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itkMeanSquaresPointSetToImageMetric.h
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itkMeanSquaresPointSetToImageMetric.h
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/*=========================================================================
Program: Insight Segmentation & Registration Toolkit
Module: itkMeanSquaresPointSetToImageMetric.h
Language: C++
Date: $Date$
Version: $Revision$
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
{
/** \class MeanSquaresPointSetToImageMetric
* \brief Computes similarity between pixel values of a point set and
* intensity values of an image.
*
* This metric computes the average squared differences between pixels
* in the point set and the transformed set of pixels.
*
* Spatial correspondance between both images is established through a
* Transform.
*
* \ingroup RegistrationMetrics
*/
template < class TFixedPointSet, class TMovingImage >
class ITK_EXPORT MeanSquaresPointSetToImageMetric :
public PointSetToImageMetric< TFixedPointSet, TMovingImage>
{
public:
/** Standard class typedefs. */
typedef MeanSquaresPointSetToImageMetric Self;
typedef PointSetToImageMetric<TFixedPointSet, TMovingImage > Superclass;
typedef SmartPointer<Self> Pointer;
typedef SmartPointer<const Self> ConstPointer;
/** Method for creation through the object factory. */
itkNewMacro(Self);
/** Run-time type information (and related methods). */
itkTypeMacro(MeanSquaresPointSetToImageMetric, Object);
/** Types transferred from the base class */
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;
/** Get the derivatives of the match measure. */
void GetDerivative( const TransformParametersType & parameters,
DerivativeType & Derivative ) const;
/** Get the value for single valued optimizers. */
MeasureType GetValue( const TransformParametersType & parameters ) const;
/** Get value and derivatives for multiple valued optimizers. */
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