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using | ConstPointer = SmartPointer< const Self > |
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using | FunctionType = LevelSetFunctionWithRefitTerm< TOutputImage, SparseImageType > |
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using | Pointer = SmartPointer< Self > |
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using | RadiusType = typename FunctionType::RadiusType |
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using | Self = IsotropicFourthOrderLevelSetImageFilter |
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using | SparseImageType = typename Superclass::SparseImageType |
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using | Superclass = SparseFieldFourthOrderLevelSetImageFilter< TInputImage, TOutputImage > |
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using | ConstPointer = SmartPointer< const Self > |
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using | IndexType = typename Superclass::IndexType |
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using | LayerType = typename Superclass::LayerType |
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using | LevelSetFunctionType = LevelSetFunctionWithRefitTerm< OutputImageType, SparseImageType > |
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using | NeighborhoodScalesType = typename Superclass::NeighborhoodScalesType |
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using | NodeType = NormalBandNode< OutputImageType > |
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using | NormalVectorFilterType = ImplicitManifoldNormalVectorFilter< OutputImageType, SparseImageType > |
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using | NormalVectorFunctionType = NormalVectorDiffusionFunction< SparseImageType > |
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using | NormalVectorType = typename NodeType::NodeDataType |
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using | OutputImageType = typename Superclass::OutputImageType |
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using | Pointer = SmartPointer< Self > |
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using | RadiusType = typename Superclass::RadiusType |
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using | Self = SparseFieldFourthOrderLevelSetImageFilter |
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using | SparseImageIteratorType = NeighborhoodIterator< SparseImageType > |
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using | SparseImageType = SparseImage< NodeType, Self::ImageDimension > |
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using | Superclass = SparseFieldLevelSetImageFilter< TInputImage, TOutputImage > |
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using | ValueType = typename Superclass::ValueType |
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using | ConstPointer = SmartPointer< const Self > |
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using | IndexType = typename OutputImageType::IndexType |
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using | InputImageType = TInputImage |
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using | LayerListType = std::vector< LayerPointerType > |
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using | LayerNodeStorageType = ObjectStore< LayerNodeType > |
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using | LayerNodeType = SparseFieldLevelSetNode< IndexType > |
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using | LayerPointerType = typename LayerType::Pointer |
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using | LayerType = SparseFieldLayer< LayerNodeType > |
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using | NeighborhoodScalesType = typename Superclass::NeighborhoodScalesType |
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using | OutputImageType = TOutputImage |
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using | Pointer = SmartPointer< Self > |
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using | RadiusType = typename Superclass::RadiusType |
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using | Self = SparseFieldLevelSetImageFilter |
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using | StatusImageType = Image< StatusType, Self::ImageDimension > |
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using | StatusType = signed char |
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using | Superclass = FiniteDifferenceImageFilter< TInputImage, TOutputImage > |
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using | TimeStepType = typename Superclass::TimeStepType |
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using | UpdateBufferType = std::vector< ValueType > |
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using | ValueType = typename OutputImageType::ValueType |
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using | ConstPointer = SmartPointer< const Self > |
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using | FiniteDifferenceFunctionType = FiniteDifferenceFunction< TOutputImage > |
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using | InputImageType = TInputImage |
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using | InputPixelType = typename TInputImage::PixelType |
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using | InputPixelValueType = typename NumericTraits< InputPixelType >::ValueType |
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using | NeighborhoodScalesType = typename FiniteDifferenceFunctionType::NeighborhoodScalesType |
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using | OutputImageType = TOutputImage |
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using | OutputPixelType = typename TOutputImage::PixelType |
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using | OutputPixelValueType = typename NumericTraits< OutputPixelType >::ValueType |
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using | PixelType = OutputPixelType |
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using | Pointer = SmartPointer< Self > |
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using | RadiusType = typename FiniteDifferenceFunctionType::RadiusType |
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using | Self = FiniteDifferenceImageFilter |
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using | Superclass = InPlaceImageFilter< TInputImage, TOutputImage > |
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using | TimeStepType = typename FiniteDifferenceFunctionType::TimeStepType |
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using | ConstPointer = SmartPointer< const Self > |
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using | InputImageConstPointer = typename InputImageType::ConstPointer |
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using | InputImagePixelType = typename InputImageType::PixelType |
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using | InputImagePointer = typename InputImageType::Pointer |
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using | InputImageRegionType = typename InputImageType::RegionType |
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using | InputImageType = TInputImage |
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using | OutputImagePixelType = typename Superclass::OutputImagePixelType |
