|
|
(3 intermediate revisions by one other user not shown) |
Line 1: |
Line 1: |
| <div class="floatright">[[File:ITK_Examples_Baseline_Morphology_TestGrayscaleErodeImageFilter.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| | {{warning|1=The media wiki content on this page is no longer maintained.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. |
| Erode regions in a grayscale image using a specified kernel.
| | }} |
|
| |
|
| ==GrayscaleErodeImageFilter.cxx==
| | [https://itk.org/ITKExamples[ITK Sphinx Examples]] |
| <source lang="cpp">
| |
| #include "itkImage.h"
| |
| #include "itkGrayscaleErodeImageFilter.h"
| |
| #include "itkImageFileReader.h"
| |
| #include "itkBinaryBallStructuringElement.h"
| |
| | |
| #include "QuickView.h"
| |
| | |
| int main(int argc, char *argv[])
| |
| {
| |
| if(argc < 2)
| |
| {
| |
| std::cerr << "Usage: " << std::endl;
| |
| std::cerr << argv[0] << " InputImageFile [radius]" << std::endl;
| |
| return EXIT_FAILURE;
| |
| }
| |
| | |
| typedef itk::Image<unsigned char, 2> ImageType;
| |
| typedef itk::ImageFileReader<ImageType> ReaderType;
| |
| ReaderType::Pointer reader = ReaderType::New();
| |
| reader->SetFileName(argv[1]);
| |
| | |
| unsigned int radius = 2;
| |
| if (argc > 2)
| |
| {
| |
| radius = atoi(argv[2]);
| |
| }
| |
| | |
| typedef itk::BinaryBallStructuringElement<
| |
| ImageType::PixelType,
| |
| 2> StructuringElementType;
| |
| StructuringElementType structuringElement;
| |
| structuringElement.SetRadius(radius);
| |
| structuringElement.CreateStructuringElement();
| |
| | |
| typedef itk::GrayscaleErodeImageFilter <ImageType, ImageType, StructuringElementType>
| |
| GrayscaleErodeImageFilterType;
| |
| | |
| GrayscaleErodeImageFilterType::Pointer erodeFilter
| |
| = GrayscaleErodeImageFilterType::New();
| |
| erodeFilter->SetInput(reader->GetOutput());
| |
| erodeFilter->SetKernel(structuringElement);
| |
| | |
| QuickView viewer;
| |
| viewer.AddImage(reader->GetOutput());
| |
| viewer.AddImage(erodeFilter->GetOutput());
| |
| viewer.Visualize();
| |
| | |
| return EXIT_SUCCESS;
| |
| }
| |
| </source>
| |
| | |
| ==CMakeLists.txt==
| |
| <source lang="cmake">
| |
| cmake_minimum_required(VERSION 2.6)
| |
| | |
| PROJECT(GrayscaleErodeImageFilter)
| |
| | |
| include_directories(/home/doriad/src/ITK/Wrapping/WrapITK/ExternalProjects/ItkVtkGlue/src/)
| |
| | |
| FIND_PACKAGE(VTK REQUIRED)
| |
| INCLUDE(${VTK_USE_FILE})
| |
| | |
| FIND_PACKAGE(ITK REQUIRED)
| |
| INCLUDE(${ITK_USE_FILE})
| |
| | |
| ADD_EXECUTABLE(GrayscaleErodeImageFilter GrayscaleErodeImageFilter.cxx)
| |
| TARGET_LINK_LIBRARIES(GrayscaleErodeImageFilter
| |
| vtkHybrid
| |
| ITKBasicFilters ITKCommon ITKIO)
| |
| | |
| </source>
| |