ITK  5.0.0
Insight Segmentation and Registration Toolkit
Public Types | Public Member Functions | Static Public Member Functions | Static Public Attributes | Protected Member Functions | Private Attributes | List of all members
itk::FFTWComplexToComplexFFTImageFilter< TImage > Class Template Reference
FourierTransform | MultiThreaded Filters | Module ITKFFT

#include <itkFFTWComplexToComplexFFTImageFilter.h>

+ Inheritance diagram for itk::FFTWComplexToComplexFFTImageFilter< TImage >:
+ Collaboration diagram for itk::FFTWComplexToComplexFFTImageFilter< TImage >:

Detailed Description

template<typename TImage>
class itk::FFTWComplexToComplexFFTImageFilter< TImage >

Implements an API to enable the Fourier transform or the inverse Fourier transform of images with complex valued voxels to be computed using either FFTW from MIT or the FFTW interface in Intel MKL.

This filter is multithreaded and supports input images with sizes which are not a power of two.

This code was contributed in the Insight Journal paper: "FFT Complex to Complex filters and helper classes" by Warfield S. https://hdl.handle.net/1926/326 http://www.insight-journal.org/browse/publication/128

Author
Simon K. Warfield simon.warfield@childrens.harvard.edu
Note
Attribution Notice. This research work was made possible by Grant Number R01 RR021885 (PI Simon K. Warfield, Ph.D.) from the National Center for Research Resources (NCRR), a component of the National Institutes of Health (NIH). Its contents are solely the responsibility of the authors and do not necessarily represent the official view of NCRR or NIH.
See Also
FFTWGlobalConfiguration

Definition at line 59 of file itkFFTWComplexToComplexFFTImageFilter.h.

Public Types

using ConstPointer = SmartPointer< const Self >
 
using FFTWProxyType = typename fftw::Proxy< typename PixelType::value_type >
 
using ImageSizeType = typename ImageType::SizeType
 
using ImageType = TImage
 
using InputImageType = typename Superclass::InputImageType
 
using OutputImageRegionType = typename OutputImageType::RegionType
 
using OutputImageType = typename Superclass::OutputImageType
 
using PixelType = typename ImageType::PixelType
 
using Pointer = SmartPointer< Self >
 
using Self = FFTWComplexToComplexFFTImageFilter
 
using Superclass = ComplexToComplexFFTImageFilter< TImage >
 
- Public Types inherited from itk::ComplexToComplexFFTImageFilter< TImage >
using ConstPointer = SmartPointer< const Self >
 
using ImageSizeType = typename ImageType::SizeType
 
using ImageType = TImage
 
using InputImageType = TImage
 
using OutputImageType = TImage
 
using Pointer = SmartPointer< Self >
 
using Self = ComplexToComplexFFTImageFilter
 
using Superclass = ImageToImageFilter< InputImageType, OutputImageType >
 
enum  TransformDirectionType {
  FORWARD = 1,
  INVERSE = 2
}
 
- Public Types inherited from itk::ImageToImageFilter< TImage, TImage >
using ConstPointer = SmartPointer< const Self >
 
using InputImageConstPointer = typename InputImageType::ConstPointer
 
using InputImagePixelType = typename InputImageType::PixelType
 
using InputImagePointer = typename InputImageType::Pointer
 
using InputImageRegionType = typename InputImageType::RegionType
 
using InputImageType = TImage
 
using OutputImagePixelType = typename Superclass::OutputImagePixelType
 
using OutputImageRegionType = typename Superclass::OutputImageRegionType
 
using Pointer = SmartPointer< Self >
 
using Self = ImageToImageFilter
 
using Superclass = ImageSource< TImage >
 
- Public Types inherited from itk::ImageSource< TImage >
using ConstPointer = SmartPointer< const Self >
 
using DataObjectIdentifierType = Superclass::DataObjectIdentifierType
 
using DataObjectPointer = DataObject::Pointer
 
using DataObjectPointerArraySizeType = Superclass::DataObjectPointerArraySizeType
 
using OutputImagePixelType = typename OutputImageType::PixelType
 
using OutputImagePointer = typename OutputImageType::Pointer
 
using OutputImageRegionType = typename OutputImageType::RegionType
 
using OutputImageType = TImage
 
using Pointer = SmartPointer< Self >
 
using Self = ImageSource
 
using Superclass = ProcessObject
 
- Public Types inherited from itk::ProcessObject
using ConstPointer = SmartPointer< const Self >
 
