ITK  4.9.0
Insight Segmentation and Registration Toolkit
WikiExamples/SimpleOperations/RGBPixel.cxx
#include <itkImage.h>
#include <itkRGBPixel.h>
int main(int argc, char *argv[])
{
typedef itk::RGBPixel<unsigned char> RGBPixelType;
typedef itk::Image<RGBPixelType> RGBImageType;
RGBImageType::Pointer image = RGBImageType::New();
return EXIT_SUCCESS;
}