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itkMaximumRatioDecisionRule.h

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00001 /*=========================================================================
00002 
00003   Program:   Insight Segmentation & Registration Toolkit
00004   Module:    $RCSfile: itkMaximumRatioDecisionRule.h,v $
00005   Language:  C++
00006   Date:      $Date: 2009-02-05 22:04:04 $
00007   Version:   $Revision: 1.11 $
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 __itkMaximumRatioDecisionRule_h
00018 #define __itkMaximumRatioDecisionRule_h
00019 
00020 #include "itkWin32Header.h"
00021 
00022 #include <vector>
00023 #include "vnl/vnl_matrix.h"
00024 
00025 #include "itkNumericTraits.h"
00026 #include "itkDecisionRuleBase.h"
00027 
00028 namespace itk {
00029 
00044 class ITKCommon_EXPORT MaximumRatioDecisionRule : 
00045     public DecisionRuleBase
00046 {
00047 public:
00049   typedef MaximumRatioDecisionRule Self;
00050   typedef DecisionRuleBase         Superclass;
00051   typedef SmartPointer<Self>       Pointer;
00052 
00054   itkTypeMacro(MaximumRatioDecisionRule, DecisionRuleBase);
00055 
00057   itkNewMacro(Self);
00058 
00059   typedef float                           APrioriValueType;
00060   typedef std::vector< APrioriValueType > APrioriVectorType;
00061   typedef APrioriVectorType::size_type    APrioriVectorSizeType;
00062 
00063 
00065   typedef Superclass::VectorType  VectorType;
00066   typedef Superclass::ArrayType   ArrayType;
00067 
00068 
00073   virtual unsigned int Evaluate( const VectorType &discriminantScores) const;
00074 
00079   virtual unsigned int Evaluate( const ArrayType &discriminantScores) const;
00080 
00081 
00083   void SetAPriori(APrioriVectorType& values);
00084 
00085 protected:
00086   MaximumRatioDecisionRule();
00087   virtual ~MaximumRatioDecisionRule() {}
00088   
00089 private:
00090   MaximumRatioDecisionRule(const Self&); //purposely not implemented
00091   void operator=(const Self&); //purposely not implemented
00092 
00094   APrioriVectorSizeType m_NumberOfClasses;
00095 
00097   vnl_matrix< double > m_APrioriRatioMatrix;
00098 }; // end of class
00099 
00100 } // end of namespace
00101 #endif
00102 

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