ITK  5.4.0
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itk::CurvatureFlowImageFilter< TInputImage, TOutputImage > Class Template Reference

#include <itkCurvatureFlowImageFilter.h>

Detailed Description

template<typename TInputImage, typename TOutputImage>
class itk::CurvatureFlowImageFilter< TInputImage, TOutputImage >

Denoise an image using curvature driven flow.

CurvatureFlowImageFilter implements a curvature driven image denoising algorithm. Iso-brightness contours in the grayscale input image are viewed as a level set. The level set is then evolved using a curvature-based speed function:

\[ I_t = \kappa |\nabla I| \]

where \( \kappa \) is the curvature.

The advantage of this approach is that sharp boundaries are preserved with smoothing occurring only within a region. However, it should be noted that continuous application of this scheme will result in the eventual removal of all information as each contour shrinks to zero and disappear.

Note that unlike level set segmentation algorithms, the image to be denoised is already the level set and can be set directly as the input using the SetInput() method.

This filter has two parameters: the number of update iterations to be performed and the timestep between each update.

The timestep should be "small enough" to ensure numerical stability. Stability is guarantee when the timestep meets the CFL (Courant-Friedrichs-Levy) condition. Broadly speaking, this condition ensures that each contour does not move more than one grid position at each timestep. In the literature, the timestep is typically user specified and have to manually tuned to the application.

This filter make use of the multi-threaded finite difference solver hierarchy. Updates are computed using a CurvatureFlowFunction object. A zero flux Neumann boundary condition when computing derivatives near the data boundary.

This filter may be streamed. To support streaming this filter produces a padded output which takes into account edge effects. The size of the padding is m_NumberOfIterations on each edge. Users of this filter should only make use of the center valid central region.

Warning
This filter assumes that the input and output types have the same dimensions. This filter also requires that the output image pixels are of a floating point type. This filter works for any dimensional images.

Reference: "Level Set Methods and Fast Marching Methods", J.A. Sethian, Cambridge Press, Chapter 16, Second edition, 1999.

See also
DenseFiniteDifferenceImageFilter
CurvatureFlowFunction
MinMaxCurvatureFlowImageFilter
BinaryMinMaxCurvatureFlowImageFilter

Input/Output Restrictions: TInputImage and TOutputImage must have the same dimension. TOutputImage's pixel type must be a real number type.

ITK Sphinx Examples:
Examples
Examples/Filtering/CurvatureFlowImageFilter.cxx, Examples/Segmentation/ConfidenceConnected.cxx, Examples/Segmentation/ConfidenceConnected3D.cxx, Examples/Segmentation/ConnectedThresholdImageFilter.cxx, Examples/Segmentation/IsolatedConnectedImageFilter.cxx, Examples/Segmentation/NeighborhoodConnectedImageFilter.cxx, SphinxExamples/src/Filtering/AnisotropicSmoothing/ComputeCurvatureFlow/Code.cxx, SphinxExamples/src/Filtering/CurvatureFlow/SmoothImageUsingCurvatureFlow/Code.cxx, and SphinxExamples/src/Filtering/CurvatureFlow/SmoothRGBImageUsingCurvatureFlow/Code.cxx.

Definition at line 96 of file itkCurvatureFlowImageFilter.h.

+ Inheritance diagram for itk::CurvatureFlowImageFilter< TInputImage, TOutputImage >:
+ Collaboration diagram for itk::CurvatureFlowImageFilter< TInputImage, TOutputImage >:

