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| ==ScalarConnectedComponentImageFilter.cxx== | | {{warning|1=The media wiki content on this page is no longer maintained.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.}} |
| <source lang="cpp">
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| #include "itkBinomialBlurImageFilter.h"
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| #include "itkImage.h"
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| #include "itkImageFileReader.h"
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| #include "itkImageFileWriter.h"
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| #include "itkScalarConnectedComponentImageFilter.h"
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| typedef itk::Image< unsigned char, 2 > ImageType;
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| static void CreateImage(ImageType::Pointer image);
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| int main( int argc, char *argv[])
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| {
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| ImageType::Pointer image = ImageType::New();
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| CreateImage(image);
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|
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| typedef itk::ScalarConnectedComponentImageFilter<ImageType, ImageType> ScalarConnectedComponentImageFilterType;
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| ScalarConnectedComponentImageFilterType::Pointer scalarConnectedComponentFilter = ScalarConnectedComponentImageFilterType::New();
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| scalarConnectedComponentFilter->SetInput(image);
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| scalarConnectedComponentFilter->Update();
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| typedef itk::ImageFileWriter< ImageType > WriterType;
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| WriterType::Pointer writer = WriterType::New();
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| writer->SetFileName("output.png");
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| writer->SetInput(scalarConnectedComponentFilter->GetOutput());
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| writer->Update();
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|
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| return EXIT_SUCCESS;
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| }
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| void CreateImage(ImageType::Pointer image)
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| {
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| // Create an image with 2 connected components
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| ImageType::IndexType start;
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| start.Fill(0);
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| ImageType::SizeType size;
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| size.Fill(100);
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| ImageType::RegionType region(start,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 = 20; r < 80; r++)
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| {
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| for(unsigned int c = 30; c < 100; c++)
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| {
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| ImageType::IndexType pixelIndex;
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| pixelIndex[0] = r;
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| pixelIndex[1] = c;
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| image->SetPixel(pixelIndex, 255);
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| }
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| }
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|
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| typedef itk::BinomialBlurImageFilter<ImageType, ImageType > BinomialBlurImageFilterType;
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| BinomialBlurImageFilterType::Pointer binomialBlurImageFilter = BinomialBlurImageFilterType::New();
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| binomialBlurImageFilter->SetInput( image );
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| binomialBlurImageFilter->SetRepetitions( 4 );
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| binomialBlurImageFilter->Update();
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|
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| image->Graft(binomialBlurImageFilter->GetOutput());
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| }
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| </source>
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| {{ITKCMakeLists|ScalarConnectedComponentImageFilter|}}
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