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| <div class="floatcenter">[[File:ITK_Examples_Baseline_Morphology_TestBinaryMorphologicalClosingImageFilter.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| | {{warning|1=The media wiki content on this page is no longer maintained.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.}} |
| ==BinaryMorphologicalClosingImageFilter.cxx==
| |
| <source lang="cpp">
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| #include "itkImage.h"
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| #include "itkBinaryMorphologicalClosingImageFilter.h"
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| #include "itkImageFileReader.h"
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| #include "itkBinaryBallStructuringElement.h"
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| #include "itkSubtractImageFilter.h"
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| | |
| #include "QuickView.h"
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| | |
| typedef itk::Image<unsigned char, 2> ImageType;
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| | |
| static void CreateImage(ImageType* const image);
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| | |
| int main(int argc, char *argv[])
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| { | |
| ImageType::Pointer image;
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| | |
| if(argc == 1)
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| {
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| image = ImageType::New();
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| CreateImage(image);
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| }
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| else
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| {
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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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| reader->Update();
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| image = reader->GetOutput();
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| }
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| | |
| unsigned int radius = 5;
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| if (argc == 3)
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| {
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| std::stringstream ss(argv[2]);
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| ss >> radius;
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| }
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| std::cout << "Radius: " << radius << std::endl;
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| typedef itk::BinaryBallStructuringElement<ImageType::PixelType, ImageType::ImageDimension>
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| StructuringElementType;
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| StructuringElementType structuringElement;
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| structuringElement.SetRadius(radius);
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| structuringElement.CreateStructuringElement();
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| | |
| typedef itk::BinaryMorphologicalClosingImageFilter <ImageType, ImageType, StructuringElementType>
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| BinaryMorphologicalClosingImageFilterType;
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| BinaryMorphologicalClosingImageFilterType::Pointer closingFilter
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| = BinaryMorphologicalClosingImageFilterType::New();
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| closingFilter->SetInput(image);
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| closingFilter->SetKernel(structuringElement);
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| closingFilter->Update();
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| | |
| typedef itk::SubtractImageFilter<ImageType> SubtractType;
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| SubtractType::Pointer diff = SubtractType::New();
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| diff->SetInput1(closingFilter->GetOutput());
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| diff->SetInput2(image);
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| | |
| QuickView viewer;
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| std::stringstream desc;
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| desc << "Original ";
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| viewer.AddImage(image.GetPointer(),
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| true,
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| desc.str());
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| | |
| std::stringstream desc2;
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| desc2 << "BinaryClosing, radius = " << radius; | |
| viewer.AddImage(closingFilter->GetOutput(),
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| true,
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| desc2.str());
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| | |
| std::stringstream desc3;
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| desc3 << "BinaryClosing - Original";
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| viewer.AddImage(diff->GetOutput(),
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| true,
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| desc3.str());
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| viewer.Visualize();
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| | |
| return EXIT_SUCCESS;
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| }
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| | |
| | |
| void CreateImage(ImageType* const image)
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| {
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| // Create an image with 2 connected components
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| itk::Index<2> corner = {{0,0}};
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| | |
| itk::Size<2> size;
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| unsigned int NumRows = 200;
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| unsigned int NumCols = 300;
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| size[0] = NumRows;
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| size[1] = NumCols;
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| | |
| itk::ImageRegion<2> region(corner, size);
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| | |
| image->SetRegions(region);
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| image->Allocate();
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| | |
| // Make a square
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| for(unsigned int r = 40; r < 100; r++)
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| {
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| for(unsigned int c = 40; c < 100; c++)
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| {
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| itk::Index<2> pixelIndex;
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| pixelIndex[0] = r;
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| pixelIndex[1] = c;
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| | |
| image->SetPixel(pixelIndex, 50);
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| }
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| }
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| }
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| </source>
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| | |
| {{ITKVTKCMakeLists|BinaryMorphologicalClosingImageFilter}}
| |
