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| <div class="floatright">[[File:ITK_Examples_Baseline_Morphology_TestFlatStructuringElement.png]]</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| | {{warning|1=The media wiki content on this page is no longer maintained.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.}} |
| Create a structuring element (kernel) that can be used for any of the morphology filters.
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| ==FlatStructuringElement.cxx==
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| <source lang="cpp">
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| #include "itkImage.h"
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| #include "itkBinaryErodeImageFilter.h"
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| #include "itkImageFileReader.h"
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| #include "itkBinaryBallStructuringElement.h"
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| #include "QuickView.h"
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| int main(int argc, char *argv[])
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| { | |
| if(argc < 2)
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| {
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| std::cerr << argv[0] << " InputImageFile [radius]" << std::endl;
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| return EXIT_FAILURE;
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| }
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| unsigned int radius = 2;
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| if (argc > 2)
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| {
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| radius = atoi(argv[2]);
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| }
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| typedef itk::Image<unsigned char, 2> ImageType;
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| typedef itk::ImageFileReader<ImageType> ReaderType;
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| ReaderType::Pointer reader = ReaderType::New();
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| reader->SetFileName(argv[1]);
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|
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| typedef itk::FlatStructuringElement<2> StructuringElementType;
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| StructuringElementType::RadiusType elementRadius;
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| elementRadius.Fill(3);
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| StructuringElementType structuringElement = StructuringElementType::Box(elementRadius);
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| typedef itk::BinaryErodeImageFilter <ImageType, ImageType, StructuringElementType>
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| BinaryErodeImageFilterType;
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| BinaryErodeImageFilterType::Pointer erodeFilter
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| = BinaryErodeImageFilterType::New();
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| erodeFilter->SetInput(reader->GetOutput());
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| erodeFilter->SetKernel(structuringElement);
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| erodeFilter->SetErodeValue(255);
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| QuickView viewer;
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| viewer.AddImage(reader->GetOutput());
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| viewer.AddImage(erodeFilter->GetOutput());
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| viewer.Visualize();
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| return EXIT_SUCCESS; | |
| }
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| </source>
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| ==CMakeLists.txt==
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| <source lang="cmake">
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| cmake_minimum_required(VERSION 2.6)
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| PROJECT(FlatStructuringElement)
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| include_directories(/home/doriad/src/ITK/Wrapping/WrapITK/ExternalProjects/ItkVtkGlue/src/)
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| FIND_PACKAGE(VTK REQUIRED)
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| INCLUDE(${VTK_USE_FILE})
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| FIND_PACKAGE(ITK REQUIRED)
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| INCLUDE(${ITK_USE_FILE})
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| ADD_EXECUTABLE(FlatStructuringElement FlatStructuringElement.cxx)
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| TARGET_LINK_LIBRARIES(FlatStructuringElement
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| vtkHybrid
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| ITKBasicFilters ITKCommon ITKIO)
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| </source>
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