ITK
4.12.0
Insight Segmentation and Registration Toolkit
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#include <itkRealToHalfHermitianForwardFFTImageFilter.h>
Base class for specialized real-to-complex 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 complex Fourier transform. The Fourier transform of a real input image has Hermitian symmetry: . 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 takes advantage of the Hermitian symmetry property and reduces the size of the output in the first dimension to N/2+1, where N is the size of the input image in that dimension and the division by 2 is rounded down.
Definition at line 54 of file itkRealToHalfHermitianForwardFFTImageFilter.h.
Public Types | |
typedef SmartPointer< const Self > | ConstPointer |
typedef TInputImage | InputImageType |
typedef InputImageType::IndexType | InputIndexType |
typedef InputImageType::PixelType | InputPixelType |
typedef InputImageType::SizeType | InputSizeType |
typedef TOutputImage | OutputImageType |
typedef OutputImageType::IndexType | OutputIndexType |
typedef OutputImageType::PixelType | OutputPixelType |
typedef OutputIndexType::SizeType | OutputSizeType |
typedef SmartPointer< Self > | Pointer |
typedef RealToHalfHermitianForwardFFTImageFilter | Self |
typedef ImageToImageFilter < InputImageType, OutputImageType > | Superclass |
Public Types inherited from itk::ImageToImageFilter< TInputImage, TOutputImage > | |
typedef SmartPointer< const Self > | ConstPointer |
typedef InputImageType::ConstPointer | InputImageConstPointer |
typedef InputImageType::PixelType | InputImagePixelType |
typedef InputImageType::Pointer | InputImagePointer |
typedef InputImageType::RegionType | InputImageRegionType |
typedef TInputImage | InputImageType |
typedef Superclass::OutputImagePixelType | OutputImagePixelType |
typedef Superclass::OutputImageRegionType | OutputImageRegionType |
typedef SmartPointer< Self > | Pointer |
typedef ImageToImageFilter | Self |
typedef ImageSource< TOutputImage > | Superclass |
Public Types inherited from itk::ImageSource< TOutputImage > | |
typedef SmartPointer< const Self > | ConstPointer |
typedef Superclass::DataObjectIdentifierType | DataObjectIdentifierType |
typedef DataObject::Pointer | DataObjectPointer |
typedef Superclass::DataObjectPointerArraySizeType | DataObjectPointerArraySizeType |
typedef OutputImageType::PixelType | OutputImagePixelType |
typedef OutputImageType::Pointer | OutputImagePointer |
typedef OutputImageType::RegionType | OutputImageRegionType |
typedef TOutputImage | OutputImageType |
typedef SmartPointer< Self > | Pointer |
typedef ImageSource | Self |
typedef ProcessObject | Superclass |
Public Types inherited from itk::ProcessObject | |
typedef SmartPointer< const Self > | ConstPointer |
typedef DataObject::DataObjectIdentifierType | DataObjectIdentifierType |
typedef DataObject::Pointer | DataObjectPointer |
typedef std::vector < DataObjectPointer > | DataObjectPointerArray |
typedef DataObjectPointerArray::size_type | DataObjectPointerArraySizeType |
typedef std::vector < DataObjectIdentifierType > | NameArray |
typedef SmartPointer< Self > | Pointer |
typedef ProcessObject | Self |
typedef Object | Superclass |
Public Types inherited from itk::Object | |
typedef SmartPointer< const Self > | ConstPointer |
typedef SmartPointer< Self > | Pointer |
typedef Object | Self |
typedef LightObject | Superclass |
Public Types inherited from itk::LightObject | |
typedef SmartPointer< const Self > | ConstPointer |
typedef SmartPointer< Self > | Pointer |
typedef LightObject | Self |
Static Public Member Functions | |
static Pointer | New () |
Static Public Member Functions inherited from itk::Object | |
static bool | GetGlobalWarningDisplay () |
static void | GlobalWarningDisplayOff () |
static void | GlobalWarningDisplayOn () |
static Pointer | New () |
static void | SetGlobalWarningDisplay (bool flag) |
Static Public Member Functions inherited from itk::LightObject | |
static void | BreakOnError () |
static Pointer | New () |
typedef SmartPointer< const Self > itk::RealToHalfHermitianForwardFFTImageFilter< TInputImage, TOutputImage >::ConstPointer |
Definition at line 71 of file itkRealToHalfHermitianForwardFFTImageFilter.h.