Public Types

using ConstPointer = SmartPointer< const Self >
 
using CurvatureFlowFunctionType = CurvatureFlowFunction< OutputImageType >
 
using OutputImagePointer = typename OutputImageType::Pointer
 
using Pointer = SmartPointer< Self >
 
using Self = CurvatureFlowImageFilter
 
using Superclass = DenseFiniteDifferenceImageFilter< TInputImage, TOutputImage >
 
- Public Types inherited from itk::DenseFiniteDifferenceImageFilter< TInputImage, TOutputImage >
using ConstPointer = SmartPointer< const Self >
 
using Pointer = SmartPointer< Self >
 
using Self = DenseFiniteDifferenceImageFilter
 
using Superclass = FiniteDifferenceImageFilter< TInputImage, TOutputImage >
 
using UpdateBufferType = OutputImageType
 
- Public Types inherited from itk::FiniteDifferenceImageFilter< TInputImage, TOutputImage >
using ConstPointer = SmartPointer< const Self >
 
using FiniteDifferenceFunctionType = FiniteDifferenceFunction< TOutputImage >
 
using InputImageType = TInputImage
 
using InputPixelType = typename TInputImage::PixelType
 
using InputPixelValueType = typename NumericTraits< InputPixelType >::ValueType
 
using NeighborhoodScalesType = typename FiniteDifferenceFunctionType::NeighborhoodScalesType
 
using OutputImageType = TOutputImage
 
using OutputPixelType = typename TOutputImage::PixelType
 
using OutputPixelValueType = typename NumericTraits< OutputPixelType >::ValueType
 
using PixelType = OutputPixelType
 
using Pointer = SmartPointer< Self >
 
using RadiusType = typename FiniteDifferenceFunctionType::RadiusType
 
using Self = FiniteDifferenceImageFilter
 
using Superclass = InPlaceImageFilter< TInputImage, TOutputImage >
 
using TimeStepType = typename FiniteDifferenceFunctionType::TimeStepType
 
- Public Types inherited from itk::InPlaceImageFilter< TInputImage, TOutputImage >
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 = TInputImage
 
using Pointer = SmartPointer< Self >
 
using Self = InPlaceImageFilter
 
using Superclass = ImageToImageFilter< TInputImage, TOutputImage >
 
- Public Types inherited from itk::ImageToImageFilter< TInputImage, TOutputImage >
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 = TInputImage
 
using Pointer = SmartPointer< Self >
 
using Self = ImageToImageFilter
 
using Superclass = ImageSource< TOutputImage >
 
- Public Types inherited from itk::ImageSource< TOutputImage >
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 = TOutputImage
 
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

const char * GetNameOfClass () const override
 
virtual TimeStepType GetTimeStep () const
 
virtual void SetTimeStep (TimeStepType _arg)
 
- Public Member Functions inherited from itk::FiniteDifferenceImageFilter< TInputImage, TOutputImage >
virtual const FiniteDifferenceFunctionType ::PointerGetDifferenceFunction () const
 
virtual const IdentifierTypeGetElapsedIterations () const
 
virtual bool GetIsInitialized ()
 
virtual void SetDifferenceFunction (FiniteDifferenceFunctionType *_arg)
 
virtual void SetIsInitialized (bool _arg)
 
void SetStateToInitialized ()
 
void SetStateToUninitialized ()
 
virtual void SetNumberOfIterations (IdentifierType _arg)
 
virtual const IdentifierTypeGetNumberOfIterations () const
 
virtual void SetUseImageSpacing (bool _arg)
 
virtual void UseImageSpacingOn ()
 
virtual const bool & GetUseImageSpacing () const
 
virtual void SetMaximumRMSError (double _arg)
 
virtual const double & GetMaximumRMSError () const
 
virtual void SetRMSChange (double _arg)
 
virtual const double & GetRMSChange () const
 
virtual void SetManualReinitialization (bool _arg)
 
virtual const bool & GetManualReinitialization () const
 
virtual void ManualReinitializationOn ()
 
- Public Member Functions inherited from itk::InPlaceImageFilter< TInputImage, TOutputImage >
virtual bool CanRunInPlace () const
 
virtual void SetInPlace (bool _arg)
 
virtual bool GetInPlace () const
 
virtual void InPlaceOn ()
 
