Package org.itk.simple
Class ForwardFFTImageFilter
java.lang.Object
org.itk.simple.ProcessObject
org.itk.simple.ImageFilter
org.itk.simple.ForwardFFTImageFilter
Base class for forward Fast Fourier Transform .
This is a base class for the "forward" or "direct" discrete
Fourier Transform . This is an abstract base class: the actual implementation is
provided by the best child class available on the system when the
object is created via the object factory system.
This class transforms a real input image into its full complex Fourier
transform. The Fourier transform of a real input image has Hermitian
symmetry: $ f(\\mathbf{x}) = f^*(-\\mathbf{x}) $ . That is, when the result of the transform is split in half along
the x-dimension, the values in the second half of the transform are
the complex conjugates of values in the first half reflected about the
center of the image in each dimension.
This filter works only for real single-component input image types.
The output generated from a ForwardFFTImageFilter is in the dual space or frequency domain. Refer to FrequencyFFTLayoutImageRegionConstIteratorWithIndex for a description of the layout of frequencies generated after a
forward FFT. Also see ITKImageFrequency for a set of filters requiring
input images in the frequency domain.
See:
Forward1DFFTImageFilter
InverseFFTImageFilter
ComplexToComplexFFTImageFilter
itk::simple::ForwardFFT for the procedural interface
itk::ForwardFFTImageFilter for the Doxygen on the original ITK class.
C++ includes: sitkForwardFFTImageFilter.h
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Field Summary
Fields inherited from class org.itk.simple.ProcessObject
swigCMemOwn
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Constructor Summary
ConstructorsModifierConstructorDescriptionitk::simple::ForwardFFTImageFilter::ForwardFFTImageFilter() Default Constructor that takes no arguments and initializes default parametersprotected
ForwardFFTImageFilter
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Method Summary
Modifier and TypeMethodDescriptionvoid
delete()
virtual itk::simple::ForwardFFTImageFilter::~ForwardFFTImageFilter() DestructorImage itk::simple::ForwardFFTImageFilter::Execute(const Image &image1) Execute the filter on the input imageprotected void
finalize()
protected static long
getName()
std::string itk::simple::ForwardFFTImageFilter::GetName() const Name of this classprotected static long
toString()
std::string itk::simple::ForwardFFTImageFilter::ToString() const Print ourselves outMethods inherited from class org.itk.simple.ImageFilter
getCPtr, swigRelease
Methods inherited from class org.itk.simple.ProcessObject
abort, addCommand, debugOff, debugOn, getCPtr, getDebug, getGlobalDefaultCoordinateTolerance, getGlobalDefaultDebug, getGlobalDefaultDirectionTolerance, getGlobalDefaultNumberOfThreads, getGlobalDefaultThreader, getGlobalWarningDisplay, getNumberOfThreads, getNumberOfWorkUnits, getProgress, globalDefaultDebugOff, globalDefaultDebugOn, globalWarningDisplayOff, globalWarningDisplayOn, hasCommand, removeAllCommands, setDebug, setGlobalDefaultCoordinateTolerance, setGlobalDefaultDebug, setGlobalDefaultDirectionTolerance, setGlobalDefaultNumberOfThreads, setGlobalDefaultThreader, setGlobalWarningDisplay, setNumberOfThreads, setNumberOfWorkUnits, swigRelease
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Constructor Details
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ForwardFFTImageFilter
protected ForwardFFTImageFilter(long cPtr, boolean cMemoryOwn) -
ForwardFFTImageFilter
public ForwardFFTImageFilter()itk::simple::ForwardFFTImageFilter::ForwardFFTImageFilter() Default Constructor that takes no arguments and initializes default parameters
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Method Details
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getCPtr
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swigRelease
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finalize
protected void finalize()- Overrides:
finalize
in classImageFilter
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delete
public void delete()virtual itk::simple::ForwardFFTImageFilter::~ForwardFFTImageFilter() Destructor- Overrides:
delete
in classImageFilter
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getName
std::string itk::simple::ForwardFFTImageFilter::GetName() const Name of this class- Overrides:
getName
in classProcessObject
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toString
std::string itk::simple::ForwardFFTImageFilter::ToString() const Print ourselves out- Overrides:
toString
in classProcessObject
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execute
Image itk::simple::ForwardFFTImageFilter::Execute(const Image &image1) Execute the filter on the input image
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