using DataObjectIdentifierType = DataObject::DataObjectIdentifierType
 
using DataObjectPointer = DataObject::Pointer
 
using DataObjectPointerArray = std::vector< DataObjectPointer >
 
using DataObjectPointerArraySizeType = DataObjectPointerArray::size_type
 
using MultiThreaderType = MultiThreaderBase
 
using NameArray = std::vector< DataObjectIdentifierType >
 
using Pointer = SmartPointer< Self >
 
using Self = ProcessObject
 
using Superclass = Object
 
- Public Types inherited from itk::Object
using ConstPointer = SmartPointer< const Self >
 
using Pointer = SmartPointer< Self >
 
using Self = Object
 
using Superclass = LightObject
 
- Public Types inherited from itk::LightObject
using ConstPointer = SmartPointer< const Self >
 
using Pointer = SmartPointer< Self >
 
using Self = LightObject
 

Public Member Functions

virtual ::itk::LightObject::Pointer CreateAnother () const
 
virtual const char * GetNameOfClass () const
 
virtual void SetPlanRigor (const int &value)
 
virtual const int & GetPlanRigor () const
 
void SetPlanRigor (const std::string &name)
 
- Public Member Functions inherited from itk::ComplexToComplexFFTImageFilter< TImage >
virtual void SetTransformDirection (TransformDirectionType _arg)
 
virtual TransformDirectionType GetTransformDirection () const
 
- Public Member Functions inherited from itk::ImageToImageFilter< TImage, TImage >
const InputImageType * GetInput () const
 
const InputImageType * GetInput (unsigned int idx) const
 
void PopBackInput () override
 
void PopFrontInput () override
 
virtual void PushBackInput (const InputImageType *image)
 
virtual void PushFrontInput (const InputImageType *image)
 
virtual void SetInput (const InputImageType *image)
 
virtual void SetInput (unsigned int, const TImage *image)
 
virtual void SetCoordinateTolerance (double _arg)
 
virtual double GetCoordinateTolerance () const
 
virtual void SetDirectionTolerance (double _arg)
 
virtual double GetDirectionTolerance () const
 
- Public Member Functions inherited from itk::ImageSource< TImage >
OutputImageType * GetOutput (unsigned int idx)
 
OutputImageType * GetOutput ()
 
const OutputImageType * GetOutput () const
 
virtual void GraftOutput (DataObject *output)
 
virtual void GraftOutput (const DataObjectIdentifierType &key, DataObject *output)
 
virtual void GraftNthOutput (unsigned int idx, DataObject *output)
 
ProcessObject::DataObjectPointer MakeOutput (ProcessObject::DataObjectPointerArraySizeType idx) override
 
ProcessObject::DataObjectPointer MakeOutput (const ProcessObject::DataObjectIdentifierType &) override
 
- Public Member Functions inherited from itk::ProcessObject
virtual void AbortGenerateDataOff ()
 
virtual void AbortGenerateDataOn ()
 
virtual void EnlargeOutputRequestedRegion (DataObject *)
 
virtual const bool & GetAbortGenerateData () const
 
DataObjectPointerArray GetIndexedInputs ()
 
DataObjectPointerArray GetIndexedOutputs ()
 
NameArray GetInputNames () const
 
DataObjectPointerArray GetInputs ()
 
MultiThreaderType * GetMultiThreader () const
 
DataObjectPointerArraySizeType GetNumberOfIndexedInputs () const
 
DataObjectPointerArraySizeType GetNumberOfIndexedOutputs () const
 
DataObjectPointerArraySizeType GetNumberOfInputs () const
 
DataObjectPointerArraySizeType GetNumberOfOutputs () const
 
virtual
DataObjectPointerArraySizeType 		GetNumberOfValidRequiredInputs () const
 
NameArray GetOutputNames () const
 
DataObjectPointerArray GetOutputs ()
 
virtual const float & GetProgress () const
 
NameArray GetRequiredInputNames () const
 
bool HasInput (const DataObjectIdentifierType &key) const
 
bool HasOutput (const DataObjectIdentifierType &key) const
 
virtual void PrepareOutputs ()
 
virtual void PropagateRequestedRegion (DataObject *output)
 
virtual void ResetPipeline ()
 
