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| ==NoiseImageFilter.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| | {{warning|1=The media wiki content on this page is no longer maintained.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 "itkImage.h"
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| #include "itkNoiseImageFilter.h"
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| #include "itkImageFileWriter.h"
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| | |
| typedef itk::Image<float, 2> ImageType;
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| | |
| void CreateImage(ImageType::Pointer image);
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| int main(int argc, char *argv[])
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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::NoiseImageFilter< ImageType, ImageType > NoiseImageFilterType;
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| NoiseImageFilterType::Pointer noiseImageFilter = NoiseImageFilterType::New();
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| noiseImageFilter->SetInput(image);
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| noiseImageFilter->SetRadius(1);
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| noiseImageFilter->Update();
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|
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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.mhd");
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| writer->SetInput(noiseImageFilter->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 that is mostly constant but has some different kinds of objects.
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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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|
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| ImageType::RegionType region(start,size);
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|
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| // Create a black image
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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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| // Create a white square
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| itk::ImageRegionIterator<ImageType> 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()[0] < 70 &&
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| imageIterator.GetIndex()[1] > 50 && imageIterator.GetIndex()[1] < 70 )
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| {
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| imageIterator.Set(255);
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| }
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| ++imageIterator;
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| }
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| // Create a rogue white pixel | |
| ImageType::IndexType pixel;
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| pixel.Fill(20);
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| image->SetPixel(pixel, 255);
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| typedef itk::ImageFileWriter< ImageType > WriterType;
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| WriterType::Pointer writer = WriterType::New();
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| writer->SetFileName("input.mhd");
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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|{{SUBPAGENAME}}}}
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