itkJensenHavrdaCharvatTsallisPointSetToPointSetMetricv4.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
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 *  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.
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#ifndef __itkJensenHavrdaCharvatTsallisPointSetToPointSetMetricv4_h
#define __itkJensenHavrdaCharvatTsallisPointSetToPointSetMetricv4_h

#include "itkPointSetToPointSetMetricv4.h"

#include "itkManifoldParzenWindowsPointSetFunction.h"

namespace itk {

template<class TPointSet>
class ITK_EXPORT JensenHavrdaCharvatTsallisPointSetToPointSetMetricv4 :
    public PointSetToPointSetMetricv4<TPointSet, TPointSet>
{
public:
  typedef JensenHavrdaCharvatTsallisPointSetToPointSetMetricv4 Self;
  typedef PointSetToPointSetMetricv4<TPointSet, TPointSet>     Superclass;
  typedef SmartPointer<Self>                                   Pointer;
  typedef SmartPointer<const Self>                             ConstPointer;

  itkNewMacro( Self );

  itkTypeMacro( JensenHavrdaCharvatTsallisPointSetToPointSetMetricv4, PointSetToPointSetMetricv4 );

  typedef TPointSet                                 PointSetType;
  typedef typename PointSetType::PointsContainer    PointsContainer;
  typedef typename PointsContainer::ConstIterator   PointsContainerConstIterator;

  itkStaticConstMacro( PointDimension, unsigned int, TPointSet::PointDimension );

  typedef typename Superclass::MeasureType              MeasureType;
  typedef typename Superclass::DerivativeType           DerivativeType;
  typedef typename Superclass::LocalDerivativeType      LocalDerivativeType;
  typedef typename Superclass::PointType                PointType;
  typedef typename Superclass::CoordRepType             CoordRepType;
  typedef typename Superclass::PointIdentifier          PointIdentifier;
  typedef typename Superclass::NeighborsIdentifierType  NeighborsIdentifierType;

  typedef MeasureType                                   RealType;

  typedef ManifoldParzenWindowsPointSetFunction
    <PointSetType, RealType>                            DensityFunctionType;
  typedef typename DensityFunctionType::GaussianType    GaussianType;
  typedef typename DensityFunctionType::Pointer         DensityFunctionPointer;

  virtual void Initialize( void ) throw ( ExceptionObject );

  virtual MeasureType GetValue() const;

  virtual void GetDerivative( DerivativeType & ) const;

  virtual void GetValueAndDerivative( MeasureType &, DerivativeType & ) const;

  itkSetClampMacro( Alpha, RealType, 1.0, 2.0 );

  itkGetConstMacro( Alpha, RealType );

  itkSetMacro( UseRegularizationTerm, bool );

  itkGetConstMacro( UseRegularizationTerm, bool );

  itkBooleanMacro( UseRegularizationTerm );

  itkSetMacro( PointSetSigma, RealType );

  itkGetConstMacro( PointSetSigma, RealType );

  itkSetMacro( EvaluationKNeighborhood, unsigned int );

  itkGetConstMacro( EvaluationKNeighborhood, unsigned int );

  itkSetMacro( UseAnisotropicCovariances, bool );

  itkGetConstMacro( UseAnisotropicCovariances, bool );

  itkBooleanMacro( UseAnisotropicCovariances );

  itkSetMacro( CovarianceKNeighborhood, unsigned int );

  itkGetConstMacro( CovarianceKNeighborhood, unsigned int );

  itkSetMacro( KernelSigma, RealType );

  itkGetConstMacro( KernelSigma, RealType );

  virtual MeasureType GetLocalNeighborhoodValue( const PointType & ) const
  {
    itkExceptionMacro( "This function should not be accessed." );
    return 0;
  }

  virtual void GetLocalNeighborhoodValueAndDerivative( const PointType &,
    MeasureType &, LocalDerivativeType & ) const
  {
    itkExceptionMacro( "This function should not be accessed." );
  }

protected:
  JensenHavrdaCharvatTsallisPointSetToPointSetMetricv4();
  ~JensenHavrdaCharvatTsallisPointSetToPointSetMetricv4();

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

private:
  //purposely not implemented
  JensenHavrdaCharvatTsallisPointSetToPointSetMetricv4( const Self& );
  void operator=( const Self& );

  DensityFunctionPointer                   m_MovingDensityFunction;
  DensityFunctionPointer                   m_FixedDensityFunction;

  bool                                     m_UseRegularizationTerm;
  bool                                     m_UseAnisotropicCovariances;

  RealType                                 m_PointSetSigma;
  RealType                                 m_KernelSigma;
  unsigned int                             m_CovarianceKNeighborhood;
  unsigned int                             m_EvaluationKNeighborhood;

  RealType                                 m_Alpha;
};


} // end namespace itk

#ifndef ITK_MANUAL_INSTANTIATION
#include "itkJensenHavrdaCharvatTsallisPointSetToPointSetMetricv4.hxx"
#endif

#endif