ITK  4.9.0
Insight Segmentation and Registration Toolkit
WikiExamples/Smoothing/VectorMeanImageFilter.cxx
#include "itkImage.h"
#include "itkRGBPixel.h"
#include "itkVector.h"
#include "itksys/SystemTools.hxx"
#include <sstream>
#include "QuickView.h"
int main(int argc, char * argv[])
{
// Verify command line arguments
if( argc < 2 )
{
std::cerr << "Usage: " << std::endl;
std::cerr << argv[0] << " InputImageFile [radius]" << std::endl;
return EXIT_FAILURE;
}
std::string inputFilename = argv[1];
// Setup types
typedef itk::Vector<float,3> PixelType;
typedef itk::Image<PixelType, 2 > ImageType;
typedef itk::RGBPixel<unsigned char> RGBPixelType;
typedef itk::Image<RGBPixelType, 2 > RGBImageType;
typedef itk::ImageFileReader<ImageType> ReaderType;
// Create and setup a reader
ReaderType::Pointer reader = ReaderType::New();
reader->SetFileName( inputFilename );
FilterType::InputSizeType radius;
radius.Fill(2);
if (argc > 2)
{
radius.Fill(atoi(argv[2]));
}
// Create and setup a mean filter
FilterType::Pointer meanFilter = FilterType::New();
meanFilter->SetRadius(radius);
meanFilter->SetInput(reader->GetOutput());
// Cast the custom Vector's to RGBPixel's
CastType::Pointer castReader = CastType::New();
castReader->SetInput(reader->GetOutput());
CastType::Pointer castMean = CastType::New();
castMean->SetInput(meanFilter->GetOutput());
QuickView viewer;
viewer.AddRGBImage(
castReader->GetOutput(),
true,
itksys::SystemTools::GetFilenameName(inputFilename));
std::stringstream desc;
desc << "MeanImageFilter, radius = " << radius;
viewer.AddRGBImage(
castMean->GetOutput(),
true,
desc.str());
viewer.Visualize();
return EXIT_SUCCESS;
}