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itkSampleClassifierFilter.h

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00001 /*=========================================================================
00002 
00003   Program:   Insight Segmentation & Registration Toolkit
00004   Module:    $RCSfile: itkSampleClassifierFilter.h,v $
00005   Language:  C++
00006   Date:      $Date: 2009-05-02 05:43:58 $
00007   Version:   $Revision: 1.1 $
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 __itkSampleClassifierFilter_h
00018 #define __itkSampleClassifierFilter_h
00019 
00020 #include <vector>
00021 
00022 #include "itkMembershipSample.h"
00023 #include "itkMembershipFunctionBase.h"
00024 #include "itkDecisionRule.h"
00025 #include "itkProcessObject.h"
00026 #include "itkSimpleDataObjectDecorator.h"
00027 
00028 namespace itk {
00029 namespace Statistics {
00030 
00040 template< class TSample >
00041 class ITK_EXPORT SampleClassifierFilter : 
00042       public ProcessObject
00043 {
00044 public:
00046   typedef SampleClassifierFilter         Self;
00047   typedef ProcessObject                  Superclass;
00048   typedef SmartPointer< Self >           Pointer;
00049   typedef SmartPointer<const Self>       ConstPointer;
00050 
00052   itkTypeMacro(SampleClassifierFilter, ProcessObject);
00053   itkNewMacro(Self);
00055 
00057   typedef TSample                        SampleType;
00058 
00060   typedef MembershipSample< SampleType >                     MembershipSampleType;
00061   typedef typename MembershipSampleType::Pointer             MembershipSampleObjectPointer; 
00062 
00064   typedef typename SampleType::MeasurementType            MeasurementType;
00065   typedef typename SampleType::MeasurementVectorType      MeasurementVectorType;
00066 
00068   typedef MembershipFunctionBase< MeasurementVectorType > MembershipFunctionType;
00069   typedef typename MembershipFunctionType::ConstPointer   MembershipFunctionPointer;
00070   typedef std::vector< MembershipFunctionPointer >        MembershipFunctionVectorType;
00071   typedef SimpleDataObjectDecorator<
00072     MembershipFunctionVectorType >                        MembershipFunctionVectorObjectType;
00073   typedef typename 
00074     MembershipFunctionVectorObjectType::Pointer           MembershipFunctionVectorObjectPointer;
00075 
00077   typedef Array< double >                                MembershipFunctionsWeightsArrayType;
00078 
00079   typedef SimpleDataObjectDecorator<
00080    MembershipFunctionsWeightsArrayType >                 MembershipFunctionsWeightsArrayObjectType;
00081   typedef typename 
00082     MembershipFunctionsWeightsArrayObjectType::Pointer   MembershipFunctionsWeightsArrayPointer;
00083 
00084   typedef unsigned long                               ClassLabelType;
00085   typedef std::vector< ClassLabelType >               ClassLabelVectorType;
00086   typedef SimpleDataObjectDecorator<
00087     ClassLabelVectorType >                            ClassLabelVectorObjectType;
00088   typedef ClassLabelVectorObjectType::Pointer         ClassLabelVectorObjectPointer;
00089 
00090 
00092   typedef DecisionRule                                DecisionRuleType;
00093   typedef DecisionRuleType::ConstPointer              DecisionRulePointer;
00094 
00096   void SetInput(const SampleType * sample);
00097   const SampleType *  GetInput() const;
00099 
00101   const MembershipSampleType * GetOutput() const;
00102 
00106   itkSetMacro( NumberOfClasses, unsigned int );
00107   itkGetConstMacro( NumberOfClasses, unsigned int );
00109 
00111   itkSetConstObjectMacro( DecisionRule, DecisionRuleType );
00112   itkGetConstObjectMacro( DecisionRule, DecisionRuleType );
00114 
00118   void SetClassLabels(const ClassLabelVectorObjectType * classLabels );
00119 
00123   void SetMembershipFunctions(const MembershipFunctionVectorObjectType * membershipFunctions );
00124 
00126   void SetMembershipFunctionsWeightsArray(const MembershipFunctionsWeightsArrayObjectType * weightsArray );
00127 
00128 
00129 protected:
00130   SampleClassifierFilter();
00131   virtual ~SampleClassifierFilter() {}
00132   void PrintSelf(std::ostream& os, Indent indent) const;
00133 
00134   SampleClassifierFilter(const Self&); //purposely not implemented
00135   void operator=(const Self&); //purposely not implemented
00136 
00137 
00139   void GenerateData();
00140 
00147   virtual DataObjectPointer MakeOutput(unsigned int idx);
00148 
00149 private:
00150  
00151   unsigned int                     m_NumberOfClasses;
00152 
00154   DecisionRulePointer              m_DecisionRule;
00155 
00156 }; // end of class
00157 
00158 
00159 } // end of namespace Statistics 
00160 } // end of namespace itk
00161 
00162 
00163 #ifndef ITK_MANUAL_INSTANTIATION
00164 #include "itkSampleClassifierFilter.txx"
00165 #endif
00166 
00167 #endif
00168 

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