itkShapePriorMAPCostFunction.h

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/*=========================================================================

  Program:   Insight Segmentation & Registration Toolkit
  Module:    $RCSfile: itkShapePriorMAPCostFunction.h,v $
  Language:  C++
  Date:      $Date: 2009-04-23 03:53:37 $
  Version:   $Revision: 1.8 $

  Copyright (c) Insight Software Consortium. All rights reserved.
  See ITKCopyright.txt or http://www.itk.org/HTML/Copyright.htm for details.

     This software is distributed WITHOUT ANY WARRANTY; without even 
     the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR 
     PURPOSE.  See the above copyright notices for more information.

=========================================================================*/
#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::Pointer  m_GaussianFunction;

};


} // end namespace itk


#ifndef ITK_MANUAL_INSTANTIATION
#include "itkShapePriorMAPCostFunction.txx"
#endif

#endif

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