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| <div class="floatcenter">[[File:ITK_Examples_Baseline_Morphology_TestBinaryMorphologicalOpeningImageFilter.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| | {{warning|1=The media wiki content on this page is no longer maintained.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.}} |
| This doesn't seem to actually change the image?
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| ==BinaryMorphologicalOpeningImageFilter.cxx==
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| <source lang="cpp">
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| #include "itkImage.h"
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| #include "itkBinaryMorphologicalOpeningImageFilter.h"
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| #include "itkImageFileReader.h"
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| #include "itkBinaryBallStructuringElement.h"
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| #include "itkImageFileWriter.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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| // std::cerr << "Usage: " << std::endl;
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| // std::cerr << argv[0] << " InputImageFile OutputImageFile [radius]" << std::endl;
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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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| | |
| 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::BinaryMorphologicalOpeningImageFilter <ImageType, ImageType, StructuringElementType>
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| BinaryMorphologicalOpeningImageFilterType;
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| BinaryMorphologicalOpeningImageFilterType::Pointer openingFilter
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| = BinaryMorphologicalOpeningImageFilterType::New();
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| openingFilter->SetInput(image);
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| openingFilter->SetKernel(structuringElement);
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| openingFilter->Update();
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| | |
| // typedef itk::ImageFileWriter< ImageType > WriterType; | |
| // WriterType::Pointer writer = WriterType::New(); | |
| // writer->SetInput( dilateFilter->GetOutput() );
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| // writer->SetFileName( argv[2] );
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| // writer->Update();
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| | |
| QuickView viewer;
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| viewer.AddImage(image.GetPointer());
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| viewer.AddImage(openingFilter->GetOutput());
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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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| {{ITKCMakeLists|BinaryMorphologicalOpeningImageFilter}}
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