itkShapePriorMAPCostFunction.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 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_ASSIGN(ShapePriorMAPCostFunction);

  using Self = ShapePriorMAPCostFunction;
  using Superclass = ShapePriorMAPCostFunctionBase< TFeatureImage, TOutputPixel >;
  using Pointer = SmartPointer< Self >;
  using ConstPointer = SmartPointer< const Self >;

  itkNewMacro(Self);

  itkTypeMacro(ShapePriorMAPCostFunction, ShapePriorMAPCostFunctionBase);

  using ParametersType = typename Superclass::ParametersType;

  using FeatureImageType = typename Superclass::FeatureImageType;
  using FeatureImagePointer = typename Superclass::FeatureImagePointer;

  using MeasureType = typename Superclass::MeasureType;

  static constexpr unsigned int ImageDimension = TFeatureImage::ImageDimension;

  using PixelType = typename Superclass::PixelType;

  using NodeType = typename Superclass::NodeType;

  using NodeContainerType = typename Superclass::NodeContainerType;

  using ShapeFunctionType = 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