itkNormalizedCorrelationPointSetToImageMetric.h

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

  Program:   Insight Segmentation & Registration Toolkit
  Module:    $RCSfile: itkNormalizedCorrelationPointSetToImageMetric.h,v $
  Language:  C++
  Date:      $Date: 2003/01/16 13:46:44 $
  Version:   $Revision: 1.15 $

  Copyright (c) 2002 Insight 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 __itkNormalizedCorrelationPointSetToImageMetric_h
#define __itkNormalizedCorrelationPointSetToImageMetric_h

#include "itkSimilarityRegistrationMetric.h"
#include "itkCovariantVector.h"
#include "itkPoint.h"


namespace itk
{
  
template < class TTarget, class TMapper > 
class ITK_EXPORT NormalizedCorrelationPointSetToImageMetric : 
public SimilarityRegistrationMetric< TTarget, TMapper, double,
                                     CovariantVector<double, TMapper::SpaceDimension > >

{
public:
  itkStaticConstMacro(SpaceDimension, unsigned int,
                      TMapper::SpaceDimension);
  itkStaticConstMacro(RangeDimension, unsigned int, 9);

  typedef NormalizedCorrelationPointSetToImageMetric  Self;
  typedef double              MeasureType;
  typedef CovariantVector<MeasureType,itkGetStaticConstMacro(SpaceDimension) >  DerivativeType;

  typedef SimilarityRegistrationMetric< TTarget, TMapper,
                       MeasureType,DerivativeType >  Superclass;
  typedef SmartPointer<Self>   Pointer;
  typedef SmartPointer<const Self>  ConstPointer;

  itkNewMacro(Self);
 
  itkTypeMacro(NormalizedCorrelationPointSetToImageMetric, Object);

  typedef TMapper             MapperType;
  
  typedef typename MapperType::DomainType     ReferenceType;

  typedef TTarget             TargetType;

  typedef typename ReferenceType::ConstPointer         ReferenceConstPointer;

  typedef typename TargetType::ConstPointer            TargetConstPointer;

  typedef typename MapperType::Pointer            MapperPointer;

  typedef typename  TMapper::ParametersType       ParametersType;

  const DerivativeType & GetDerivative( const ParametersType & parameters );

  MeasureType    GetValue( const ParametersType & parameters );

   void GetValueAndDerivative( const ParametersType & parameters,
                               MeasureType& Value, DerivativeType& Derivative);
 
protected:
  NormalizedCorrelationPointSetToImageMetric();
  virtual ~NormalizedCorrelationPointSetToImageMetric() {};

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

} // end namespace itk

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

#endif

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