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itkMeanSquaredErrorFunction.h

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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 

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