itkNormalizedCorrelationPointSetToImageMetric.h

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

  Program:   Insight Segmentation & Registration Toolkit
  Module:    $RCSfile: itkNormalizedCorrelationPointSetToImageMetric.h,v $
  Language:  C++
  Date:      $Date: 2009-01-26 21:45:54 $
  Version:   $Revision: 1.24 $

  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 __itkNormalizedCorrelationPointSetToImageMetric_h
#define __itkNormalizedCorrelationPointSetToImageMetric_h

#include "itkPointSetToImageMetric.h"
#include "itkCovariantVector.h"
#include "itkPoint.h"


namespace itk
{
template < class TFixedPointSet, class TMovingImage > 
class ITK_EXPORT NormalizedCorrelationPointSetToImageMetric : 
    public PointSetToImageMetric< TFixedPointSet, TMovingImage>
{
public:

  typedef NormalizedCorrelationPointSetToImageMetric            Self;
  typedef PointSetToImageMetric<TFixedPointSet, TMovingImage >  Superclass;
  typedef SmartPointer<Self>                                    Pointer;
  typedef SmartPointer<const Self>                              ConstPointer;

  itkNewMacro(Self);

  itkTypeMacro(NormalizedCorrelationPointSetToImageMetric, 
                                    PointSetToImageMetric);

 
  typedef typename Superclass::RealType                   RealType;
  typedef typename Superclass::TransformType              TransformType;
  typedef typename Superclass::TransformPointer           TransformPointer;
  typedef typename Superclass::TransformParametersType    TransformParametersType;
  typedef typename Superclass::TransformJacobianType      TransformJacobianType;
  typedef typename Superclass::GradientPixelType          GradientPixelType;

  typedef typename Superclass::MeasureType                MeasureType;
  typedef typename Superclass::DerivativeType             DerivativeType;
  typedef typename Superclass::FixedPointSetType          FixedPointSetType;
  typedef typename Superclass::MovingImageType            MovingImageType;
  typedef typename Superclass::FixedPointSetConstPointer  FixedPointSetConstPointer;
  typedef typename Superclass::MovingImageConstPointer    MovingImageConstPointer;

  typedef typename Superclass::PointIterator              PointIterator;
  typedef typename Superclass::PointDataIterator          PointDataIterator;
  typedef typename Superclass::InputPointType             InputPointType;
  typedef typename Superclass::OutputPointType            OutputPointType;


  void GetDerivative( const TransformParametersType & parameters,
                      DerivativeType & Derivative ) const;

  MeasureType GetValue( const TransformParametersType & parameters ) const;

  void GetValueAndDerivative( const TransformParametersType & parameters,
                              MeasureType& Value, DerivativeType& Derivative ) const;

  itkSetMacro( SubtractMean, bool );
  itkGetConstReferenceMacro( SubtractMean, bool );
  itkBooleanMacro( SubtractMean );

protected:
  NormalizedCorrelationPointSetToImageMetric();
  virtual ~NormalizedCorrelationPointSetToImageMetric() {};
  void PrintSelf(std::ostream& os, Indent indent) const;

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

  bool    m_SubtractMean;

};

} // end namespace itk

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

#endif