virtual void SetAbortGenerateData (bool _arg)
 
void SetMultiThreader (MultiThreaderType *threader)
 
virtual void Update ()
 
virtual void UpdateLargestPossibleRegion ()
 
virtual void UpdateOutputInformation ()
 
void UpdateProgress (float progress)
 
virtual void SetReleaseDataFlag (bool flag)
 
virtual bool GetReleaseDataFlag () const
 
void ReleaseDataFlagOn ()
 
void ReleaseDataFlagOff ()
 
virtual void SetReleaseDataBeforeUpdateFlag (bool _arg)
 
virtual const bool & GetReleaseDataBeforeUpdateFlag () const
 
virtual void ReleaseDataBeforeUpdateFlagOn ()
 
virtual void ReleaseDataBeforeUpdateFlagOff ()
 
virtual void SetNumberOfWorkUnits (ThreadIdType _arg)
 
virtual const ThreadIdType & GetNumberOfWorkUnits () const
 
- Public Member Functions inherited from itk::Object
unsigned long AddObserver (const EventObject &event, Command *)
 
unsigned long AddObserver (const EventObject &event, Command *) const
 
virtual void DebugOff () const
 
virtual void DebugOn () const
 
Command * GetCommand (unsigned long tag)
 
bool GetDebug () const
 
MetaDataDictionary & GetMetaDataDictionary ()
 
const MetaDataDictionary & GetMetaDataDictionary () const
 
virtual ModifiedTimeType GetMTime () const
 
virtual const TimeStamp & GetTimeStamp () const
 
bool HasObserver (const EventObject &event) const
 
void InvokeEvent (const EventObject &)
 
void InvokeEvent (const EventObject &) const
 
virtual void Modified () const
 
void Register () const override
 
void RemoveAllObservers ()
 
void RemoveObserver (unsigned long tag)
 
void SetDebug (bool debugFlag) const
 
void SetReferenceCount (int) override
 
void UnRegister () const noexceptoverride
 
void SetMetaDataDictionary (const MetaDataDictionary &rhs)
 
void SetMetaDataDictionary (MetaDataDictionary &&rrhs)
 
virtual void SetObjectName (std::string _arg)
 
virtual const std::string & GetObjectName () const
 
- Public Member Functions inherited from itk::LightObject
virtual void Delete ()
 
virtual int GetReferenceCount () const
 
 itkCloneMacro (Self)
 
void Print (std::ostream &os, Indent indent=0) const
 

Static Public Member Functions

static Pointer New ()
 
- Static Public Member Functions inherited from itk::ComplexToComplexFFTImageFilter< TImage >
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 ()
 

Static Public Attributes

static constexpr unsigned int ImageDimension = ImageType::ImageDimension
 
- Static Public Attributes inherited from itk::ComplexToComplexFFTImageFilter< TImage >
static constexpr unsigned int ImageDimension = InputImageType::ImageDimension
 
- Static Public Attributes inherited from itk::ImageToImageFilter< TImage, TImage >
static constexpr unsigned int InputImageDimension
 
static constexpr unsigned int OutputImageDimension
 
- Static Public Attributes inherited from itk::ImageSource< TImage >
static constexpr unsigned int OutputImageDimension
 

Protected Member Functions

void BeforeThreadedGenerateData () override
 
void DynamicThreadedGenerateData (const OutputImageRegionType &outputRegionForThread) override
 
 FFTWComplexToComplexFFTImageFilter ()
 
void PrintSelf (std::ostream &os, Indent indent) const override
 
void UpdateOutputData (DataObject *output) override
 
 ~FFTWComplexToComplexFFTImageFilter () override
 
- Protected Member Functions inherited from itk::ComplexToComplexFFTImageFilter< TImage >
 ComplexToComplexFFTImageFilter ()
 
void GenerateInputRequestedRegion () override
 
- Protected Member Functions inherited from itk::ImageToImageFilter< TImage, TImage >
virtual void CallCopyInputRegionToOutputRegion (OutputImageRegionType &destRegion, const InputImageRegionType &srcRegion)
 
virtual void CallCopyOutputRegionToInputRegion (InputImageRegionType &destRegion, const OutputImageRegionType &srcRegion)
 
void GenerateInputRequestedRegion () override
 
 ImageToImageFilter ()
 