- Public Member Functions inherited from itk::ImageToImageFilter< TInputImage, TOutputImage >
const InputImageTypeGetInput () const
 
const InputImageTypeGetInput (unsigned int idx) const
 
void PopBackInput () override
 
void PopFrontInput () override
 
virtual void PushBackInput (const InputImageType *input)
 
virtual void PushFrontInput (const InputImageType *input)
 
virtual void SetInput (const DataObjectIdentifierType &key, DataObject *input)
 
virtual void SetInput (const InputImageType *input)
 
virtual void SetInput (unsigned int, const TInputImage *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< TOutputImage >
OutputImageTypeGetOutput (unsigned int idx)
 
OutputImageTypeGetOutput ()
 
const OutputImageTypeGetOutput () const
 
virtual void GraftOutput (DataObject *graft)
 
virtual void GraftOutput (const DataObjectIdentifierType &key, DataObject *graft)
 
virtual void GraftNthOutput (unsigned int idx, DataObject *graft)
 
ProcessObject::DataObjectPointer MakeOutput (ProcessObject::DataObjectPointerArraySizeType idx) override
 
ProcessObject::DataObjectPointer MakeOutput (const ProcessObject::DataObjectIdentifierType &) override
 
- Public Member Functions inherited from itk::ProcessObject
virtual void AbortGenerateDataOn ()
 
virtual const bool & GetAbortGenerateData () const
 
DataObjectPointerArray GetIndexedInputs ()
 
DataObjectPointerArray GetIndexedOutputs ()
 
NameArray GetInputNames () const
 
DataObjectPointerArray GetInputs ()
 
MultiThreaderTypeGetMultiThreader () const
 
DataObjectPointerArraySizeType GetNumberOfIndexedInputs () const
 
DataObjectPointerArraySizeType GetNumberOfIndexedOutputs () const
 
DataObjectPointerArraySizeType GetNumberOfInputs () const
 
DataObjectPointerArraySizeType GetNumberOfOutputs () const
 
virtual DataObjectPointerArraySizeType GetNumberOfValidRequiredInputs () const
 
NameArray GetOutputNames () const
 
DataObjectPointerArray GetOutputs ()
 
virtual float GetProgress () const
 
NameArray GetRequiredInputNames () const
 
bool HasInput (const DataObjectIdentifierType &key) const
 
bool HasOutput (const DataObjectIdentifierType &key) const
 
void IncrementProgress (float increment)
 
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 UpdateOutputData (DataObject *output)
 
virtual void UpdateOutputInformation ()
 
void UpdateProgress (float progress)
 
virtual void SetReleaseDataFlag (bool val)
 
virtual bool GetReleaseDataFlag () const
 
void ReleaseDataFlagOn ()
 
void ReleaseDataFlagOff ()
 
virtual void SetReleaseDataBeforeUpdateFlag (bool _arg)
 
virtual const bool & GetReleaseDataBeforeUpdateFlag () const
 
virtual void ReleaseDataBeforeUpdateFlagOn ()
 
virtual void SetNumberOfWorkUnits (ThreadIdType _arg)
 
virtual const ThreadIdTypeGetNumberOfWorkUnits () const
 
- Public Member Functions inherited from itk::Object
unsigned long AddObserver (const EventObject &event, Command *)
 
unsigned long AddObserver (const EventObject &event, Command *) const
 
unsigned long AddObserver (const EventObject &event, std::function< void(const EventObject &)> function) const
 
LightObject::Pointer CreateAnother () const override
 
virtual void DebugOff () const
 
virtual void DebugOn () const
 
CommandGetCommand (unsigned long tag)
 
bool GetDebug () const
 
MetaDataDictionaryGetMetaDataDictionary ()
 
const MetaDataDictionaryGetMetaDataDictionary () const
 
virtual ModifiedTimeType GetMTime () const
 
virtual const TimeStampGetTimeStamp () 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 noexcept override
 
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
Pointer Clone () const
 
virtual void Delete ()
 
virtual int GetReferenceCount () const
 
void Print (std::ostream &os, Indent indent=0) const
 

Static Public Member Functions

static Pointer New ()
 
