00001 /*========================================================================= 00002 00003 Program: Insight Segmentation & Registration Toolkit 00004 Module: $RCSfile: itkMeanSquaredErrorFunction.h,v $ 00005 Language: C++ 00006 Date: $Date: 2009-01-24 21:33:49 $ 00007 Version: $Revision: 1.5 $ 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 __itkMeanSquaredErrorFunction_h 00018 #define __itkMeanSquaredErrorFunction_h 00019 00020 #include "itkErrorFunctionBase.h" 00021 #include "vnl/vnl_matrix.h" 00022 #include "vnl/vnl_vector.h" 00023 00024 namespace itk 00025 { 00026 namespace Statistics 00027 { 00028 00029 template<class TMeasurementVector, class ScalarType> 00030 class MeanSquaredErrorFunction : public ErrorFunctionBase<TMeasurementVector, ScalarType> 00031 { 00032 public: 00033 00035 typedef MeanSquaredErrorFunction Self; 00036 typedef ErrorFunctionBase<TMeasurementVector, ScalarType> Superclass; 00037 typedef SmartPointer<Self> Pointer; 00038 typedef SmartPointer<const Self> ConstPointer; 00039 typedef typename Superclass::ErrorVectorType ErrorVectorType; 00040 typedef typename Superclass::InternalVectorType InternalVectorType; 00041 00043 itkTypeMacro(MeanSquaredErrorFunction, FunctionBase); 00044 00046 itkNewMacro(Self); 00047 00049 virtual ScalarType Evaluate(const TMeasurementVector& Errors) const; 00050 00051 virtual InternalVectorType EvaluateDerivative(const TMeasurementVector& Errors) const; 00052 00053 protected: 00054 00055 MeanSquaredErrorFunction(); 00056 virtual ~MeanSquaredErrorFunction(); 00057 00059 virtual void PrintSelf( std::ostream& os, Indent indent ) const; 00060 }; 00061 00062 } // end namespace Statistics 00063 } // end namespace itk 00064 00065 #ifndef ITK_MANUAL_INSTANTIATION 00066 #include "itkMeanSquaredErrorFunction.txx" 00067 #endif 00068 00069 00070 #endif 00071