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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: 2009-03-04 15:23:49 $
00007   Version:   $Revision: 1.7 $
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 
00060   typedef typename TInputHistogram::MeasurementType       MeasurementType;
00061   typedef typename TInputHistogram::MeasurementVectorType MeasurementVectorType;
00062   typedef TInputHistogram                                 InputHistogramType;
00063 
00065   void SetObservedHistogram(InputHistogramType* histogram);
00066 
00068   InputHistogramType* GetObservedHistogram() 
00069     { return m_ObservedHistogram; }
00070 
00072   void SetExpectedHistogram(InputHistogramType* histogram);
00073 
00075   InputHistogramType* GetExpectedHistogram() 
00076     { return m_ExpectedHistogram; }
00077 
00081   itkGetMacro(UseExpectedHistogram, bool);
00082 
00083   void SetTotalObservedScale(double* scale)
00084     { 
00085     if ( m_TotalObservedScale != scale )
00086       {
00087       m_TotalObservedScale = scale;
00088       this->Modified();
00089       }
00090     }
00091 
00092   typedef double OutputType;
00093 
00094   OutputType& GetOutput()
00095     { return m_Output; }
00096 
00097 protected:
00098   GoodnessOfFitFunctionBase();
00099   virtual ~GoodnessOfFitFunctionBase(){};
00100   void PrintSelf(std::ostream& os, Indent indent) const;  
00101 
00102   itkSetMacro(UseExpectedHistogram, bool);
00103   
00104   virtual void GenerateData() {}
00105 
00106   itkGetConstReferenceMacro(Epsilon,float);
00107   itkGetConstReferenceMacro(LogEpsilon,float);
00108 
00109 private:
00110   float m_Epsilon;
00111   float m_LogEpsilon;
00112 
00113   bool m_UseExpectedHistogram;
00114 
00115   InputHistogramType* m_ObservedHistogram;
00116   InputHistogramType* m_ExpectedHistogram;
00117   
00118   double*    m_TotalObservedScale;
00119   OutputType m_Output;
00120 
00121 }; // end of class
00122 
00123 } // end of namespace Statistics 
00124 } // end of namespace itk
00125 
00126 #ifndef ITK_MANUAL_INSTANTIATION
00127 #include "itkGoodnessOfFitFunctionBase.txx"
00128 #endif
00129 
00130 #endif
00131 

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