureFlowType::Pointer bCurvatureFilter =
| |
| CurvatureFlowType::New();
| |
| bCurvatureFilter->SetInput(bAdaptor);
| |
| bCurvatureFilter->SetNumberOfIterations(iterations);
| |
| bCurvatureFilter->Update();
| |
| | |
| // compose an RGB image from the three filtered images
| |
| | |
| ComposeType::Pointer compose =
| |
| ComposeType::New();
| |
| compose->SetInput1 (rCurvatureFilter->GetOutput());
| |
| compose->SetInput2 (gCurvatureFilter->GetOutput());
| |
| compose->SetInput3 (bCurvatureFilter->GetOutput());
| |
|
| |
| QuickView viewer;
| |
| viewer.AddRGBImage(
| |
| reader->GetOutput(),
| |
| true,
| |
| itksys::SystemTools::GetFilenameName(inputFilename));
| |
| | |
| std::stringstream desc;
| |
| desc << "CurvatureFlow iterations = " << iterations;
| |
| viewer.AddRGBImage( | |
| compose->GetOutput(),
| |
| true,
| |
| desc.str());
| |
| | |
| viewer.Visualize();
| |
| | |
| return EXIT_SUCCESS;
| |
| }
| |
| </source>
| |
| {{ITKVTKCMakeLists|{{SUBPAGENAME}}}}
| |