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using | OutputImagePointer = typename Superclass::OutputImagePointer |
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using | OutputImageRegionType = typename Superclass::OutputImageRegionType |
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using | OutputImageType = typename Superclass::OutputImageType |
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using | Pointer = SmartPointer< Self > |
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using | Self = InPlaceImageFilter |
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using | Superclass = ImageToImageFilter< TInputImage, TOutputImage > |
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using | ConstPointer = SmartPointer< const Self > |
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using | InputImageConstPointer = typename InputImageType::ConstPointer |
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using | InputImagePixelType = typename InputImageType::PixelType |
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using | InputImagePointer = typename InputImageType::Pointer |
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using | InputImageRegionType = typename InputImageType::RegionType |
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using | InputImageType = TInputImage |
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using | OutputImagePixelType = typename Superclass::OutputImagePixelType |
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using | OutputImageRegionType = typename Superclass::OutputImageRegionType |
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using | Pointer = SmartPointer< Self > |
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using | Self = ImageToImageFilter |
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using | Superclass = ImageSource< TOutputImage > |
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using | ConstPointer = SmartPointer< const Self > |
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using | DataObjectIdentifierType = Superclass::DataObjectIdentifierType |
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using | DataObjectPointer = DataObject::Pointer |
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using | DataObjectPointerArraySizeType = Superclass::DataObjectPointerArraySizeType |
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using | OutputImagePixelType = typename OutputImageType::PixelType |
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using | OutputImagePointer = typename OutputImageType::Pointer |
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using | OutputImageRegionType = typename OutputImageType::RegionType |
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using | OutputImageType = TOutputImage |
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using | Pointer = SmartPointer< Self > |
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using | Self = ImageSource |
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using | Superclass = ProcessObject |
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using | ConstPointer = SmartPointer< const Self > |
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using | DataObjectIdentifierType = DataObject::DataObjectIdentifierType |
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using | DataObjectPointer = DataObject::Pointer |
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using | DataObjectPointerArray = std::vector< DataObjectPointer > |
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using | DataObjectPointerArraySizeType = DataObjectPointerArray::size_type |
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using | MultiThreaderType = MultiThreaderBase |
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using | NameArray = std::vector< DataObjectIdentifierType > |
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using | Pointer = SmartPointer< Self > |
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using | Self = ProcessObject |
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using | Superclass = Object |
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using | ConstPointer = SmartPointer< const Self > |
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using | Pointer = SmartPointer< Self > |
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using | Self = Object |
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using | Superclass = LightObject |
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using | ConstPointer = SmartPointer< const Self > |
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using | Pointer = SmartPointer< Self > |
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using | Self = LightObject |
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| IsotropicFourthOrderLevelSetImageFilter () |
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void | PrintSelf (std::ostream &os, Indent indent) const override |
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| ~IsotropicFourthOrderLevelSetImageFilter () override=default |
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bool | Halt () override |
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| SparseFieldFourthOrderLevelSetImageFilter () |
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| ~SparseFieldFourthOrderLevelSetImageFilter () override=default |
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void | PrintSelf (std::ostream &os, Indent indent) const override |
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ValueType | ComputeCurvatureFromSparseImageNeighborhood (SparseImageIteratorType &it) const |
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void | ComputeCurvatureTarget (const OutputImageType *distanceImage, SparseImageType *sparseImage) const |
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void | ProcessNormals () |
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bool | ActiveLayerCheckBand () const |
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| SparseFieldLevelSetImageFilter () |
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| ~SparseFieldLevelSetImageFilter () override=default |
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void | PrintSelf (std::ostream &os, Indent indent) const override |
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virtual ValueType | CalculateUpdateValue (const IndexType &, const TimeStepType &dt, const ValueType &value, const ValueType &change) |
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void | PostProcessOutput () override |
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virtual void | InitializeBackgroundPixels () |
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void | Initialize () override |
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void | CopyInputToOutput () override |
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void | AllocateUpdateBuffer () override |
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void | ApplyUpdate (const TimeStepType &dt) override |
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TimeStepType | CalculateChange () override |
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void | ConstructLayer (StatusType from, StatusType to) |
