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itkAmoebaOptimizer.h

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00001 /*=========================================================================
00002 
00003   Program:   Insight Segmentation & Registration Toolkit
00004   Module:    $RCSfile: itkAmoebaOptimizer.h,v $
00005   Language:  C++
00006   Date:      $Date: 2007-03-22 14:29:13 $
00007   Version:   $Revision: 1.25 $
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 __itkAmoebaOptimizer_h
00018 #define __itkAmoebaOptimizer_h
00019 
00020 #include "itkSingleValuedNonLinearVnlOptimizer.h"
00021 #include "vnl/algo/vnl_amoeba.h"
00022 
00023 namespace itk
00024 {
00025   
00049 class ITK_EXPORT AmoebaOptimizer : 
00050     public SingleValuedNonLinearVnlOptimizer
00051 {
00052 public:
00054   typedef AmoebaOptimizer                     Self;
00055   typedef SingleValuedNonLinearVnlOptimizer   Superclass;
00056   typedef SmartPointer<Self>                  Pointer;
00057   typedef SmartPointer<const Self>            ConstPointer;
00058 
00060   itkNewMacro(Self);
00061 
00063   itkTypeMacro( AmoebaOptimizer, SingleValuedNonLinearVnlOptimizer );
00064 
00067   typedef Superclass::ParametersType ParametersType;
00068 
00070   typedef   vnl_vector<double>     InternalParametersType;
00071 
00073   typedef   vnl_amoeba             InternalOptimizerType;
00074 
00076   vnl_amoeba * GetOptimizer(void);
00077 
00079   void StartOptimization( void );
00080 
00082   virtual void SetCostFunction( SingleValuedCostFunction * costFunction );
00083 
00087   virtual void SetMaximumNumberOfIterations( unsigned int n );
00088   itkGetMacro( MaximumNumberOfIterations, unsigned int );
00090 
00099   itkSetMacro(AutomaticInitialSimplex, bool);
00100   itkBooleanMacro(AutomaticInitialSimplex);
00101   itkGetMacro(AutomaticInitialSimplex, bool);
00103 
00106   itkSetMacro(InitialSimplexDelta, ParametersType);
00107   itkGetMacro(InitialSimplexDelta, ParametersType);
00109 
00118   virtual void SetParametersConvergenceTolerance( double tol );
00119   itkGetMacro( ParametersConvergenceTolerance, double );
00120   virtual void SetFunctionConvergenceTolerance( double tol );
00121   itkGetMacro( FunctionConvergenceTolerance, double );
00123 
00125   MeasureType GetValue() const;
00126 
00127 protected:
00128   AmoebaOptimizer();
00129   virtual ~AmoebaOptimizer();
00130   void PrintSelf(std::ostream& os, Indent indent) const;
00131 
00132   typedef Superclass::CostFunctionAdaptorType   CostFunctionAdaptorType;
00133 
00134 private:
00135   AmoebaOptimizer(const Self&); //purposely not implemented
00136   void operator=(const Self&); //purposely not implemented
00137   
00138   bool                          m_OptimizerInitialized;
00139   InternalOptimizerType       * m_VnlOptimizer;
00140   unsigned int                  m_MaximumNumberOfIterations;
00141   double                        m_ParametersConvergenceTolerance;
00142   double                        m_FunctionConvergenceTolerance;
00143 
00144   bool                          m_AutomaticInitialSimplex;
00145   ParametersType                m_InitialSimplexDelta;
00146 };
00147 
00148 } // end namespace itk
00149 
00150 #endif
00151 

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