itkShapePriorMAPCostFunctionBase.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 __itkShapePriorMAPCostFunctionBase_h
#define __itkShapePriorMAPCostFunctionBase_h

#include "itkSingleValuedCostFunction.h"
#include "itkLevelSet.h"
#include "itkShapeSignedDistanceFunction.h"

namespace itk
{
template< class TFeatureImage, class TOutputPixel >
class ITK_EXPORT ShapePriorMAPCostFunctionBase:
  public SingleValuedCostFunction
{
public:
  typedef ShapePriorMAPCostFunctionBase Self;
  typedef SingleValuedCostFunction      Superclass;
  typedef SmartPointer< Self >          Pointer;
  typedef SmartPointer< const Self >    ConstPointer;

  itkTypeMacro(ShapePriorMAPCostFunctionBase, SingleValuedCostFunction);

  typedef typename Superclass::MeasureType MeasureType;

  typedef typename Superclass::DerivativeType DerivativeType;

  typedef typename Superclass::ParametersType ParametersType;

  typedef TFeatureImage                           FeatureImageType;
  typedef typename FeatureImageType::ConstPointer FeatureImagePointer;

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

  typedef TOutputPixel PixelType;

  typedef LevelSetNode< PixelType, itkGetStaticConstMacro(ImageDimension) > NodeType;

  typedef VectorContainer< unsigned int, NodeType > NodeContainerType;
  typedef typename NodeContainerType::ConstPointer  NodeContainerPointer;

  typedef ShapeSignedDistanceFunction< double,
                                       itkGetStaticConstMacro(ImageDimension) > ShapeFunctionType;
  typedef typename ShapeFunctionType::Pointer ShapeFunctionPointer;

  itkSetObjectMacro(ShapeFunction, ShapeFunctionType);
  itkGetModifiableObjectMacro(ShapeFunction, ShapeFunctionType);

  itkSetConstObjectMacro(ActiveRegion, NodeContainerType);
  itkGetConstObjectMacro(ActiveRegion, NodeContainerType);

  itkSetConstObjectMacro(FeatureImage, FeatureImageType);
  itkGetConstObjectMacro(FeatureImage, FeatureImageType);

  virtual MeasureType GetValue(const ParametersType & parameters) const;

  virtual void GetDerivative(const ParametersType &, DerivativeType &) const
  { itkExceptionMacro(<< "This function is currently not supported."); }

  virtual unsigned int GetNumberOfParameters(void) const
  { return m_ShapeFunction->GetNumberOfParameters(); }

  virtual MeasureType ComputeLogInsideTerm(const ParametersType &) const = 0;

  virtual MeasureType ComputeLogGradientTerm(const ParametersType &) const = 0;

  virtual MeasureType ComputeLogShapePriorTerm(const ParametersType &) const = 0;

  virtual MeasureType ComputeLogPosePriorTerm(const ParametersType &) const = 0;

  virtual void Initialize(void)
  throw ( ExceptionObject );

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

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

  ShapeFunctionPointer m_ShapeFunction;
  NodeContainerPointer m_ActiveRegion;

  FeatureImagePointer m_FeatureImage;

private:
  ShapePriorMAPCostFunctionBase(const Self &); //purposely not implemented
  void operator=(const Self &);                //purposely not implemented
};
} // end namespace itk

#ifndef ITK_MANUAL_INSTANTIATION
#include "itkShapePriorMAPCostFunctionBase.hxx"
#endif

#endif