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itkOnePlusOneEvolutionaryOptimizer.h

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00001 /*=========================================================================
00002 
00003   Program:   Insight Segmentation & Registration Toolkit
00004   Module:    $RCSfile: itkOnePlusOneEvolutionaryOptimizer.h,v $
00005   Language:  C++
00006   Date:      $Date: 2003/09/10 14:29:38 $
00007   Version:   $Revision: 1.18 $
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 __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 } ; // end of class
00186 
00187 } // end of namespace itk
00188 
00189 #endif

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