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| <div class="floatcenter">[[File:ITK_Examples_Baseline_Smoothing_TestMeanImageFilter.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| | {{warning|1=The media wiki content on this page is no longer maintained.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.}} |
| Replace every pixel in an image with the mean of its neighbors.
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| ==MeanImageFilter.cxx==
| | [https://itk.org/ITKExamples/src/Filtering/Smoothing/ApplyMeanFilter/Documentation.html?highlight=meanimagefilter Mean filter an image] |
| <source lang="cpp">
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| #include "itkImage.h"
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| #include "itkImageFileReader.h"
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| #include "itkMeanImageFilter.h"
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| #include "itkSubtractImageFilter.h"
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| #include "QuickView.h"
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| int main(int argc, char * argv[])
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| {
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| // Verify command line arguments
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| if( argc < 2 )
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| {
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| std::cerr << argv[0] << " InputImageFile" << std::endl;
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| return EXIT_FAILURE;
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| }
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| | |
| // Setup types
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| typedef itk::Image< unsigned char, 2 > UnsignedCharImageType;
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| typedef itk::Image< float, 2 > FloatImageType;
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| typedef itk::ImageFileReader< UnsignedCharImageType > ReaderType;
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| typedef itk::MeanImageFilter<
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| UnsignedCharImageType, UnsignedCharImageType > filterType;
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| typedef itk::SubtractImageFilter<UnsignedCharImageType, UnsignedCharImageType, FloatImageType> SubtractType;
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| | |
| // Create and setup a reader
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| ReaderType::Pointer reader = ReaderType::New();
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| reader->SetFileName( argv[1] );
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| // Create and setup a mean filter
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| filterType::Pointer meanFilter = filterType::New();
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| meanFilter->SetInput( reader->GetOutput() );
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| SubtractType::Pointer diff = SubtractType::New();
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| diff->SetInput1(reader->GetOutput());
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| diff->SetInput2(meanFilter->GetOutput());
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| QuickView viewer;
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| viewer.AddImage(
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| reader->GetOutput(),true,
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| itksys::SystemTools::GetFilenameName(argv[1]));
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| std::stringstream desc;
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| desc << "Mean";
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| viewer.AddImage(
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| meanFilter->GetOutput(),
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| true,
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| desc.str());
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| std::stringstream desc2;
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| desc2 << "Original - Mean";
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| viewer.AddImage(
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| diff->GetOutput(),
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| true,
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| desc2.str());
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| viewer.Visualize();
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| return EXIT_SUCCESS;
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| }
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| </source>
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| {{ITKVTKCMakeLists|{{SUBPAGENAME}}}}
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