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| ==MedianImageFunction.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| | {{warning|1=The media wiki content on this page is no longer maintained.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">
| | }} |
| #include "itkImage.h"
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| #include "itkImageFileWriter.h"
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| #include "itkImageRegionIterator.h"
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| #include "itkMedianImageFunction.h"
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| | |
| typedef itk::Image< unsigned char, 2 > UnsignedCharImageType;
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| | |
| void CreateImage(UnsignedCharImageType::Pointer image);
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| | |
| int main( int argc, char * argv[] )
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| { | |
| UnsignedCharImageType::Pointer image = UnsignedCharImageType::New();
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| CreateImage(image);
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|
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| typedef itk::MedianImageFunction< UnsignedCharImageType > MedianImageFunctionType;
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| MedianImageFunctionType::Pointer medianImageFunction = MedianImageFunctionType::New();
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| medianImageFunction->SetInputImage( image );
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|
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| itk::Index<2> index;
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| index.Fill(10);
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| std::cout << "Median at " << index << " is " << static_cast<int>(medianImageFunction->EvaluateAtIndex(index)) << std::endl;
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| return EXIT_SUCCESS;
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| }
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| | |
| void CreateImage(UnsignedCharImageType::Pointer image)
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| {
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| itk::Index<2> start;
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| start.Fill(0);
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|
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| itk::Size<2> size;
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| size.Fill(100);
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| itk::ImageRegion<2> region(start,size);
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|
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| image->SetRegions(region);
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| image->Allocate();
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| image->FillBuffer(0);
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|
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| itk::ImageRegionIterator<UnsignedCharImageType> imageIterator(image,region);
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| | |
| while(!imageIterator.IsAtEnd())
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| {
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| if(imageIterator.GetIndex()[0] >= 50 && imageIterator.GetIndex()[1] >= 50 &&
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| imageIterator.GetIndex()[0] <= 70 && imageIterator.GetIndex()[1] <= 70)
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| {
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| imageIterator.Set(255);
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| }
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|
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| ++imageIterator;
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| }
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|
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| typedef itk::ImageFileWriter < UnsignedCharImageType > WriterType; | |
| WriterType::Pointer writer = WriterType::New();
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| writer->SetFileName("input.png");
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| writer->SetInput(image);
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| writer->Update();
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| }
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| | |
| </source>
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| | |
| | |
| {{ITKCMakeLists|MedianImageFunction}}
| |
