Class FFTConvolutionImageFilter


public class FFTConvolutionImageFilter extends ImageFilter
Convolve a given image with an arbitrary image kernel using multiplication in the Fourier domain. This filter produces output equivalent to the output of the ConvolutionImageFilter . However, it takes advantage of the convolution theorem to accelerate the convolution computation when the kernel is large. WARNING: This filter ignores the spacing, origin, and orientation of the kernel image and treats them as identical to those in the input image. This code was adapted from the Insight Journal contribution: "FFT Based Convolution" by Gaetan Lehmann https://www.insight-journal.org/browse/publication/717 See: ConvolutionImageFilter InverseDeconvolutionImageFilter IterativeDeconvolutionImageFilter itk::simple::FFTConvolution for the procedural interface itk::FFTConvolutionImageFilter for the Doxygen on the original ITK class. C++ includes: sitkFFTConvolutionImageFilter.h
  • Constructor Details

    • FFTConvolutionImageFilter

      protected FFTConvolutionImageFilter(long cPtr, boolean cMemoryOwn)
    • FFTConvolutionImageFilter

      public FFTConvolutionImageFilter()
      itk::simple::FFTConvolutionImageFilter::FFTConvolutionImageFilter() Default Constructor that takes no arguments and initializes default parameters
  • Method Details

    • getCPtr

      protected static long getCPtr(FFTConvolutionImageFilter obj)
    • swigRelease

      protected static long swigRelease(FFTConvolutionImageFilter obj)
    • finalize

      protected void finalize()
      Overrides:
      finalize in class ImageFilter
    • delete

      public void delete()
      virtual itk::simple::FFTConvolutionImageFilter::~FFTConvolutionImageFilter() Destructor
      Overrides:
      delete in class ImageFilter
    • setNormalize

      public void setNormalize(boolean Normalize)
      Self& itk::simple::FFTConvolutionImageFilter::SetNormalize(bool Normalize) Normalize the output image by the sum of the kernel components
    • normalizeOn

      public void normalizeOn()
      Self& itk::simple::FFTConvolutionImageFilter::NormalizeOn() Set the value of Normalize to true or false respectfully.
    • normalizeOff

      public void normalizeOff()
      Self& itk::simple::FFTConvolutionImageFilter::NormalizeOff()
    • getNormalize

      public boolean getNormalize()
      bool itk::simple::FFTConvolutionImageFilter::GetNormalize() const
    • setBoundaryCondition

      public void setBoundaryCondition(FFTConvolutionImageFilter.BoundaryConditionType BoundaryCondition)
      Self& itk::simple::FFTConvolutionImageFilter::SetBoundaryCondition(BoundaryConditionType BoundaryCondition)
    • getBoundaryCondition

      public FFTConvolutionImageFilter.BoundaryConditionType getBoundaryCondition()
      BoundaryConditionType itk::simple::FFTConvolutionImageFilter::GetBoundaryCondition() const
    • setOutputRegionMode

      public void setOutputRegionMode(FFTConvolutionImageFilter.OutputRegionModeType OutputRegionMode)
      Self& itk::simple::FFTConvolutionImageFilter::SetOutputRegionMode(OutputRegionModeType OutputRegionMode)
    • getOutputRegionMode

      public FFTConvolutionImageFilter.OutputRegionModeType getOutputRegionMode()
      OutputRegionModeType itk::simple::FFTConvolutionImageFilter::GetOutputRegionMode() const
    • getName

      public String getName()
      std::string itk::simple::FFTConvolutionImageFilter::GetName() const Name of this class
      Overrides:
      getName in class ProcessObject
    • toString

      public String toString()
      std::string itk::simple::FFTConvolutionImageFilter::ToString() const Print ourselves out
      Overrides:
      toString in class ProcessObject
    • execute

      public Image execute(Image image, Image kernelImage)
      Image itk::simple::FFTConvolutionImageFilter::Execute(const Image &image, const Image &kernelImage) Execute the filter on the input image