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itkMutualInformationHistogramImageToImageMetric.h

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00001 /*=========================================================================
00002 
00003   Program:   Insight Segmentation & Registration Toolkit
00004   Module:    $RCSfile: itkMutualInformationHistogramImageToImageMetric.h,v $
00005   Language:  C++
00006   Date:      $Date: 2003/09/10 14:28:35 $
00007   Version:   $Revision: 1.3 $
00008 
00009   Copyright (c) Insight Software Consortium. All rights reserved.
00010   See ITKCopyright.txt or http://www.itk.org/HTML/Copyright.htm for details.
00011 
00012      This software is distributed WITHOUT ANY WARRANTY; without even 
00013      the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR 
00014      PURPOSE.  See the above copyright notices for more information.
00015 
00016 =========================================================================*/
00017 #ifndef __itkMutualInformationHistogramImageToImageMetric_h
00018 #define __itkMutualInformationHistogramImageToImageMetric_h
00019 
00020 #include "itkHistogramImageToImageMetric.h"
00021 
00022 namespace itk
00023 {
00035 template <class TFixedImage, class TMovingImage>
00036 class ITK_EXPORT MutualInformationHistogramImageToImageMetric :
00037 public HistogramImageToImageMetric<TFixedImage, TMovingImage>
00038 {
00039  public:
00041   typedef MutualInformationHistogramImageToImageMetric Self;
00042   typedef HistogramImageToImageMetric<TFixedImage, TMovingImage> Superclass;
00043   typedef SmartPointer<Self>                                     Pointer;
00044   typedef SmartPointer<const Self>                               ConstPointer;
00045 
00047   itkNewMacro(Self);
00048 
00050   itkTypeMacro(MutualInformationHistogramImageToImageMetric,
00051     HistogramImageToImageMetric);
00052 
00054   typedef typename Superclass::RealType                 RealType;
00055   typedef typename Superclass::TransformType            TransformType;
00056   typedef typename Superclass::TransformPointer         TransformPointer;
00057   typedef typename Superclass::TransformParametersType
00058     TransformParametersType;
00059   typedef typename Superclass::TransformJacobianType    TransformJacobianType;
00060   typedef typename Superclass::GradientPixelType        GradientPixelType;
00061 
00062   typedef typename Superclass::MeasureType              MeasureType;
00063   typedef typename Superclass::DerivativeType           DerivativeType;
00064   typedef typename Superclass::FixedImageType           FixedImageType;
00065   typedef typename Superclass::MovingImageType          MovingImageType;
00066   typedef typename Superclass::FixedImageConstPointer   FixedImageConstPointer;
00067   typedef typename Superclass::MovingImageConstPointer
00068     MovingImageConstPointer;
00069 
00070   typedef typename Superclass::HistogramType            HistogramType;
00071   typedef typename HistogramType::FrequencyType         HistogramFrequencyType;
00072   typedef typename HistogramType::Iterator              HistogramIteratorType;
00073   typedef typename HistogramType::MeasurementVectorType
00074     HistogramMeasurementVectorType;
00075 
00076 protected:
00079   MutualInformationHistogramImageToImageMetric(){}
00080   virtual ~MutualInformationHistogramImageToImageMetric(){}
00082 
00084   virtual MeasureType EvaluateMeasure(HistogramType& histogram) const;
00085 
00086 private:
00087   // Purposely not implemented.
00088   MutualInformationHistogramImageToImageMetric(Self const&);
00089   void operator=(Self const&); // Purposely not implemented.
00090 };
00091 
00092 } // End namespace itk.
00093 
00094 #ifndef ITK_MANUAL_INSTANTIATION
00095 #include "itkMutualInformationHistogramImageToImageMetric.txx"
00096 #endif
00097 
00098 #endif // __itkMutualInformationHistogramImageToImageMetric_h
00099 

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