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| <div class="floatcenter">[[File:ITK_Examples_Baseline_Segmentation_TestConnectedComponentImageFilterDemo.png|500px]]</div>
| | {{warning|1=The media wiki content on this page is no longer maintained.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.}} |
| ==ConnectedComponentImageFilterDemo.cxx==
| |
| <source lang="cpp">
| |
| #include "itkLiThresholdImageFilter.h"
| |
| #include "itkHuangThresholdImageFilter.h"
| |
| #include "itkIntermodesThresholdImageFilter.h"
| |
| #include "itkIsoDataThresholdImageFilter.h"
| |
| #include "itkKittlerIllingworthThresholdImageFilter.h"
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| #include "itkMaximumEntropyThresholdImageFilter.h"
| |
| #include "itkMomentsThresholdImageFilter.h"
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| #include "itkOtsuThresholdImageFilter.h"
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| #include "itkRenyiEntropyThresholdImageFilter.h"
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| #include "itkShanbhagThresholdImageFilter.h"
| |
| #include "itkTriangleThresholdImageFilter.h"
| |
| #include "itkYenThresholdImageFilter.h"
| |
| | |
| #include "itkConnectedComponentImageFilter.h"
| |
| #include "itkLabelToRGBImageFilter.h"
| |
| #include "itkImageFileReader.h"
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| #include "itkImageFileWriter.h"
| |
| | |
| #include "itksys/SystemTools.hxx"
| |
| #include <sstream>
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| #include <map>
| |
| #include "QuickView.h"
| |
| | |
| int main(int argc, char* argv[] )
| |
| { | |
| if( argc < 2 )
| |
| {
| |
| std::cout << "Usage: " << argv[0];
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| std::cout << " inputImageFile";
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| std::cerr << std::endl;
| |
| return EXIT_FAILURE;
| |
| }
| |
| | |
| typedef short InputPixelType;
| |
| typedef int OutputPixelType;
| |
| typedef itk::RGBPixel<unsigned char> RGBPixelType;
| |
| | |
| typedef itk::Image< InputPixelType, 2 > InputImageType;
| |
| typedef itk::Image< OutputPixelType, 2 > OutputImageType;
| |
| typedef itk::Image<RGBPixelType, 2> RGBImageType;
| |
| | |
| typedef itk::LiThresholdImageFilter<InputImageType, OutputImageType >
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| LiFilterType;
| |
| typedef itk::HuangThresholdImageFilter<InputImageType, OutputImageType >
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| HuangFilterType;
| |
| typedef itk::IntermodesThresholdImageFilter<InputImageType, OutputImageType >
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| IntermodesFilterType;
| |
| typedef itk::IsoDataThresholdImageFilter<InputImageType, OutputImageType >
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| IsoDataFilterType;
| |
| typedef itk::KittlerIllingworthThresholdImageFilter<InputImageType, OutputImageType >
| |
| KittlerIllingworthFilterType;
| |
| typedef itk::LiThresholdImageFilter<InputImageType, OutputImageType >
| |
| LiFilterType;
| |
| typedef itk::MaximumEntropyThresholdImageFilter<InputImageType, OutputImageType >
| |
| MaximumEntropyFilterType;
| |
| typedef itk::MomentsThresholdImageFilter<InputImageType, OutputImageType >
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| MomentsFilterType;
| |
| typedef itk::OtsuThresholdImageFilter<InputImageType, OutputImageType >
| |
| OtsuFilterType;
| |
| typedef itk::RenyiEntropyThresholdImageFilter<InputImageType, OutputImageType >
| |
| RenyiEntropyFilterType;
| |
| typedef itk::ShanbhagThresholdImageFilter<InputImageType, OutputImageType >
| |
| ShanbhagFilterType;
| |
| typedef itk::TriangleThresholdImageFilter<InputImageType, OutputImageType >
| |
| TriangleFilterType;
| |
| typedef itk::YenThresholdImageFilter<InputImageType, OutputImageType >
| |
| YenFilterType;
| |
| | |
| typedef itk::ConnectedComponentImageFilter <OutputImageType, OutputImageType >
| |
| ConnectedComponentImageFilterType;
| |
| typedef itk::LabelToRGBImageFilter<OutputImageType, RGBImageType> RGBFilterType;
| |
| | |
| typedef itk::ImageFileReader< InputImageType > ReaderType;
| |
| | |
| ReaderType::Pointer reader = ReaderType::New();
| |
| reader->SetFileName( argv[1] );
| |
| | |
| QuickView viewer;
| |
| viewer.AddImage(
| |
| reader->GetOutput(),true,
| |
| itksys::SystemTools::GetFilenameName(argv[1]));
| |
| | |
| typedef std::map<std::string, itk::HistogramThresholdImageFilter<InputImageType, OutputImageType>::Pointer> FilterContainerType;
| |
| FilterContainerType filterContainer;
| |
| | |
| filterContainer["Huang"] = HuangFilterType::New();
| |
| filterContainer["Intermodes"] = IntermodesFilterType::New();
| |
| filterContainer["IsoData"] = IsoDataFilterType::New();
| |
| filterContainer["KittlerIllingworth"] = KittlerIllingworthFilterType::New();
| |
| filterContainer["Li"] = LiFilterType::New();
| |
| filterContainer["MaximumEntropy"] = MaximumEntropyFilterType::New();
| |
| filterContainer["Moments"] = MomentsFilterType::New();
| |
| filterContainer["Otsu"] = OtsuFilterType::New();
| |
| filterContainer["RenyiEntropy"] = RenyiEntropyFilterType::New();
| |
| filterContainer["Shanbhag"] = ShanbhagFilterType::New();
| |
| filterContainer["Triangle"] = TriangleFilterType::New();
| |
| filterContainer["Yen"] = YenFilterType::New();
| |
| | |
| FilterContainerType::iterator it = filterContainer.begin();
| |
| for (it = filterContainer.begin(); it != filterContainer.end(); ++it)
| |
| {
| |
| (*it).second->SetInsideValue( 255 );
| |
| (*it).second->SetOutsideValue( 0 );
| |
| (*it).second->SetNumberOfHistogramBins( 25 );
| |
| (*it).second->SetInput( reader->GetOutput() );
| |
| try
| |
| {
| |
| (*it).second->Update();
| |
| }
| |
| catch( itk::ExceptionObject & err )
| |
| {
| |
| std::cout << "Caught exception" << std::endl;
| |
| std::cout << err << std::endl;
| |
| continue;
| |
| }
| |
| ConnectedComponentImageFilterType::Pointer connected =
| |
| ConnectedComponentImageFilterType::New ();
| |
| connected->SetInput((*it).second->GetOutput());
| |
| | |
| RGBFilterType::Pointer rgbFilter = RGBFilterType::New();
| |
| rgbFilter->SetInput( connected->GetOutput() );
| |
| std::stringstream desc;
| |
| desc << (*it).first << " threshold = "
| |
| << (*it).second->GetThreshold();
| |
| viewer.AddRGBImage(
| |
| rgbFilter->GetOutput(),
| |
| true,
| |
| desc.str());
| |
| }
| |
| | |
| viewer.Visualize();
| |
| return EXIT_SUCCESS;
| |
| }
| |
| </source>
| |
| | |
| {{ITKVTKCMakeLists|{{SUBPAGENAME}}}}
| |
