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< class TFeatureImage, class TOutputPixel >
class ITK_EXPORT ShapePriorMAPCostFunction:
  public ShapePriorMAPCostFunctionBase< TFeatureImage, TOutputPixel >
{
public:
  typedef ShapePriorMAPCostFunction                                    Self;
  typedef ShapePriorMAPCostFunctionBase< TFeatureImage, TOutputPixel > Superclass;
  typedef SmartPointer< Self >                                         Pointer;
  typedef SmartPointer< const Self >                                   ConstPointer;

  itkNewMacro(Self);

  itkTypeMacro(ShapePriorMAPCostFunction, ShapePriorMAPCostFunctionBase);

  typedef typename Superclass::ParametersType ParametersType;

  typedef typename Superclass::FeatureImageType    FeatureImageType;
  typedef typename Superclass::FeatureImagePointer FeatureImagePointer;

  typedef typename Superclass::MeasureType MeasureType;

  itkStaticConstMacro(ImageDimension, unsigned int, TFeatureImage::ImageDimension);

  typedef typename Superclass::PixelType PixelType;

  typedef typename Superclass::NodeType NodeType;

  typedef typename Superclass::NodeContainerType NodeContainerType;

  typedef typename Superclass::ShapeFunctionType ShapeFunctionType;

  typedef Array< double > ArrayType;

  itkSetMacro(ShapeParameterMeans, ArrayType);
  itkGetConstMacro(ShapeParameterMeans, ArrayType);

  itkSetMacro(ShapeParameterStandardDeviations, ArrayType);
  itkGetConstMacro(ShapeParameterStandardDeviations, ArrayType);

  typedef FixedArray< double, 4 > WeightsType;
  itkSetMacro(Weights, WeightsType);
  itkGetConstReferenceMacro(Weights, WeightsType);

  virtual MeasureType ComputeLogInsideTerm(const ParametersType & parameters) const;

  virtual MeasureType ComputeLogGradientTerm(const ParametersType & parameters) const;

  virtual MeasureType ComputeLogShapePriorTerm(const ParametersType & parameters) const;

  virtual MeasureType ComputeLogPosePriorTerm(const ParametersType & parameters) const;

  virtual void Initialize(void)
  throw ( ExceptionObject );

protected:
  ShapePriorMAPCostFunction();
  virtual ~ShapePriorMAPCostFunction() {}

  void PrintSelf(std::ostream & os, Indent indent) const;

private:
  ShapePriorMAPCostFunction(const Self &); //purposely not implemented
  void operator=(const Self &);            //purposely not implemented

  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