itkShapePriorMAPCostFunction.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 itkShapePriorMAPCostFunction_h
#define itkShapePriorMAPCostFunction_h
 
#include "itkShapePriorMAPCostFunctionBase.h"
#include "itkGaussianKernelFunction.h"
 
namespace itk
{
template <typename TFeatureImage, typename TOutputPixel>
class ITK_TEMPLATE_EXPORT ShapePriorMAPCostFunction : public ShapePriorMAPCostFunctionBase<TFeatureImage, TOutputPixel>
{
public:
  ITK_DISALLOW_COPY_AND_MOVE(ShapePriorMAPCostFunction);
 
  using Self = ShapePriorMAPCostFunction;
  using Superclass = ShapePriorMAPCostFunctionBase<TFeatureImage, TOutputPixel>;
  using Pointer = SmartPointer<Self>;
  using ConstPointer = SmartPointer<const Self>;
 
  itkNewMacro(Self);
 
  itkOverrideGetNameOfClassMacro(ShapePriorMAPCostFunction);
 
  using typename Superclass::ParametersType;
 
  using typename Superclass::FeatureImageType;
  using typename Superclass::FeatureImagePointer;
 
  using typename Superclass::MeasureType;
 
  static constexpr unsigned int ImageDimension = TFeatureImage::ImageDimension;
 
  using typename Superclass::PixelType;
 
  using typename Superclass::NodeType;
 
  using typename Superclass::NodeContainerType;
 
  using typename Superclass::ShapeFunctionType;
 
  using ArrayType = Array<double>;
 
  itkSetMacro(ShapeParameterMeans, ArrayType);
  itkGetConstMacro(ShapeParameterMeans, ArrayType);
  itkSetMacro(ShapeParameterStandardDeviations, ArrayType);
  itkGetConstMacro(ShapeParameterStandardDeviations, ArrayType);
  using WeightsType = FixedArray<double, 4>;
  itkSetMacro(Weights, WeightsType);
  itkGetConstReferenceMacro(Weights, WeightsType);
  MeasureType
  ComputeLogInsideTerm(const ParametersType & parameters) const override;
 
  MeasureType
  ComputeLogGradientTerm(const ParametersType & parameters) const override;
 
  MeasureType
  ComputeLogShapePriorTerm(const ParametersType & parameters) const override;
 
  MeasureType
  ComputeLogPosePriorTerm(const ParametersType & parameters) const override;
 
  void
  Initialize() override;
 
protected:
  ShapePriorMAPCostFunction();
  ~ShapePriorMAPCostFunction() override = default;
 
  void
  PrintSelf(std::ostream & os, Indent indent) const override;
 
private:
  ArrayType   m_ShapeParameterMeans{};
  ArrayType   m_ShapeParameterStandardDeviations{};
  WeightsType m_Weights{};
 
  typename GaussianKernelFunction<double>::Pointer m_GaussianFunction{};
};
} // end namespace itk
 
#ifndef ITK_MANUAL_INSTANTIATION
#  include "itkShapePriorMAPCostFunction.hxx"
#endif
 
#endif