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itkClassifierBase.h

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00001 /*=========================================================================
00002 
00003   Program:   Insight Segmentation & Registration Toolkit
00004   Module:    $RCSfile: itkClassifierBase.h,v $
00005   Language:  C++
00006   Date:      $Date: 2008-10-23 16:15:23 $
00007   Version:   $Revision: 1.12 $
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 __itkClassifierBase_h
00018 #define __itkClassifierBase_h
00019 
00020 #include "itkLightProcessObject.h"
00021 #include "itkMembershipFunctionBase.h"
00022 #include "itkDecisionRuleBase.h"
00023 
00024 #include <vector>
00025 
00026 namespace itk
00027 {
00028 
00085 template <class TDataContainer>
00086 class ITK_EXPORT ClassifierBase : public LightProcessObject
00087 {
00088 public:
00090   typedef ClassifierBase     Self;
00091   typedef LightProcessObject Superclass;
00092 
00094   itkTypeMacro(ClassifierBase,LightProcessObject);
00095 
00097   itkSetMacro(NumberOfClasses, unsigned int);
00098 
00100   itkGetConstReferenceMacro(NumberOfClasses, unsigned int);
00101 
00103   typedef typename TDataContainer::ValueType MeasurementVectorType;
00104 
00106   typedef Statistics::MembershipFunctionBase< MeasurementVectorType > 
00107                                                    MembershipFunctionType;
00108   typedef typename MembershipFunctionType::Pointer MembershipFunctionPointer;
00109 
00110   typedef std::vector< MembershipFunctionPointer > 
00111   MembershipFunctionPointerVector;
00112 
00114   typedef DecisionRuleBase DecisionRuleType;
00115 
00119   void SetDecisionRule( DecisionRuleType* ptrToDecisionRule )
00120     {
00121     m_DecisionRule = ptrToDecisionRule;
00122     }
00123 
00125   DecisionRuleType* GetDecisionRule(void)
00126     {
00127     return m_DecisionRule.GetPointer();
00128     }
00129 
00134   const MembershipFunctionType* GetMembershipFunction(unsigned int index)const
00135     {
00136     return m_MembershipFunctions[index].GetPointer();
00137     }
00138 
00140   unsigned int GetNumberOfMembershipFunctions() 
00141     {
00142     return static_cast<unsigned int>( m_MembershipFunctions.size() );
00143     }
00144 
00146   unsigned int AddMembershipFunction(MembershipFunctionType* function);
00147 
00149   void Update();
00150 
00151 protected:
00152   ClassifierBase();
00153   ~ClassifierBase();
00154   void PrintSelf(std::ostream& os, Indent indent) const;
00155 
00158   virtual void GenerateData() = 0;
00159 
00160 private:
00161   ClassifierBase(const Self&); //purposely not implemented
00162   void operator=(const Self&); //purposely not implemented
00163 
00165   unsigned int                       m_NumberOfClasses;
00166 
00168   typename DecisionRuleType::Pointer m_DecisionRule;
00169 
00171   MembershipFunctionPointerVector    m_MembershipFunctions;
00172 
00173 }; // class Classifier
00174 
00175 
00176 } // namespace itk
00177 
00178 #ifndef ITK_MANUAL_INSTANTIATION
00179 #include "itkClassifierBase.txx"
00180 #endif
00181 
00182 #endif
00183 

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