- Static Public Member Functions inherited from itk::ImageToImageFilter< TInputImage, TOutputImage >
static double GetGlobalDefaultCoordinateTolerance ()
 
static double GetGlobalDefaultDirectionTolerance ()
 
static void SetGlobalDefaultCoordinateTolerance (double)
 
static void SetGlobalDefaultDirectionTolerance (double)
 
- Static Public Member Functions inherited from itk::Object
static bool GetGlobalWarningDisplay ()
 
static void GlobalWarningDisplayOff ()
 
static void GlobalWarningDisplayOn ()
 
static Pointer New ()
 
static void SetGlobalWarningDisplay (bool val)
 
- Static Public Member Functions inherited from itk::LightObject
static void BreakOnError ()
 
static Pointer New ()
 

Static Public Attributes

static constexpr unsigned int ImageDimension = Superclass::ImageDimension
 
- Static Public Attributes inherited from itk::DenseFiniteDifferenceImageFilter< TInputImage, TOutputImage >
static constexpr unsigned int ImageDimension = Superclass::ImageDimension
 
- Static Public Attributes inherited from itk::FiniteDifferenceImageFilter< TInputImage, TOutputImage >
static constexpr unsigned int ImageDimension = OutputImageType::ImageDimension
 
- Static Public Attributes inherited from itk::InPlaceImageFilter< TInputImage, TOutputImage >
static constexpr unsigned int InputImageDimension = TInputImage::ImageDimension
 
static constexpr unsigned int OutputImageDimension = TOutputImage::ImageDimension
 
- Static Public Attributes inherited from itk::ImageToImageFilter< TInputImage, TOutputImage >
static constexpr unsigned int InputImageDimension = TInputImage::ImageDimension
 
static constexpr unsigned int OutputImageDimension = TOutputImage::ImageDimension
 
- Static Public Attributes inherited from itk::ImageSource< TOutputImage >
static constexpr unsigned int OutputImageDimension = TOutputImage::ImageDimension
 

Protected Member Functions

 CurvatureFlowImageFilter ()
 
void EnlargeOutputRequestedRegion (DataObject *) override
 
void GenerateInputRequestedRegion () override
 
void InitializeIteration () override
 
void PrintSelf (std::ostream &os, Indent indent) const override
 
 ~CurvatureFlowImageFilter () override=default
 
bool Halt () override
 
- Protected Member Functions inherited from itk::DenseFiniteDifferenceImageFilter< TInputImage, TOutputImage >
void AllocateUpdateBuffer () override
 
void ApplyUpdate (const TimeStepType &dt) override
 
TimeStepType CalculateChange () override
 
void CopyInputToOutput () override
 
 DenseFiniteDifferenceImageFilter ()
 
virtual UpdateBufferTypeGetUpdateBuffer ()
 
virtual void ThreadedApplyUpdate (const TimeStepType &dt, const ThreadRegionType &regionToProcess, ThreadIdType threadId)
 
virtual TimeStepType ThreadedCalculateChange (const ThreadRegionType &regionToProcess, ThreadIdType threadId)
 
 ~DenseFiniteDifferenceImageFilter () override=default
 
- Protected Member Functions inherited from itk::FiniteDifferenceImageFilter< TInputImage, TOutputImage >
 FiniteDifferenceImageFilter ()
 
void GenerateData () override
 
virtual void Initialize ()
 
virtual void PostProcessOutput ()
 
virtual TimeStepType ResolveTimeStep (const std::vector< TimeStepType > &timeStepList, const BooleanStdVectorType &valid) const
 
virtual void SetElapsedIterations (IdentifierType _arg)
 
virtual bool ThreadedHalt (void *)
 
 ~FiniteDifferenceImageFilter () override=default
 
- Protected Member Functions inherited from itk::InPlaceImageFilter< TInputImage, TOutputImage >
virtual bool GetRunningInPlace () const
 
 InPlaceImageFilter ()=default
 
void ReleaseInputs () override
 
 ~InPlaceImageFilter () override=default
 
void AllocateOutputs () override
 
- Protected Member Functions inherited from itk::ImageToImageFilter< TInputImage, TOutputImage >
virtual void CallCopyInputRegionToOutputRegion (OutputImageRegionType &destRegion, const InputImageRegionType &srcRegion)
 
virtual void CallCopyOutputRegionToInputRegion (InputImageRegionType &destRegion, const OutputImageRegionType &srcRegion)
 
