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itkKullbackLeiblerCompareHistogramImageToImageMetric.h

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00001 /*=========================================================================
00002 
00003   Program:   Insight Segmentation & Registration Toolkit
00004   Module:    $RCSfile: itkKullbackLeiblerCompareHistogramImageToImageMetric.h,v $
00005   Language:  C++
00006   Date:      $Date: 2006/03/19 04:36:54 $
00007   Version:   $Revision: 1.5 $
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 __itkKullbackLeiblerCompareHistogramImageToImageMetric_h
00018 #define __itkKullbackLeiblerCompareHistogramImageToImageMetric_h
00019 
00020 #include "itkCompareHistogramImageToImageMetric.h"
00021 
00022 namespace itk
00023 {
00069 template <class TFixedImage, class TMovingImage>
00070 class ITK_EXPORT KullbackLeiblerCompareHistogramImageToImageMetric :
00071 public CompareHistogramImageToImageMetric<TFixedImage, TMovingImage>
00072 {
00073  public:
00075   typedef KullbackLeiblerCompareHistogramImageToImageMetric Self;
00076   typedef CompareHistogramImageToImageMetric<TFixedImage, TMovingImage> Superclass;
00077   typedef SmartPointer<Self>                                     Pointer;
00078   typedef SmartPointer<const Self>                               ConstPointer;
00079 
00081   itkNewMacro(Self);
00082 
00084   itkTypeMacro(KullbackLeiblerCompareHistogramImageToImageMetric,
00085     HistogramImageToImageMetric);
00086 
00088   typedef typename Superclass::RealType                 RealType;
00089   typedef typename Superclass::TransformType            TransformType;
00090   typedef typename Superclass::TransformPointer         TransformPointer;
00091   typedef typename Superclass::ConstPointer             TransformConstPointer;
00092   typedef typename Superclass::TransformParametersType
00093     TransformParametersType;
00094   typedef typename Superclass::TransformJacobianType    TransformJacobianType;
00095   typedef typename Superclass::GradientPixelType        GradientPixelType;
00096 
00097   typedef typename Superclass::MeasureType              MeasureType;
00098   typedef typename Superclass::DerivativeType           DerivativeType;
00099   typedef typename Superclass::FixedImageType           FixedImageType;
00100   typedef typename Superclass::MovingImageType          MovingImageType;
00101   typedef typename Superclass::FixedImageConstPointer   FixedImageConstPointer;
00102   typedef typename Superclass::MovingImageConstPointer
00103     MovingImageConstPointer;
00104 
00105   typedef typename Superclass::HistogramType            HistogramType;
00106   typedef typename Superclass::HistogramSizeType        HistogramSizeType;
00107   typedef typename Superclass::MeasurementVectorType
00108     HistogramMeasurementVectorType;
00109 
00110   typedef typename Superclass::HistogramFrequencyType   HistogramFrequencyType;
00111   typedef typename Superclass::HistogramIteratorType    HistogramIteratorType;
00112   typedef typename Superclass::HistogramPointerType     HistogramPointerType;
00113   typedef typename Superclass::InterpolatorType         InterpolatorType;
00114   typedef typename Superclass::InterpolatorPointer      InterpolatorPointer;
00115 
00117   itkSetMacro( Epsilon, double );
00118 
00120   itkGetConstReferenceMacro( Epsilon, double );
00121 
00123   unsigned int GetNumberOfParameters(void) const 
00124   { return this->GetTransform()->GetNumberOfParameters(); }
00125 
00129   void Initialize() throw (ExceptionObject);
00130 
00131 protected:
00134   KullbackLeiblerCompareHistogramImageToImageMetric();
00135   virtual ~KullbackLeiblerCompareHistogramImageToImageMetric(){}
00136   void PrintSelf(std::ostream& os, Indent indent) const;
00138 
00140   void FormTrainingHistogram() throw (ExceptionObject);
00141 
00143   virtual MeasureType EvaluateMeasure(HistogramType& histogram) const;
00144 
00145   double                  m_Epsilon;
00146 
00147 private:
00148   // Purposely not implemented.
00149   KullbackLeiblerCompareHistogramImageToImageMetric(Self const&);
00150   void operator=(Self const&); // Purposely not implemented.
00151 };
00152 
00153 } // End namespace itk.
00154 
00155 #ifndef ITK_MANUAL_INSTANTIATION
00156 #include "itkKullbackLeiblerCompareHistogramImageToImageMetric.txx"
00157 #endif
00158 
00159 #endif // __itkKullbackLeiblerCompareHistogramImageToImageMetric_h
00160 

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