itkShiSparseLevelSetImage.h

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/*=========================================================================
 *
 *  Copyright NumFOCUS
 *
 *  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
 *
 *         https://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_MOVE(ShiSparseLevelSetImage);
 
  using Self = ShiSparseLevelSetImage;
  using Pointer = SmartPointer<Self>;
  using ConstPointer = SmartPointer<const Self>;
  using Superclass = LevelSetSparseImage<int8_t, VDimension>;

  itkNewMacro(Self);

  itkOverrideGetNameOfClassMacro(ShiSparseLevelSetImage);
 
  static constexpr unsigned int Dimension = VDimension;
 
  using typename Superclass::InputType;
  using typename Superclass::OutputType;
  using typename Superclass::OutputRealType;
  using typename Superclass::GradientType;
  using typename Superclass::HessianType;
  using typename Superclass::LevelSetDataType;
 
  using typename Superclass::LayerIdType;
  using typename Superclass::LabelObjectType;
  using typename Superclass::LabelObjectPointer;
  using typename Superclass::LabelObjectLengthType;
  using typename Superclass::LabelObjectLineType;
 
  using typename Superclass::LabelMapType;
  using typename Superclass::LabelMapPointer;
  using typename Superclass::RegionType;
 
  using typename Superclass::LayerType;
  using typename Superclass::LayerIterator;
  using typename Superclass::LayerConstIterator;
 
  using typename Superclass::LayerMapType;
  using typename Superclass::LayerMapIterator;
  using 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:
};
} // namespace itk
 
#ifndef ITK_MANUAL_INSTANTIATION
#  include "itkShiSparseLevelSetImage.hxx"
#endif
 
#endif // itkShiSparseLevelSetImage_h