void PrintSelf (std::ostream &os, Indent indent) const override
 
void VerifyInputInformation () ITKv5_CONST override
 
 ~ImageToImageFilter () override
 
void PushBackInput (const DataObject *input) override
 
void PushFrontInput (const DataObject *input) override
 
- Protected Member Functions inherited from itk::ImageSource< TImage >
virtual void AfterThreadedGenerateData ()
 
virtual void AllocateOutputs ()
 
void ClassicMultiThread (ThreadFunctionType callbackFunction)
 
void GenerateData () override
 
virtual const
ImageRegionSplitterBase * 		GetImageRegionSplitter () const
 
 ImageSource ()
 
virtual unsigned int SplitRequestedRegion (unsigned int i, unsigned int pieces, OutputImageRegionType &splitRegion)
 
 ~ImageSource () override=default
 
virtual void ThreadedGenerateData (const OutputImageRegionType &outputRegionForThread, ThreadIdType threadId)
 
virtual bool GetDynamicMultiThreading () const
 
virtual void SetDynamicMultiThreading (bool _arg)
 
virtual void DynamicMultiThreadingOn ()
 
virtual void DynamicMultiThreadingOff ()
 
- Protected Member Functions inherited from itk::ProcessObject
virtual void AddInput (DataObject *input)
 
void AddOptionalInputName (const DataObjectIdentifierType &)
 
void AddOptionalInputName (const DataObjectIdentifierType &, DataObjectPointerArraySizeType idx)
 
virtual void AddOutput (DataObject *output)
 
bool AddRequiredInputName (const DataObjectIdentifierType &)
 
bool AddRequiredInputName (const DataObjectIdentifierType &, DataObjectPointerArraySizeType idx)
 
virtual void CacheInputReleaseDataFlags ()
 
virtual void GenerateOutputInformation ()
 
virtual void GenerateOutputRequestedRegion (DataObject *output)
 
DataObject * GetInput (const DataObjectIdentifierType &key)
 
const DataObject * GetInput (const DataObjectIdentifierType &key) const
 
virtual const
DataObjectPointerArraySizeType & 		GetNumberOfRequiredInputs () const
 
virtual const
DataObjectPointerArraySizeType & 		GetNumberOfRequiredOutputs () const
 
bool IsIndexedInputName (const DataObjectIdentifierType &) const
 
bool IsIndexedOutputName (const DataObjectIdentifierType &) const
 
bool IsRequiredInputName (const DataObjectIdentifierType &) const
 
DataObjectPointerArraySizeType MakeIndexFromInputName (const DataObjectIdentifierType &name) const
 
DataObjectPointerArraySizeType MakeIndexFromOutputName (const DataObjectIdentifierType &name) const
 
DataObjectIdentifierType MakeNameFromInputIndex (DataObjectPointerArraySizeType idx) const
 
DataObjectIdentifierType MakeNameFromOutputIndex (DataObjectPointerArraySizeType idx) const
 
 ProcessObject ()
 
virtual void PropagateResetPipeline ()
 
virtual void ReleaseInputs ()
 
virtual void RemoveInput (const DataObjectIdentifierType &key)
 
virtual void RemoveInput (DataObjectPointerArraySizeType)
 
virtual void RemoveOutput (const DataObjectIdentifierType &key)
 
virtual void RemoveOutput (DataObjectPointerArraySizeType idx)
 
bool RemoveRequiredInputName (const DataObjectIdentifierType &)
 
virtual void RestoreInputReleaseDataFlags ()
 
virtual void SetInput (const DataObjectIdentifierType &key, DataObject *input)
 
virtual void SetNthInput (DataObjectPointerArraySizeType num, DataObject *input)
 
virtual void SetNthOutput (DataObjectPointerArraySizeType num, DataObject *output)
 
void SetNumberOfIndexedInputs (DataObjectPointerArraySizeType num)
 
void SetNumberOfIndexedOutputs (DataObjectPointerArraySizeType num)
 
virtual void SetNumberOfRequiredInputs (DataObjectPointerArraySizeType)
 
virtual void SetNumberOfRequiredOutputs (DataObjectPointerArraySizeType _arg)
 
virtual void SetOutput (const DataObjectIdentifierType &key, DataObject *output)
 
virtual void SetPrimaryInput (DataObject *input)
 
virtual void SetPrimaryOutput (DataObject *output)
 
void SetRequiredInputNames (const NameArray &)
 