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void | ConstructActiveLayer () |
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void | InitializeActiveLayerValues () |
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void | PropagateLayerValues (StatusType from, StatusType to, StatusType promote, int InOrOut) |
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void | PropagateAllLayerValues () |
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void | UpdateActiveLayerValues (TimeStepType dt, LayerType *UpList, LayerType *DownList) |
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void | ProcessStatusList (LayerType *InputList, LayerType *OutputList, StatusType ChangeToStatus, StatusType SearchForStatus) |
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void | ProcessOutsideList (LayerType *OutsideList, StatusType ChangeToStatus) |
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virtual ValueType | GetValueZero () const |
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virtual ValueType | GetValueOne () const |
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| FiniteDifferenceImageFilter () |
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| ~FiniteDifferenceImageFilter () override=default |
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void | GenerateData () override |
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void | GenerateInputRequestedRegion () override |
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virtual bool | ThreadedHalt (void *) |
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virtual TimeStepType | ResolveTimeStep (const std::vector< TimeStepType > &timeStepList, const std::vector< bool > &valid) const |
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virtual void | SetElapsedIterations (IdentifierType _arg) |
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| InPlaceImageFilter ()=default |
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| ~InPlaceImageFilter () override=default |
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void | AllocateOutputs () override |
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void | ReleaseInputs () override |
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virtual bool | GetRunningInPlace () const |
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| ImageToImageFilter () |
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| ~ImageToImageFilter () override=default |
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void | VerifyInputInformation () ITKv5_CONST override |
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virtual void | CallCopyOutputRegionToInputRegion (InputImageRegionType &destRegion, const OutputImageRegionType &srcRegion) |
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virtual void | CallCopyInputRegionToOutputRegion (OutputImageRegionType &destRegion, const InputImageRegionType &srcRegion) |
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void | PushBackInput (const DataObject *input) override |
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void | PushFrontInput (const DataObject *input) override |
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| ImageSource () |
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| ~ImageSource () override=default |
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void | ClassicMultiThread (ThreadFunctionType callbackFunction) |
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virtual void | ThreadedGenerateData (const OutputImageRegionType ®ion, ThreadIdType threadId) |
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virtual void | DynamicThreadedGenerateData (const OutputImageRegionType &outputRegionForThread) |
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virtual void | BeforeThreadedGenerateData () |
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virtual void | AfterThreadedGenerateData () |
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virtual const ImageRegionSplitterBase * | GetImageRegionSplitter () const |
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virtual unsigned int | SplitRequestedRegion (unsigned int i, unsigned int pieces, OutputImageRegionType &splitRegion) |
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virtual bool | GetDynamicMultiThreading () const |
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virtual void | SetDynamicMultiThreading (bool _arg) |
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virtual void | DynamicMultiThreadingOn () |
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virtual void | DynamicMultiThreadingOff () |
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| ProcessObject () |
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| ~ProcessObject () override |
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DataObject * | GetInput (const DataObjectIdentifierType &key) |
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const DataObject * | GetInput (const DataObjectIdentifierType &key) const |
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DataObject * | GetInput (DataObjectPointerArraySizeType idx) |
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const DataObject * | GetInput (DataObjectPointerArraySizeType idx) const |
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virtual void | SetInput (const DataObjectIdentifierType &key, DataObject *input) |
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virtual void | SetNthInput (DataObjectPointerArraySizeType idx, DataObject *input) |
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virtual void | AddInput (DataObject *input) |
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virtual void | RemoveInput (const DataObjectIdentifierType &key) |
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virtual void | RemoveInput (DataObjectPointerArraySizeType) |
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DataObject * | GetPrimaryInput () |
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const DataObject * | GetPrimaryInput () const |
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virtual void | SetPrimaryInputName (const DataObjectIdentifierType &key) |
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virtual const char * | GetPrimaryInputName () const |
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virtual void | SetPrimaryInput (DataObject *object) |
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void | SetNumberOfIndexedInputs (DataObjectPointerArraySizeType num) |
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virtual void | SetNumberOfRequiredInputs (DataObjectPointerArraySizeType) |
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virtual const DataObjectPointerArraySizeType & | GetNumberOfRequiredInputs () const |
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bool | RemoveRequiredInputName (const DataObjectIdentifierType &) |
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bool | IsRequiredInputName (const DataObjectIdentifierType &) const |
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void | SetRequiredInputNames (const NameArray &) |
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bool | AddRequiredInputName (const DataObjectIdentifierType &) |
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bool | AddRequiredInputName (const DataObjectIdentifierType &, DataObjectPointerArraySizeType idx) |
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void | AddOptionalInputName (const DataObjectIdentifierType &) |
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void | AddOptionalInputName (const DataObjectIdentifierType &, DataObjectPointerArraySizeType idx) |
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DataObject * | GetOutput (const DataObjectIdentifierType &key) |
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const DataObject * | GetOutput (const DataObjectIdentifierType &key) const |
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virtual void | SetPrimaryOutputName (const DataObjectIdentifierType &key) |
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virtual const char * | GetPrimaryOutputName () const |
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DataObject * | GetOutput (DataObjectPointerArraySizeType i) |
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const DataObject * | GetOutput (DataObjectPointerArraySizeType i) const |
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virtual void | SetOutput (const DataObjectIdentifierType &name, DataObject *output) |
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virtual void | RemoveOutput (const DataObjectIdentifierType &key) |
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DataObject * | GetPrimaryOutput () |
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const DataObject * | GetPrimaryOutput () const |
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virtual void | SetPrimaryOutput (DataObject *object) |
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virtual void | SetNthOutput (DataObjectPointerArraySizeType idx, DataObject *output) |
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virtual void | AddOutput (DataObject *output) |
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virtual void | RemoveOutput (DataObjectPointerArraySizeType idx) |
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virtual void | SetNumberOfRequiredOutputs (DataObjectPointerArraySizeType _arg) |
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virtual const DataObjectPointerArraySizeType & | GetNumberOfRequiredOutputs () const |
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void | SetNumberOfIndexedOutputs (DataObjectPointerArraySizeType num) |
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DataObjectIdentifierType | MakeNameFromInputIndex (DataObjectPointerArraySizeType idx) const |
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DataObjectIdentifierType | MakeNameFromOutputIndex (DataObjectPointerArraySizeType idx) const |
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DataObjectPointerArraySizeType | MakeIndexFromInputName (const DataObjectIdentifierType &name) const |
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DataObjectPointerArraySizeType | MakeIndexFromOutputName (const DataObjectIdentifierType &name) const |
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bool | IsIndexedInputName (const DataObjectIdentifierType &) const |
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bool | IsIndexedOutputName (const DataObjectIdentifierType &) const |
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virtual void | VerifyPreconditions () ITKv5_CONST |
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virtual void | GenerateOutputRequestedRegion (DataObject *output) |
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virtual void | GenerateOutputInformation () |
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virtual void | PropagateResetPipeline () |
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virtual void | CacheInputReleaseDataFlags () |
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virtual void | RestoreInputReleaseDataFlags () |
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virtual bool | GetThreaderUpdateProgress () const |
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virtual void | ThreaderUpdateProgressOn () |
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virtual void | ThreaderUpdateProgressOff () |
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virtual void | SetThreaderUpdateProgress (bool arg) |
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| Object () |
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| ~Object () override |
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bool | PrintObservers (std::ostream &os, Indent indent) const |
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virtual void | SetTimeStamp (const TimeStamp &timeStamp) |
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virtual LightObject::Pointer | InternalClone () const |
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| LightObject () |
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virtual void | PrintHeader (std::ostream &os, Indent indent) const |
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virtual void | PrintTrailer (std::ostream &os, Indent indent) const |
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virtual | ~LightObject () |
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template<typename TInputImage, typename TOutputImage>
class itk::IsotropicFourthOrderLevelSetImageFilter< TInputImage, TOutputImage >
This class implements the 4th-order level set isotropic diffusion (smoothing) PDE.
- INPUT and OUTPUT
- This is a volume to volume filter; however, it is meant to process (smooth) surfaces. The input surface is an isosurface of the input volume. The isosurface value to be processed can be set by calling SetIsoSurfaceValue (default is 0). The output surface is the 0-isosurface of the output volume, regardless of the input isosurface value. To visualize the input/output surfaces to this filter a mesh extraction method such as marching cubes can be used.
- The 4th-order level set PDE framework is proposed as an alternative to 2nd order PDEs. By order we mean the order of differentiation of the level set image function required to compute derivatives for updating the image. For instance, the popular curvature flow uses 2nd-order derivatives of the level set image; hence, it is a 2nd order PDE.
- 2nd-order curvature flow can be used by itself to smooth surfaces as a post-processing filter or it can be used with other PDE terms such as a Canny edge term that attracts the surface to strong edges in a data image. Curvature flow smoothes surfaces by making the surface move in the direction that will decrease surface area.
- The 4th-order PDE framework provides an improvement over curvature flow. Instead of making the surface move to decrease surface area it makes the surface move to decrease total curvature. Similar to curvature flow, these PDEs can be used alone or in conjunction with data terms. The 4th-order PDE framework is implemented in SparseFieldFourthOrderLevelSetImageFilter. This filter class, which is derived from that, uses the 4th-order PDE by itself to implement an isotropic surface smoothing algorithm. A feature preserving anisotropic variant of this algorithm is implemented in AnisotropicFourthOrderLevelSetImageFilter.
- PARAMETERS
- As mentioned before, the IsoSurfaceValue parameter chooses which isosurface of the input to process. The MaxFilterIterations parameter determine the number of iterations for which this filter will run. The more iterations, the more smoothing.
Definition at line 74 of file itkIsotropicFourthOrderLevelSetImageFilter.h.