itkMeanSquaresPointSetToImageMetric.h

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

  Program:   Insight Segmentation & Registration Toolkit
  Module:    $RCSfile: itkMeanSquaresPointSetToImageMetric.h,v $
  Language:  C++
  Date:      $Date: 2005/03/29 18:55:24 $
  Version:   $Revision: 1.20 $

  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 __itkMeanSquaresPointSetToImageMetric_h
#define __itkMeanSquaresPointSetToImageMetric_h

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


namespace itk
{

template < class TFixedPointSet, class TMovingImage > 
class ITK_EXPORT MeanSquaresPointSetToImageMetric : 
    public PointSetToImageMetric< TFixedPointSet, TMovingImage>
{
public:

  typedef MeanSquaresPointSetToImageMetric    Self;
  typedef PointSetToImageMetric<TFixedPointSet, TMovingImage >  Superclass;

  typedef SmartPointer<Self>         Pointer;
  typedef SmartPointer<const Self>   ConstPointer;

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

 
  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;


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

  MeasureType GetValue( const TransformParametersType & parameters ) const;

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

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

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

};

} // end namespace itk

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

#endif

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