virtual void VerifyPreconditions () ITKv5_CONST
 
 ~ProcessObject () override
 
DataObject * GetInput (DataObjectPointerArraySizeType idx)
 
const DataObject * GetInput (DataObjectPointerArraySizeType idx) const
 
DataObject * GetPrimaryInput ()
 
const DataObject * GetPrimaryInput () const
 
virtual void SetPrimaryInputName (const DataObjectIdentifierType &key)
 
virtual const char * GetPrimaryInputName () const
 
DataObject * GetOutput (const DataObjectIdentifierType &key)
 
const DataObject * GetOutput (const DataObjectIdentifierType &key) const
 
virtual void SetPrimaryOutputName (const DataObjectIdentifierType &key)
 
virtual const char * GetPrimaryOutputName () const
 
DataObject * GetOutput (DataObjectPointerArraySizeType idx)
 
const DataObject * GetOutput (DataObjectPointerArraySizeType idx) const
 
DataObject * GetPrimaryOutput ()
 
const DataObject * GetPrimaryOutput () const
 
- Protected Member Functions inherited from itk::Object
 Object ()
 
bool PrintObservers (std::ostream &os, Indent indent) const
 
virtual void SetTimeStamp (const TimeStamp &time)
 
 ~Object () override
 
- Protected Member Functions inherited from itk::LightObject
virtual LightObject::Pointer InternalClone () const
 
 LightObject ()
 
virtual void PrintHeader (std::ostream &os, Indent indent) const
 
virtual void PrintTrailer (std::ostream &os, Indent indent) const
 
virtual ~LightObject ()
 

Private Attributes

bool m_CanUseDestructiveAlgorithm
 
int m_PlanRigor
 

Additional Inherited Members

- Protected Types inherited from itk::ImageToImageFilter< TImage, TImage >
using InputToOutputRegionCopierType = ImageToImageFilterDetail::ImageRegionCopier< Self::OutputImageDimension, Self::InputImageDimension >
 
using OutputToInputRegionCopierType = ImageToImageFilterDetail::ImageRegionCopier< Self::InputImageDimension, Self::OutputImageDimension >
 
- Static Protected Member Functions inherited from itk::ImageSource< TImage >
static const
ImageRegionSplitterBase * 		GetGlobalDefaultSplitter ()
 
static
ITK_THREAD_RETURN_FUNCTION_CALL_CONVENTION 		ThreaderCallback (void *arg)
 
- Protected Attributes inherited from itk::ImageSource< TImage >
bool m_DynamicMultiThreading
 
- Protected Attributes inherited from itk::ProcessObject
TimeStamp m_OutputInformationMTime
 
bool m_Updating
 
- Protected Attributes inherited from itk::LightObject
std::atomic< int > m_ReferenceCount
 

Member Typedef Documentation

template<typename TImage >
using itk::FFTWComplexToComplexFFTImageFilter< TImage >::ConstPointer = SmartPointer< const Self >

Definition at line 69 of file itkFFTWComplexToComplexFFTImageFilter.h.

template<typename TImage >
using itk::FFTWComplexToComplexFFTImageFilter< TImage >::FFTWProxyType = typename fftw::Proxy< typename PixelType::value_type >

Definition at line 83 of file itkFFTWComplexToComplexFFTImageFilter.h.

template<typename TImage >
using itk::FFTWComplexToComplexFFTImageFilter< TImage >::ImageSizeType = typename ImageType::SizeType

Image type type alias support

Definition at line 95 of file itkFFTWComplexToComplexFFTImageFilter.h.

template<typename TImage >
using itk::FFTWComplexToComplexFFTImageFilter< TImage >::ImageType = TImage

Definition at line 71 of file itkFFTWComplexToComplexFFTImageFilter.h.

template<typename TImage >
using itk::FFTWComplexToComplexFFTImageFilter< TImage >::InputImageType = typename Superclass::InputImageType

Definition at line 73 of file itkFFTWComplexToComplexFFTImageFilter.h.

template<typename TImage >
using itk::FFTWComplexToComplexFFTImageFilter< TImage >::OutputImageRegionType = typename OutputImageType::RegionType

Definition at line 75 of file itkFFTWComplexToComplexFFTImageFilter.h.

template<typename TImage >
using itk::FFTWComplexToComplexFFTImageFilter< TImage >::OutputImageType = typename Superclass::OutputImageType

