ITK/Examples/Smoothing/SmoothingRecursiveGaussianImageFilter

SmoothingRecursiveGaussianImageFilter.cxx

<source lang="cpp">

1. include "itkImage.h"
2. include "itkImageFileReader.h"
3. include "itkDiscreteGaussianImageFilter.h"
4. include "itkSmoothingRecursiveGaussianImageFilter.h"
5. include "itkCovariantVector.h"
6. include "itkNthElementImageAdaptor.h"

int main(int argc, char * argv[]) {

const unsigned int Dimension = 2;
typedef unsigned char PixelComponentType;

typedef itk::Image<itk::CovariantVector< PixelComponentType, 3>,
          Dimension > ColorImageType;
                     
typedef itk::Image<PixelComponentType, Dimension >   ScalarImageType;

ColorImageType::Pointer image = ColorImageType::New();

typedef itk::NthElementImageAdaptor<ColorImageType,
           PixelComponentType> ImageAdaptorType;

ImageAdaptorType::Pointer adaptor = ImageAdaptorType::New();
adaptor->SelectNthElement(0);
adaptor->SetImage(image);

typedef itk::SmoothingRecursiveGaussianImageFilter<
   ImageAdaptorType, ScalarImageType >  filterType;

filterType::Pointer gaussianFilter = filterType::New();
gaussianFilter->SetInput(adaptor);
gaussianFilter->Update();

return EXIT_SUCCESS;

} </source>

CMakeLists.txt

<source lang="cmake"> cmake_minimum_required(VERSION 2.6)

PROJECT(SmoothingRecursiveGaussianImageFilter)

FIND_PACKAGE(ITK REQUIRED) INCLUDE(${ITK_USE_FILE})

ADD_EXECUTABLE(SmoothingRecursiveGaussianImageFilter SmoothingRecursiveGaussianImageFilter.cxx) TARGET_LINK_LIBRARIES(SmoothingRecursiveGaussianImageFilter ITKIO)

</source>