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itkNeuralNetworkObject.h

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00001 /*=========================================================================
00002 
00003   Program:   Insight Segmentation & Registration Toolkit
00004   Module:    $RCSfile: itkNeuralNetworkObject.h,v $
00005   Language:  C++
00006   Date:      $Date: 2006/04/17 19:34:45 $
00007   Version:   $Revision: 1.2 $
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 
00018 #ifndef __NeuralNetworkObject_h
00019 #define __NeuralNetworkObject_h
00020 
00021 #include "itkDataObject.h"
00022 #include "itkLayerBase.h"
00023 #include "itkWeightSetBase.h"
00024 #include "itkLearningFunctionBase.h"
00025 
00026 namespace itk
00027 {
00028 namespace Statistics
00029 {
00030 template<class TVector, class TOutput>
00031 class NeuralNetworkObject : public DataObject
00032 {
00033 public:
00034 
00035   typedef NeuralNetworkObject Self;
00036   typedef DataObject Superclass;
00037   typedef SmartPointer<Self> Pointer;
00038   typedef SmartPointer<const Self> ConstPointer;
00039   itkTypeMacro(NeuralNetworkObject, DataObject);
00040 
00041   typedef typename TVector::ValueType ValueType;
00042   typedef TOutput TargetVectorType;
00043   typedef Array<ValueType> NetworkOutputType;
00044  
00045   typedef WeightSetBase<TVector, TOutput> WeightSetType;
00046   typedef LayerBase<TVector, TOutput> LayerType;
00047   typedef typename LayerType::Pointer LayerPointer;
00048   typedef typename WeightSetType::Pointer WeightSetPointer;
00049   typedef LearningFunctionBase<LayerType, TOutput> LearningFunctionType;
00050   typedef typename LearningFunctionType::Pointer LearningFunctionPointer;
00051 
00052   //virtual ValueType* GenerateOutput(TVector samplevector) = 0;
00053   virtual NetworkOutputType GenerateOutput(TVector samplevector)=0;
00054 
00055   //virtual void BackwardPropagate(TOutput errors) = 0;
00056   virtual void BackwardPropagate(NetworkOutputType errors) = 0;
00057   virtual void UpdateWeights(ValueType) = 0;
00058 
00059 protected:
00060 
00061   NeuralNetworkObject();
00062   ~NeuralNetworkObject();
00063   
00065   virtual void PrintSelf( std::ostream& os, Indent indent ) const;
00066 
00067   ValueType m_LearningRate;
00068   
00069 };
00070 
00071 } // end namespace Statistics
00072 } // end namespace itk
00073 
00074 #ifndef ITK_MANUAL_INSTANTIATION
00075   #include "itkNeuralNetworkObject.txx"
00076 #endif
00077 
00078 #endif
00079 

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