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itkFRPROptimizer.h

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00001 /*=========================================================================
00002 
00003   Program:   Insight Segmentation & Registration Toolkit
00004   Module:    $RCSfile: itkFRPROptimizer.h,v $
00005   Language:  C++
00006   Date:      $Date: 2008-04-23 12:49:10 $
00007   Version:   $Revision: 1.7 $
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 __itkFRPROptimizer_h
00018 #define __itkFRPROptimizer_h
00019 
00020 #include <itkVector.h>
00021 #include <itkMatrix.h>
00022 #include <itkPowellOptimizer.h>
00023 
00024 namespace itk
00025 {
00026 
00050 class ITK_EXPORT FRPROptimizer: 
00051     public PowellOptimizer
00052 {
00053 public:
00055   typedef FRPROptimizer            Self;
00056   typedef PowellOptimizer          Superclass;
00057   typedef SmartPointer<Self>       Pointer;
00058   typedef SmartPointer<const Self> ConstPointer;
00059 
00060   typedef SingleValuedNonLinearOptimizer::ParametersType ParametersType;
00061   
00063   itkNewMacro(Self);
00064 
00066   itkTypeMacro(FRPROptimizer, PowellOptimizer );
00067 
00069   typedef  SingleValuedCostFunction         CostFunctionType;
00070   typedef  CostFunctionType::Pointer        CostFunctionPointer;
00071 
00073   itkSetMacro( UseUnitLengthGradient, bool );
00074   itkGetConstMacro( UseUnitLengthGradient, bool );
00076 
00078   void StartOptimization();
00079 
00081   void SetToFletchReeves();
00082 
00084   void SetToPolakRibiere();
00085 
00086 protected:
00087   FRPROptimizer();
00088   virtual ~FRPROptimizer(); 
00089 
00090   void PrintSelf(std::ostream& os, Indent indent) const;
00091 
00095   virtual void GetValueAndDerivative(ParametersType & p, double * val,
00096                                      ParametersType * xi);
00097 
00098   virtual void   LineOptimize(ParametersType * p, ParametersType & xi,
00099                               double * val );
00100   virtual void   LineOptimize(ParametersType * p, ParametersType & xi,
00101                               double * val,
00102                               ParametersType & tempCoord );
00103 
00104 
00105 private:
00106   FRPROptimizer(const FRPROptimizer&); // not implemented
00107 
00108   typedef enum 
00109     {
00110     FletchReeves,
00111     PolakRibiere
00112     }               OptimizationType;
00113 
00114   OptimizationType  m_OptimizationType;
00115 
00116   bool              m_UseUnitLengthGradient;
00117 
00118 }; // end of class
00119 
00120 } // end of namespace itk
00121 
00122 #endif
00123 

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