 ImageToImageFilter ()
 
void VerifyInputInformation () ITKv5_CONST override
 
 ~ImageToImageFilter () override=default
 
virtual void PushBackInput (const DataObject *input)
 
virtual void PushFrontInput (const DataObject *input)
 
- Protected Member Functions inherited from itk::ImageSource< TOutputImage >
virtual void AfterThreadedGenerateData ()
 
virtual void BeforeThreadedGenerateData ()
 
void ClassicMultiThread (ThreadFunctionType callbackFunction)
 
virtual const ImageRegionSplitterBaseGetImageRegionSplitter () const
 
 ImageSource ()
 
virtual unsigned int SplitRequestedRegion (unsigned int i, unsigned int pieces, OutputImageRegionType &splitRegion)
 
 ~ImageSource () override=default
 
virtual void ThreadedGenerateData (const OutputImageRegionType &region, ThreadIdType threadId)
 
virtual void DynamicThreadedGenerateData (const OutputImageRegionType &outputRegionForThread)
 
virtual bool GetDynamicMultiThreading () const
 
virtual void SetDynamicMultiThreading (bool _arg)
 
virtual void DynamicMultiThreadingOn ()
 
- 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)
 
DataObjectGetInput (const DataObjectIdentifierType &key)
 
const DataObjectGetInput (const DataObjectIdentifierType &key) const
 
virtual const DataObjectPointerArraySizeTypeGetNumberOfRequiredInputs () const
 
virtual const DataObjectPointerArraySizeTypeGetNumberOfRequiredOutputs () 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 PushBackInput (const DataObject *input)
 
virtual void PushFrontInput (const DataObject *input)
 
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 idx, DataObject *input)
 
virtual void SetNthOutput (DataObjectPointerArraySizeType idx, DataObject *output)
 
void SetNumberOfIndexedInputs (DataObjectPointerArraySizeType num)
 
void SetNumberOfIndexedOutputs (DataObjectPointerArraySizeType num)
 
virtual void SetNumberOfRequiredInputs (DataObjectPointerArraySizeType)
 
virtual void SetNumberOfRequiredOutputs (DataObjectPointerArraySizeType _arg)
 
virtual void SetOutput (const DataObjectIdentifierType &name, DataObject *output)
 
virtual void SetPrimaryInput (DataObject *object)
 
virtual void SetPrimaryOutput (DataObject *object)
 
void SetRequiredInputNames (const NameArray &)
 
virtual void VerifyPreconditions () ITKv5_CONST
 
 ~ProcessObject () override
 
DataObjectGetInput (DataObjectPointerArraySizeType idx)
 
const DataObjectGetInput (DataObjectPointerArraySizeType idx) const
 
DataObjectGetPrimaryInput ()
 
const DataObjectGetPrimaryInput () const
 
virtual void SetPrimaryInputName (const DataObjectIdentifierType &key)
 
virtual const char * GetPrimaryInputName () const
 
DataObjectGetOutput (const DataObjectIdentifierType &key)
 
const DataObjectGetOutput (const DataObjectIdentifierType &key) const
 
virtual void SetPrimaryOutputName (const DataObjectIdentifierType &key)
 
virtual const char * GetPrimaryOutputName () const
 
DataObjectGetOutput (DataObjectPointerArraySizeType i)
 
const DataObjectGetOutput (DataObjectPointerArraySizeType i) const
 
DataObjectGetPrimaryOutput ()
 
const DataObjectGetPrimaryOutput () const
 
virtual bool GetThreaderUpdateProgress () const
 
virtual void ThreaderUpdateProgressOn ()
 
virtual void SetThreaderUpdateProgress (bool arg)
 
