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itkGoodnessOfFitFunctionBase.h

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00001 /*=========================================================================
00002 
00003   Program:   Insight Segmentation & Registration Toolkit
00004   Module:    $RCSfile: itkGoodnessOfFitFunctionBase.h,v $
00005   Language:  C++
00006   Date:      $Date: 2004/11/04 20:40:41 $
00007   Version:   $Revision: 1.6 $
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 __itkGoodnessOfFitFunctionBase_h
00018 #define __itkGoodnessOfFitFunctionBase_h
00019 
00020 #include "itkSampleAlgorithmBase.h"
00021 #include "itkFunctionBase.h"
00022 #include "itkGoodnessOfFitComponentBase.h"
00023 
00024 namespace itk{ 
00025 namespace Statistics{
00026 
00038 template< class TInputHistogram >
00039 class GoodnessOfFitFunctionBase 
00040   : public SampleAlgorithmBase< TInputHistogram > 
00041 {
00042 public:
00044   typedef GoodnessOfFitFunctionBase Self;
00045   typedef SampleAlgorithmBase< TInputHistogram > Superclass;
00046   typedef SmartPointer< Self > Pointer;
00047   typedef SmartPointer< const Self > ConstPointer;
00048   
00050   itkTypeMacro(GoodnessOfFitFunctionBase, 
00051                SampleAlgorithimBase) ;
00052   
00054   itkNewMacro(Self) ;
00055 
00057   itkStaticConstMacro(MeasurementVectorSize, unsigned int, 
00058                       TInputHistogram::MeasurementVectorSize) ;
00059   typedef typename TInputHistogram::MeasurementType MeasurementType ;
00060   typedef typename TInputHistogram::MeasurementVectorType MeasurementVectorType ;
00061   typedef TInputHistogram InputHistogramType ;
00062 
00064   void SetObservedHistogram(InputHistogramType* histogram) ;
00065 
00067   InputHistogramType* GetObservedHistogram() 
00068   { return m_ObservedHistogram ; }
00069 
00071   void SetExpectedHistogram(InputHistogramType* histogram) ;
00072 
00074   InputHistogramType* GetExpectedHistogram() 
00075   { return m_ExpectedHistogram ; }
00076 
00080   itkGetMacro(UseExpectedHistogram, bool) ;
00081 
00082   void SetTotalObservedScale(double* scale)
00083   { 
00084     if ( m_TotalObservedScale != scale )
00085       {
00086         m_TotalObservedScale = scale ;
00087         this->Modified() ;
00088       }
00089   }
00090 
00091   typedef double OutputType ;
00092 
00093   OutputType& GetOutput()
00094   { return m_Output ; }
00095 
00096 protected:
00097   GoodnessOfFitFunctionBase() ;
00098   virtual ~GoodnessOfFitFunctionBase(){} ;
00099   void PrintSelf(std::ostream& os, Indent indent) const;  
00100 
00101   itkSetMacro(UseExpectedHistogram, bool) ;
00102   
00103   virtual void GenerateData() {}
00104 
00105   itkGetConstReferenceMacro(Epsilon,float);
00106   itkGetConstReferenceMacro(LogEpsilon,float);
00107 
00108 private:
00109   float m_Epsilon ;
00110   float m_LogEpsilon ;
00111 
00112   bool m_UseExpectedHistogram ;
00113 
00114   InputHistogramType* m_ObservedHistogram ;
00115   InputHistogramType* m_ExpectedHistogram ;
00116   
00117   double* m_TotalObservedScale ;
00118   OutputType m_Output ;
00119 
00120 } ; // end of class
00121 
00122 } // end of namespace Statistics 
00123 } // end of namespace itk
00124 
00125 #ifndef ITK_MANUAL_INSTANTIATION
00126 #include "itkGoodnessOfFitFunctionBase.txx"
00127 #endif
00128 
00129 #endif
00130 

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