Definition at line 74 of file itkFFTWComplexToComplexFFTImageFilter.h.

template<typename TImage >
using itk::FFTWComplexToComplexFFTImageFilter< TImage >::PixelType = typename ImageType::PixelType

Definition at line 72 of file itkFFTWComplexToComplexFFTImageFilter.h.

template<typename TImage >
using itk::FFTWComplexToComplexFFTImageFilter< TImage >::Pointer = SmartPointer< Self >

Definition at line 68 of file itkFFTWComplexToComplexFFTImageFilter.h.

template<typename TImage >
using itk::FFTWComplexToComplexFFTImageFilter< TImage >::Self = FFTWComplexToComplexFFTImageFilter

Standard class type aliases.

Definition at line 66 of file itkFFTWComplexToComplexFFTImageFilter.h.

template<typename TImage >
using itk::FFTWComplexToComplexFFTImageFilter< TImage >::Superclass = ComplexToComplexFFTImageFilter< TImage >

Definition at line 67 of file itkFFTWComplexToComplexFFTImageFilter.h.

Constructor & Destructor Documentation

template<typename TImage >
itk::FFTWComplexToComplexFFTImageFilter< TImage >::FFTWComplexToComplexFFTImageFilter ( )
protected
template<typename TImage >
itk::FFTWComplexToComplexFFTImageFilter< TImage >::~FFTWComplexToComplexFFTImageFilter ( )
inlineoverrideprotected

Definition at line 131 of file itkFFTWComplexToComplexFFTImageFilter.h.

Member Function Documentation

template<typename TImage >
void itk::FFTWComplexToComplexFFTImageFilter< TImage >::BeforeThreadedGenerateData ( )
overrideprotectedvirtual

If an imaging filter needs to perform processing after the buffer has been allocated but before threads are spawned, the filter can can provide an implementation for BeforeThreadedGenerateData(). The execution flow in the default GenerateData() method will be: 1) Allocate the output buffer 2) Call BeforeThreadedGenerateData() 3) Spawn threads, calling ThreadedGenerateData() in each thread. 4) Call AfterThreadedGenerateData() Note that this flow of control is only available if a filter provides a ThreadedGenerateData() method and NOT a GenerateData() method.

Reimplemented from itk::ImageSource< TImage >.

template<typename TImage >
virtual::itk::LightObject::Pointer itk::FFTWComplexToComplexFFTImageFilter< TImage >::CreateAnother ( ) const
virtual

Create an object from an instance, potentially deferring to a factory. This method allows you to create an instance of an object that is exactly the same type as the referring object. This is useful in cases where an object has been cast back to a base class.

Reimplemented from itk::Object.

template<typename TImage >
void itk::FFTWComplexToComplexFFTImageFilter< TImage >::DynamicThreadedGenerateData ( const OutputImageRegionType &  outputRegionForThread)
overrideprotectedvirtual

If an imaging filter can be implemented as a multithreaded algorithm, the filter will provide an implementation of ThreadedGenerateData() or DynamicThreadedGenerateData(). This superclass will automatically split the output image into a number of pieces, spawn multiple threads, and call (Dynamic)ThreadedGenerateData() in each thread. Prior to spawning threads, the BeforeThreadedGenerateData() method is called. After all the threads have completed, the AfterThreadedGenerateData() method is called. If an image processing filter cannot support threading, that filter should provide an implementation of the GenerateData() method instead of providing an implementation of (Dynamic)ThreadedGenerateData(). If a filter provides a GenerateData() method as its implementation, then the filter is responsible for allocating the output data. If a filter provides a (Dynamic)ThreadedGenerateData() method as its implementation, then the output memory will allocated automatically by this superclass. The (Dynamic)ThreadedGenerateData() method should only produce the output specified by "outputThreadRegion" parameter. (Dynamic)ThreadedGenerateData() cannot write to any other portion of the output image (as this is responsibility of a different thread).

DynamicThreadedGenerateData() is the newer variant without threadId, and is the preferred signature, which is called by default. This variant can split the requested region into different number of pieces depending on current multi-processing load, which allows better load balancing. The non-dynamic (also known as classic) ThreadedGenerateData() signature has threadId, and number of pieces to be split into is known in advance. It is activated by calling this->DynamicMultiThreadingOff(); in derived class constructor. It should be used when the multi-threaded algorithm needs to pre-allocate some data structure with size dependent on the number of pieces (also known as chunks, work units, and sometimes also incorrectly as threads). Only PlatformMultiThreader guarantees that each piece will be processed in its own specific thread. Pool and TBB multi-threaders maintain a pool of threads (normally equal to number of processing cores) which they use to process the pieces. This normally results in a single thread being reused to process multiple work units.