- Protected Member Functions inherited from itk::Object
 Object ()
 
bool PrintObservers (std::ostream &os, Indent indent) const
 
virtual void SetTimeStamp (const TimeStamp &timeStamp)
 
 ~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

TimeStepType m_TimeStep {}
 

Additional Inherited Members

- Protected Types inherited from itk::DenseFiniteDifferenceImageFilter< TInputImage, TOutputImage >
using ThreadRegionType = typename UpdateBufferType::RegionType
 
- Protected Types inherited from itk::ImageToImageFilter< TInputImage, TOutputImage >
using InputToOutputRegionCopierType = ImageToImageFilterDetail::ImageRegionCopier< Self::OutputImageDimension, Self::InputImageDimension >
 
using OutputToInputRegionCopierType = ImageToImageFilterDetail::ImageRegionCopier< Self::InputImageDimension, Self::OutputImageDimension >
 
- Static Protected Member Functions inherited from itk::ImageSource< TOutputImage >
static const ImageRegionSplitterBaseGetGlobalDefaultSplitter ()
 
static ITK_THREAD_RETURN_FUNCTION_CALL_CONVENTION ThreaderCallback (void *arg)
 
- Static Protected Member Functions inherited from itk::ProcessObject
static constexpr float progressFixedToFloat (uint32_t fixed)
 
static uint32_t progressFloatToFixed (float f)
 
- Protected Attributes inherited from itk::FiniteDifferenceImageFilter< TInputImage, TOutputImage >
IdentifierType m_ElapsedIterations {}
 
bool m_IsInitialized {}
 
bool m_ManualReinitialization {}
 
double m_MaximumRMSError {}
 
IdentifierType m_NumberOfIterations {}
 
double m_RMSChange {}
 
- Protected Attributes inherited from itk::ImageSource< TOutputImage >
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

◆ ConstPointer

template<typename TInputImage , typename TOutputImage >
using itk::CurvatureFlowImageFilter< TInputImage, TOutputImage >::ConstPointer = SmartPointer<const Self>

Definition at line 106 of file itkCurvatureFlowImageFilter.h.

◆ CurvatureFlowFunctionType

template<typename TInputImage , typename TOutputImage >
using itk::CurvatureFlowImageFilter< TInputImage, TOutputImage >::CurvatureFlowFunctionType = CurvatureFlowFunction<OutputImageType>

CurvatureFlowFunction type.

Definition at line 125 of file itkCurvatureFlowImageFilter.h.

◆ OutputImagePointer

template<typename TInputImage , typename TOutputImage >
using itk::CurvatureFlowImageFilter< TInputImage, TOutputImage >::OutputImagePointer = typename OutputImageType::Pointer

Definition at line 119 of file itkCurvatureFlowImageFilter.h.

◆ Pointer

template<typename TInputImage , typename TOutputImage >
using itk::CurvatureFlowImageFilter< TInputImage, TOutputImage >::Pointer = SmartPointer<Self>

Definition at line 105 of file itkCurvatureFlowImageFilter.h.

◆ Self

template<typename TInputImage , typename TOutputImage >
using itk::CurvatureFlowImageFilter< TInputImage, TOutputImage >::Self = CurvatureFlowImageFilter

Standard class type aliases.

Definition at line 103 of file itkCurvatureFlowImageFilter.h.

◆ Superclass

template<typename TInputImage , typename TOutputImage >
using itk::CurvatureFlowImageFilter< TInputImage, TOutputImage >::Superclass = DenseFiniteDifferenceImageFilter<TInputImage, TOutputImage>

Definition at line 104 of file itkCurvatureFlowImageFilter.h.