typedef TInputImage itk::RealToHalfHermitianForwardFFTImageFilter< TInputImage, TOutputImage >::InputImageType |
Standard class typedefs.
Definition at line 59 of file itkRealToHalfHermitianForwardFFTImageFilter.h.
typedef InputImageType::IndexType itk::RealToHalfHermitianForwardFFTImageFilter< TInputImage, TOutputImage >::InputIndexType |
Definition at line 61 of file itkRealToHalfHermitianForwardFFTImageFilter.h.
typedef InputImageType::PixelType itk::RealToHalfHermitianForwardFFTImageFilter< TInputImage, TOutputImage >::InputPixelType |
Definition at line 60 of file itkRealToHalfHermitianForwardFFTImageFilter.h.
typedef InputImageType::SizeType itk::RealToHalfHermitianForwardFFTImageFilter< TInputImage, TOutputImage >::InputSizeType |
Definition at line 62 of file itkRealToHalfHermitianForwardFFTImageFilter.h.
typedef TOutputImage itk::RealToHalfHermitianForwardFFTImageFilter< TInputImage, TOutputImage >::OutputImageType |
Definition at line 63 of file itkRealToHalfHermitianForwardFFTImageFilter.h.
typedef OutputImageType::IndexType itk::RealToHalfHermitianForwardFFTImageFilter< TInputImage, TOutputImage >::OutputIndexType |
Definition at line 65 of file itkRealToHalfHermitianForwardFFTImageFilter.h.
typedef OutputImageType::PixelType itk::RealToHalfHermitianForwardFFTImageFilter< TInputImage, TOutputImage >::OutputPixelType |
Definition at line 64 of file itkRealToHalfHermitianForwardFFTImageFilter.h.
typedef OutputIndexType::SizeType itk::RealToHalfHermitianForwardFFTImageFilter< TInputImage, TOutputImage >::OutputSizeType |
Definition at line 66 of file itkRealToHalfHermitianForwardFFTImageFilter.h.
typedef SmartPointer< Self > itk::RealToHalfHermitianForwardFFTImageFilter< TInputImage, TOutputImage >::Pointer |
Definition at line 70 of file itkRealToHalfHermitianForwardFFTImageFilter.h.
typedef RealToHalfHermitianForwardFFTImageFilter itk::RealToHalfHermitianForwardFFTImageFilter< TInputImage, TOutputImage >::Self |
Definition at line 68 of file itkRealToHalfHermitianForwardFFTImageFilter.h.
typedef ImageToImageFilter< InputImageType, OutputImageType > itk::RealToHalfHermitianForwardFFTImageFilter< TInputImage, TOutputImage >::Superclass |
Definition at line 69 of file itkRealToHalfHermitianForwardFFTImageFilter.h.
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Definition at line 91 of file itkRealToHalfHermitianForwardFFTImageFilter.h.
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This class produces the entire output.
Reimplemented from itk::ProcessObject.
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This class requires the entire input.
Reimplemented from itk::ImageToImageFilter< TInputImage, TOutputImage >.
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protectedvirtual |
The output is a different size from the input because of Hermitian symmetry.
Reimplemented from itk::ProcessObject.
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Get whether the actual X dimension of the image is odd or not in the full representation
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Customized object creation methods that support configuration-based selection of FFT implementation.
Default implementation is VnlFFT.
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