00001 /*========================================================================= 00002 00003 Program: Insight Segmentation & Registration Toolkit 00004 Module: $RCSfile: itkSingleValuedVnlCostFunctionAdaptor.h,v $ 00005 Language: C++ 00006 Date: $Date: 2004/03/14 20:04:00 $ 00007 Version: $Revision: 1.4 $ 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 __itkSingleValuedVnlCostFunctionAdaptor_h 00018 #define __itkSingleValuedVnlCostFunctionAdaptor_h 00019 00020 #include "itkSingleValuedCostFunction.h" 00021 #include "vnl/vnl_cost_function.h" 00022 00023 00024 namespace itk 00025 { 00026 00036 class SingleValuedVnlCostFunctionAdaptor : 00037 public vnl_cost_function 00038 { 00039 public: 00040 00042 typedef vnl_vector<double> InternalParametersType; 00043 00045 typedef double InternalMeasureType; 00046 00048 typedef vnl_vector<double> InternalDerivativeType; 00049 00051 typedef SingleValuedCostFunction::ParametersType ParametersType; 00052 00054 typedef SingleValuedCostFunction::DerivativeType DerivativeType; 00055 00057 typedef Array<double> ScalesType; 00058 00060 SingleValuedVnlCostFunctionAdaptor(unsigned int spaceDimension); 00061 00063 void SetCostFunction( SingleValuedCostFunction * costFunction ) 00064 { m_CostFunction = costFunction; } 00065 00067 const SingleValuedCostFunction * GetCostFunction( void ) const 00068 { return m_CostFunction; } 00069 00071 virtual InternalMeasureType f( const InternalParametersType & inparameters ); 00072 00074 virtual void gradf(const InternalParametersType & inparameters, 00075 InternalDerivativeType & gradient ); 00076 00078 virtual void compute(const InternalParametersType & x, 00079 InternalMeasureType * f, 00080 InternalDerivativeType * g ); 00081 00083 void ConvertExternalToInternalGradient( 00084 const DerivativeType & input, 00085 InternalDerivativeType & output ); 00086 00088 void SetScales(const ScalesType & scales); 00089 00090 private: 00091 00092 SingleValuedCostFunction::Pointer m_CostFunction; 00093 bool m_ScalesInitialized; 00094 ScalesType m_Scales; 00095 00096 }; // end of Class CostFunction 00097 00098 00099 } // end namespace itk 00100 00101 00102 #endif 00103 00104 00105