Constructor & Destructor Documentation

◆ CurvatureFlowImageFilter()

template<typename TInputImage , typename TOutputImage >
itk::CurvatureFlowImageFilter< TInputImage, TOutputImage >::CurvatureFlowImageFilter ( )
protected

◆ ~CurvatureFlowImageFilter()

template<typename TInputImage , typename TOutputImage >
itk::CurvatureFlowImageFilter< TInputImage, TOutputImage >::~CurvatureFlowImageFilter ( )
overrideprotecteddefault

Member Function Documentation

◆ EnlargeOutputRequestedRegion()

template<typename TInputImage , typename TOutputImage >
void itk::CurvatureFlowImageFilter< TInputImage, TOutputImage >::EnlargeOutputRequestedRegion ( DataObject )
overrideprotectedvirtual

To support streaming, this filter produces a output which is larger than the original requested region. The output is padding by m_NumberOfIterations pixels on edge.

Reimplemented from itk::ProcessObject.

◆ GenerateInputRequestedRegion()

template<typename TInputImage , typename TOutputImage >
void itk::CurvatureFlowImageFilter< TInputImage, TOutputImage >::GenerateInputRequestedRegion ( )
overrideprotectedvirtual

Edge effects are taken care of by padding the output requested region. As such, the input requested region needs to at minimum the same size as the output requested region.

Reimplemented from itk::FiniteDifferenceImageFilter< TInputImage, TOutputImage >.

◆ GetNameOfClass()

template<typename TInputImage , typename TOutputImage >
const char* itk::CurvatureFlowImageFilter< TInputImage, TOutputImage >::GetNameOfClass ( ) const
overridevirtual

◆ GetTimeStep()

template<typename TInputImage , typename TOutputImage >
virtual TimeStepType itk::CurvatureFlowImageFilter< TInputImage, TOutputImage >::GetTimeStep ( ) const
virtual

Get the timestep parameter.

◆ Halt()

template<typename TInputImage , typename TOutputImage >
bool itk::CurvatureFlowImageFilter< TInputImage, TOutputImage >::Halt ( )
inlineoverrideprotectedvirtual

Supplies the halting criteria for this class of filters. The algorithm will stop after a user-specified number of iterations.

Reimplemented from itk::FiniteDifferenceImageFilter< TInputImage, TOutputImage >.

Definition at line 165 of file itkCurvatureFlowImageFilter.h.

◆ InitializeIteration()

template<typename TInputImage , typename TOutputImage >
void itk::CurvatureFlowImageFilter< TInputImage, TOutputImage >::InitializeIteration ( )
overrideprotectedvirtual

Initialize the state of filter and equation before each iteration. Progress feedback is implemented as part of this method.

Reimplemented from itk::FiniteDifferenceImageFilter< TInputImage, TOutputImage >.

Reimplemented in itk::MinMaxCurvatureFlowImageFilter< TInputImage, TOutputImage >.

◆ New()

template<typename TInputImage , typename TOutputImage >
static Pointer itk::CurvatureFlowImageFilter< TInputImage, TOutputImage >::New ( )
static

Method for creation through the object factory.

◆ PrintSelf()

template<typename TInputImage , typename TOutputImage >
void itk::CurvatureFlowImageFilter< TInputImage, TOutputImage >::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::DenseFiniteDifferenceImageFilter< TInputImage, TOutputImage >.

Reimplemented in itk::MinMaxCurvatureFlowImageFilter< TInputImage, TOutputImage >.

◆ SetTimeStep()

template<typename TInputImage , typename TOutputImage >
virtual void itk::CurvatureFlowImageFilter< TInputImage, TOutputImage >::SetTimeStep ( TimeStepType  _arg)
virtual

Set the timestep parameter.

Member Data Documentation

◆ ImageDimension

template<typename TInputImage , typename TOutputImage >
constexpr unsigned int itk::CurvatureFlowImageFilter< TInputImage, TOutputImage >::ImageDimension = Superclass::ImageDimension
staticconstexpr

Dimensionality of input and output data is assumed to be the same. It is inherited from the superclass.

Definition at line 129 of file itkCurvatureFlowImageFilter.h.

◆ m_TimeStep

template<typename TInputImage , typename TOutputImage >
TimeStepType itk::CurvatureFlowImageFilter< TInputImage, TOutputImage >::m_TimeStep {}
private

Definition at line 196 of file itkCurvatureFlowImageFilter.h.


The documentation for this class was generated from the following file: