itkShiSparseLevelSetImage.h

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/*=========================================================================
 *
 *  Copyright Insight Software Consortium
 *
 *  Licensed under the Apache License, Version 2.0 (the "License");
 *  you may not use this file except in compliance with the License.
 *  You may obtain a copy of the License at
 *
 *         http://www.apache.org/licenses/LICENSE-2.0.txt
 *
 *  Unless required by applicable law or agreed to in writing, software
 *  distributed under the License is distributed on an "AS IS" BASIS,
 *  WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 *  See the License for the specific language governing permissions and
 *  limitations under the License.
 *
 *=========================================================================*/

#ifndef itkShiSparseLevelSetImage_h
#define itkShiSparseLevelSetImage_h

#include "itkLevelSetSparseImage.h"

namespace itk
{
template< unsigned int VDimension >
class ITK_TEMPLATE_EXPORT ShiSparseLevelSetImage :
    public LevelSetSparseImage< int8_t, VDimension >
{
public:
  ITK_DISALLOW_COPY_AND_ASSIGN(ShiSparseLevelSetImage);

  using Self = ShiSparseLevelSetImage;
  using Pointer = SmartPointer< Self >;
  using ConstPointer = SmartPointer< const Self >;
  using Superclass =
      LevelSetSparseImage< int8_t, VDimension >;

  itkNewMacro(Self);

  itkTypeMacro(ShiSparseLevelSetImage, LevelSetSparseImage);

  static constexpr unsigned int Dimension = VDimension;

  using InputType = typename Superclass::InputType;
  using OutputType = typename Superclass::OutputType;
  using OutputRealType = typename Superclass::OutputRealType;
  using GradientType = typename Superclass::GradientType;
  using HessianType = typename Superclass::HessianType;
  using LevelSetDataType = typename Superclass::LevelSetDataType;

  using LayerIdType = typename Superclass::LayerIdType;
  using LabelObjectType = typename Superclass::LabelObjectType;
  using LabelObjectPointer = typename Superclass::LabelObjectPointer;
  using LabelObjectLengthType = typename Superclass::LabelObjectLengthType;
  using LabelObjectLineType = typename Superclass::LabelObjectLineType;

  using LabelMapType = typename Superclass::LabelMapType;
  using LabelMapPointer = typename Superclass::LabelMapPointer;
  using RegionType = typename Superclass::RegionType;

  using LayerType = typename Superclass::LayerType;
  using LayerIterator = typename Superclass::LayerIterator;
  using LayerConstIterator = typename Superclass::LayerConstIterator;

  using LayerMapType = typename Superclass::LayerMapType;
  using LayerMapIterator = typename Superclass::LayerMapIterator;
  using LayerMapConstIterator = typename Superclass::LayerMapConstIterator;

  using Superclass::Evaluate;
  OutputType Evaluate( const InputType& inputIndex ) const override;

  HessianType EvaluateHessian( const InputType& inputIndex ) const override;

  OutputRealType EvaluateLaplacian( const InputType& inputIndex ) const override;

  OutputRealType EvaluateMeanCurvature( const InputType& inputIndex ) const override;

  void EvaluateHessian( const InputType& inputIndex, LevelSetDataType& data ) const override;
  void EvaluateLaplacian( const InputType& inputIndex, LevelSetDataType& data ) const override;
  void EvaluateMeanCurvature( const InputType& inputIndex, LevelSetDataType& data ) const override;

  static inline LayerIdType MinusThreeLayer() { return -3; }
  static inline LayerIdType MinusOneLayer() { return -1; }
  static inline LayerIdType PlusOneLayer() { return 1; }
  static inline LayerIdType PlusThreeLayer() { return 3; }

protected:

  ShiSparseLevelSetImage();

  ~ShiSparseLevelSetImage() override = default;

  void InitializeLayers() override;

  void InitializeInternalLabelList() override;

private:

};
}

#ifndef ITK_MANUAL_INSTANTIATION
#include "itkShiSparseLevelSetImage.hxx"
#endif

#endif // itkShiSparseLevelSetImage_h