ITK  4.1.0
Insight Segmentation and Registration Toolkit
itkMaximumRatioDecisionRule.h
Go to the documentation of this file.
00001 /*=========================================================================
00002  *
00003  *  Copyright Insight Software Consortium
00004  *
00005  *  Licensed under the Apache License, Version 2.0 (the "License");
00006  *  you may not use this file except in compliance with the License.
00007  *  You may obtain a copy of the License at
00008  *
00009  *         http://www.apache.org/licenses/LICENSE-2.0.txt
00010  *
00011  *  Unless required by applicable law or agreed to in writing, software
00012  *  distributed under the License is distributed on an "AS IS" BASIS,
00013  *  WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
00014  *  See the License for the specific language governing permissions and
00015  *  limitations under the License.
00016  *
00017  *=========================================================================*/
00018 #ifndef __itkMaximumRatioDecisionRule_h
00019 #define __itkMaximumRatioDecisionRule_h
00020 
00021 #include <vector>
00022 #include "vnl/vnl_matrix.h"
00023 
00024 #include "itkNumericTraits.h"
00025 #include "itkDecisionRule.h"
00026 
00027 namespace itk
00028 {
00029 namespace Statistics
00030 {
00057 class ITK_EXPORT MaximumRatioDecisionRule : public DecisionRule
00058 {
00059 public:
00061   typedef MaximumRatioDecisionRule  Self;
00062   typedef DecisionRule              Superclass;
00063   typedef SmartPointer< Self >      Pointer;
00064 
00066   itkTypeMacro(MaximumRatioDecisionRule, DecisionRule);
00067 
00069   itkNewMacro(Self);
00070 
00072   typedef Superclass::MembershipValueType  MembershipValueType;
00073   typedef Superclass::MembershipVectorType MembershipVectorType;
00074 
00076   typedef Superclass::ClassIdentifierType ClassIdentifierType;
00077 
00079   typedef MembershipValueType                      PriorProbabilityValueType;
00080   typedef std::vector< PriorProbabilityValueType > PriorProbabilityVectorType;
00081   typedef PriorProbabilityVectorType::size_type    PriorProbabilityVectorSizeType;
00082 
00090   virtual ClassIdentifierType Evaluate(const MembershipVectorType & discriminantScores) const;
00091 
00096   void SetPriorProbabilities(const PriorProbabilityVectorType& p);
00097 
00099   itkGetConstReferenceMacro(PriorProbabilities, PriorProbabilityVectorType);
00100 
00101 protected:
00102   MaximumRatioDecisionRule();
00103   virtual ~MaximumRatioDecisionRule() {}
00104   void PrintSelf(std::ostream & os, Indent indent) const;
00105 
00106 private:
00107   MaximumRatioDecisionRule(const Self &); //purposely not implemented
00108   void operator=(const Self &);            //purposely not implemented
00109 
00110   PriorProbabilityVectorType m_PriorProbabilities;
00111 
00112 };  // end of class
00113 } // end of Statistics namespace
00114 } // end of ITK namespace
00115 #endif
00116