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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: 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 __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 
00079 template< class TInputSample >
00080 class ITK_EXPORT GoodnessOfFitMixtureModelCostFunction 
00081   : public SingleValuedCostFunction 
00082 {
00083 public:
00085   typedef GoodnessOfFitMixtureModelCostFunction Self;
00086   typedef SingleValuedCostFunction              Superclass;
00087   typedef SmartPointer< Self >                  Pointer;
00088   typedef SmartPointer< const Self >            ConstPointer;
00089 
00091   itkTypeMacro(GoodnessOfFitMixtureModelCostFunction, SingleValuedCostFunction);
00092 
00094   itkNewMacro(Self);
00095 
00096   typedef TInputSample                                     InputSampleType;
00097   typedef typename TInputSample::MeasurementType           MeasurementType;
00098   typedef typename TInputSample::MeasurementVectorType     MeasurementVectorType;
00099   typedef typename TInputSample::MeasurementVectorSizeType MeasurementVectorSizeType;
00100 
00103   typedef SingleValuedCostFunction::ParametersType ParamtersType;
00104 
00107   typedef SingleValuedCostFunction::MeasureType MeasureType;
00108 
00109   typedef GoodnessOfFitComponentBase< TInputSample > ComponentType;
00110   typedef std::vector< ComponentType* >              ComponentVectorType;
00111 
00112   typedef GoodnessOfFitFunctionBase< typename ComponentType::HistogramType > 
00113   FunctionType;
00114 
00116   void AddComponent(ComponentType* component);
00117 
00119   void SetFunction(FunctionType* core);
00120 
00121   FunctionType* GetFunction()
00122     { return m_Function; }
00123 
00124   virtual unsigned int GetNumberOfParameters() const;
00125 
00128   virtual MeasureType GetValue( const ParametersType & parameters ) const;
00129 
00132   virtual void GetDerivative( const ParametersType &,
00133                                     DerivativeType & ) const {}
00134 
00135 protected:
00136   GoodnessOfFitMixtureModelCostFunction();
00137   virtual ~GoodnessOfFitMixtureModelCostFunction();
00138   virtual void PrintSelf(std::ostream& os, Indent indent) const;
00139 
00140 private:
00142   ComponentVectorType m_Components;
00143   FunctionType*       m_Function;
00144 }; // end of class
00145 
00146 } // end of namespace Statistics 
00147 } // end of namespace itk
00148 
00149 #ifndef ITK_MANUAL_INSTANTIATION
00150 #include "itkGoodnessOfFitMixtureModelCostFunction.txx"
00151 #endif
00152 
00153 #endif
00154 

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