See Also
GenerateData(), SplitRequestedRegion()

Reimplemented from itk::ImageSource< TImage >.

template<typename TImage >
virtual const char* itk::FFTWComplexToComplexFFTImageFilter< TImage >::GetNameOfClass ( ) const
virtual

Run-time type information (and related methods).

Reimplemented from itk::ComplexToComplexFFTImageFilter< TImage >.

template<typename TImage >
virtual const int& itk::FFTWComplexToComplexFFTImageFilter< TImage >::GetPlanRigor ( ) const
virtual

Set/Get the behavior of wisdom plan creation. The default is provided by FFTWGlobalConfiguration::GetPlanRigor().

The parameter is one of the FFTW planner rigor flags FFTW_ESTIMATE, FFTW_MEASURE, FFTW_PATIENT, FFTW_EXHAUSTIVE provided by FFTWGlobalConfiguration.

This is not used when ITK_USE_CUFFTW is enabled.

/sa FFTWGlobalConfiguration

template<typename TImage >
static Pointer itk::FFTWComplexToComplexFFTImageFilter< TImage >::New ( )
static

Method for creation through the object factory.

template<typename TImage >
void itk::FFTWComplexToComplexFFTImageFilter< TImage >::PrintSelf ( std::ostream &  os,
Indent  indent 
) const
overrideprotectedvirtual

Methods invoked by Print() to print information about the object including superclasses. Typically not called by the user (use Print() instead) but used in the hierarchical print process to combine the output of several classes.

Reimplemented from itk::ProcessObject.

template<typename TImage >
virtual void itk::FFTWComplexToComplexFFTImageFilter< TImage >::SetPlanRigor ( const int &  value)
inlinevirtual

Set/Get the behavior of wisdom plan creation. The default is provided by FFTWGlobalConfiguration::GetPlanRigor().

The parameter is one of the FFTW planner rigor flags FFTW_ESTIMATE, FFTW_MEASURE, FFTW_PATIENT, FFTW_EXHAUSTIVE provided by FFTWGlobalConfiguration.

This is not used when ITK_USE_CUFFTW is enabled.

/sa FFTWGlobalConfiguration

Definition at line 108 of file itkFFTWComplexToComplexFFTImageFilter.h.

References itk::FFTWGlobalConfiguration::GetPlanRigorName().

template<typename TImage >
void itk::FFTWComplexToComplexFFTImageFilter< TImage >::SetPlanRigor ( const std::string &  name)
inline

Set/Get the behavior of wisdom plan creation. The default is provided by FFTWGlobalConfiguration::GetPlanRigor().

The parameter is one of the FFTW planner rigor flags FFTW_ESTIMATE, FFTW_MEASURE, FFTW_PATIENT, FFTW_EXHAUSTIVE provided by FFTWGlobalConfiguration.

This is not used when ITK_USE_CUFFTW is enabled.

/sa FFTWGlobalConfiguration

Definition at line 121 of file itkFFTWComplexToComplexFFTImageFilter.h.

References itk::FFTWGlobalConfiguration::GetPlanRigorValue().

template<typename TImage >
void itk::FFTWComplexToComplexFFTImageFilter< TImage >::UpdateOutputData ( DataObject *  output)
overrideprotectedvirtual

Actually generate new output

Reimplemented from itk::ProcessObject.

Member Data Documentation

template<typename TImage >
constexpr unsigned int itk::FFTWComplexToComplexFFTImageFilter< TImage >::ImageDimension = ImageType::ImageDimension
static

Definition at line 92 of file itkFFTWComplexToComplexFFTImageFilter.h.

template<typename TImage >
bool itk::FFTWComplexToComplexFFTImageFilter< TImage >::m_CanUseDestructiveAlgorithm
private

Definition at line 142 of file itkFFTWComplexToComplexFFTImageFilter.h.

template<typename TImage >
int itk::FFTWComplexToComplexFFTImageFilter< TImage >::m_PlanRigor
private

Definition at line 144 of file itkFFTWComplexToComplexFFTImageFilter.h.

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