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itkGoodnessOfFitMixtureModelCostFunction.h

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00001 /*=========================================================================
00002 
00003   Program:   Insight Segmentation & Registration Toolkit
00004   Module:    $RCSfile: itkGoodnessOfFitMixtureModelCostFunction.h,v $
00005   Language:  C++
00006   Date:      $Date: 2002/12/07 13:22:56 $
00007   Version:   $Revision: 1.4 $
00008 
00009   Copyright (c) 2002 Insight 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 __itkGoodnessOfFitMixtureModelCostFunction_h
00018 #define __itkGoodnessOfFitMixtureModelCostFunction_h
00019 
00020 #include "itkSingleValuedCostFunction.h"
00021 #include "itkHistogram.h"
00022 #include "itkGoodnessOfFitComponentBase.h"
00023 #include "itkGoodnessOfFitFunctionBase.h"
00024 #include "itkFunctionBase.h"
00025 
00026 namespace itk{ 
00027 namespace Statistics{
00028 
00074 template< class TInputSample >
00075 class ITK_EXPORT GoodnessOfFitMixtureModelCostFunction 
00076   : public SingleValuedCostFunction 
00077 {
00078 public:
00080   typedef GoodnessOfFitMixtureModelCostFunction Self;
00081   typedef SingleValuedCostFunction Superclass;
00082   typedef SmartPointer< Self > Pointer;
00083   typedef SmartPointer< const Self > ConstPointer;
00084   
00086   itkTypeMacro(GoodnessOfFitMixtureModelCostFunction, SingleValuedCostFunction) ;
00087 
00089   itkNewMacro(Self) ;
00090 
00091   typedef TInputSample InputSampleType ;
00092   itkStaticConstMacro(MeasurementVectorSize, unsigned int, 
00093                       TInputSample::MeasurementVectorSize) ;
00094   typedef typename TInputSample::MeasurementType MeasurementType ;
00095   typedef typename TInputSample::MeasurementVectorType MeasurementVectorType ;
00096 
00099   typedef SingleValuedCostFunction::ParametersType ParamtersType ;
00100 
00103   typedef SingleValuedCostFunction::MeasureType MeasureType ;
00104 
00105   typedef GoodnessOfFitComponentBase< TInputSample > ComponentType ;
00106   typedef std::vector< ComponentType* > ComponentVectorType ;
00107 
00108   typedef GoodnessOfFitFunctionBase< typename ComponentType::HistogramType > 
00109   FunctionType ;
00110 
00112   void AddComponent(ComponentType* component) ;
00113   
00115   void SetFunction(FunctionType* core) ;
00116 
00117   FunctionType* GetFunction()
00118   { return m_Function ; }
00119 
00120   virtual unsigned int GetNumberOfParameters() const ;
00121 
00124   virtual MeasureType GetValue( const ParametersType & parameters ) const ;
00125 
00128   virtual void GetDerivative( const ParametersType &,
00129                                     DerivativeType & ) const 
00130   { /* not implemented */ }
00131 
00132 protected:
00133   GoodnessOfFitMixtureModelCostFunction() ;
00134   virtual ~GoodnessOfFitMixtureModelCostFunction() ;
00135   virtual void PrintSelf(std::ostream& os, Indent indent) const ;
00136 
00137 private:
00139   ComponentVectorType m_Components ;
00140   FunctionType* m_Function ;
00141 } ; // end of class
00142 
00143 } // end of namespace Statistics 
00144 } // end of namespace itk
00145 
00146 #ifndef ITK_MANUAL_INSTANTIATION
00147 #include "itkGoodnessOfFitMixtureModelCostFunction.txx"
00148 #endif
00149 
00150 #endif
00151 

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