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00017 #ifndef __itkOnePlusOneEvolutionaryOptimizer_h
00018 #define __itkOnePlusOneEvolutionaryOptimizer_h
00019
00020 #include <itkSingleValuedNonLinearOptimizer.h>
00021 #include <itkRandomVariateGeneratorBase.h>
00022
00023 namespace itk
00024 {
00025
00068 class ITK_EXPORT OnePlusOneEvolutionaryOptimizer:
00069 public SingleValuedNonLinearOptimizer
00070 {
00071 public:
00073 typedef OnePlusOneEvolutionaryOptimizer Self ;
00074 typedef SingleValuedNonLinearOptimizer Superclass;
00075 typedef SmartPointer<Self> Pointer;
00076 typedef SmartPointer<const Self> ConstPointer;
00077
00079 itkNewMacro(Self);
00080
00082 itkTypeMacro(OnePlusOneEvolutionaryOptimizer, SingleValuedNonLinearOptimizer );
00083
00085 typedef SingleValuedCostFunction CostFunctionType;
00086 typedef CostFunctionType::Pointer CostFunctionPointer;
00087
00089 typedef Statistics::RandomVariateGeneratorBase NormalVariateGeneratorType ;
00090
00092 void MaximizeOn() {m_Maximize=true;}
00093
00095 itkSetMacro( MaximumIteration, unsigned int );
00096 itkGetConstMacro( MaximumIteration, unsigned int );
00097
00099 itkSetMacro( GrowthFactor, double );
00100 itkGetConstMacro( GrowthFactor, double );
00101
00103 itkSetMacro( ShrinkFactor, double );
00104 itkGetConstMacro( ShrinkFactor, double );
00105
00107 itkSetMacro( InitialRadius, double ) ;
00108 itkGetConstMacro( InitialRadius, double );
00109
00110
00113 itkSetMacro( Epsilon, double );
00114 itkGetConstMacro( Epsilon, double );
00115
00116 void SetNormalVariateGenerator(NormalVariateGeneratorType* generator) ;
00117
00124 void Initialize(double initialRadius, double grow = -1, double shrink = -1) ;
00125
00126 MeasureType GetValue()
00127 { return m_CurrentCost ; }
00128
00129 itkGetConstMacro( CurrentIteration, unsigned int) ;
00133 void StartOptimization() ;
00134
00138 void StopOptimization()
00139 { m_Stop = true ; }
00140
00141 protected:
00142 OnePlusOneEvolutionaryOptimizer() ;
00143 OnePlusOneEvolutionaryOptimizer(const OnePlusOneEvolutionaryOptimizer&) ;
00144 virtual ~OnePlusOneEvolutionaryOptimizer() ;
00145 void PrintSelf(std::ostream& os, Indent indent) const;
00146
00147 private:
00148
00150 NormalVariateGeneratorType::Pointer m_RandomGenerator ;
00151
00153 unsigned int m_MaximumIteration ;
00154
00156 unsigned int m_CurrentIteration ;
00157
00159 bool m_Maximize;
00160
00163 double m_Epsilon ;
00164
00166 double m_InitialRadius ;
00167
00169 double m_GrowthFactor ;
00170
00172 double m_ShrinkFactor ;
00173
00175 bool m_Initialized ;
00176
00178 MeasureType m_CurrentCost;
00179
00184 bool m_Stop ;
00185 } ;
00186
00187 }
00188
00189 #endif