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itkErrorBackPropagationLearningWithMomentum.h

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00001 /*=========================================================================
00002 
00003   Program:   Insight Segmentation & Registration Toolkit
00004   Module:    $RCSfile: itkErrorBackPropagationLearningWithMomentum.h,v $
00005   Language:  C++
00006   Date:      $Date: 2007-09-03 21:17:59 $
00007   Version:   $Revision: 1.3 $
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 
00026 #ifndef __itkErrorBackPropagationLearningWithMomentum_h
00027 #define __itkErrorBackPropagationLearningWithMomentum_h
00028 
00029 #include <iostream>
00030 #include "itkLightProcessObject.h"
00031 #include "itkLearningFunctionBase.h"
00032 
00033 namespace itk
00034 {
00035 namespace Statistics
00036 {
00037 
00038 template<class LayerType, class TTargetVector>
00039 class ErrorBackPropagationLearningWithMomentum : public LearningFunctionBase<typename LayerType::LayerInterfaceType, TTargetVector>
00040 {
00041 public:
00042 
00043   typedef ErrorBackPropagationLearningWithMomentum Self;
00044   typedef LearningFunctionBase<typename LayerType::LayerInterfaceType, TTargetVector> Superclass;
00045   typedef SmartPointer<Self> Pointer;
00046   typedef SmartPointer<const Self> ConstPointer;
00047 
00049   itkTypeMacro(ErrorBackPropagationLearningWithMomentum, LearningFunctionBase);
00050 
00052   itkNewMacro(Self);
00053 
00054   typedef typename Superclass::ValueType           ValueType;
00055   typedef typename LayerType::LayerInterfaceType   LayerInterfaceType;
00056 
00057   virtual void Learn( LayerInterfaceType * layer, ValueType learningrate );
00058   virtual void Learn( LayerInterfaceType * layer, TTargetVector errors, ValueType learningrate );
00059 
00060 
00061 protected:
00062   ErrorBackPropagationLearningWithMomentum();
00063   virtual ~ErrorBackPropagationLearningWithMomentum() {};
00064 
00065   virtual void PrintSelf( std::ostream& os, Indent indent ) const;
00066 
00067   ValueType m_Momentum;
00068 };
00069 
00070 } // end namespace Statistics
00071 } // end namespace itk
00072 
00073 #ifndef ITK_MANUAL_INSTANTIATION
00074   #include "itkErrorBackPropagationLearningWithMomentum.txx"
00075 #endif
00076 
00077 #endif
00078 

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