gmpFemNeuralNetwork.h

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/************************************************************************
**
** Copyright (C) 2014 by Carlos Augusto Teixera Mendes
** All rights reserved.
**
** This file is part of the "GeMA" software. It's use should respect
** the terms in the license agreement that can be found together
** with this source code.
** It is provided AS IS, with NO WARRANTY OF ANY KIND,
** INCLUDING THE WARRANTY OF DESIGN, MERCHANTABILITY AND FITNESS FOR
** A PARTICULAR PURPOSE.
**
************************************************************************/

#ifndef _GEMA_PLUGIN_FEM_NEURAL_NETWORK_H_
#define _GEMA_PLUGIN_FEM_NEURAL_NETWORK_H_

#include "gmpFemProcessConfig.h"
#include <assert.h>
#include <gmLog.h>
#include <QList>
#include "gmVector.h"
#include "gmMatrix.h"

class GMP_FEM_PROCESS_API_EXPORT GmpFemNeuralNetwork
{
public:
  GmpFemNeuralNetwork(const GmLogCategory& logger);
 
  virtual ~GmpFemNeuralNetwork();

  bool loadNetArchitecture(LuaTable& table);

  bool loadNetWeights(LuaTable& table);

  bool loadNetBias(LuaTable& table);

  bool loadNetInputSettings(LuaTable& table);

  bool loadNetOutputSettings(LuaTable& table);

  GmMatrix* readNetWeight(int i) { return &_netWeights[i]; }

  bool predict(GmVector& x, GmVector& y);

  bool normalization(GmVector& x, GmVector& xn);

  bool inverseNormalization(GmVector& x, GmVector& xn);

  GmVector tanh(GmVector& x);

  GmVector logsig(GmVector& x);

  int stringOptionIndex(QString value, const char** optionNames);

private:
  const char** activationFcnOptions();
  GmVector           _netConf;          
  GmMatrix           _inputsettings;    
  GmMatrix           _outputSettings;   
  QList<QString>     _activationFcn;    
  QList<GmVector>    _netBias;          
  QList<GmMatrix>    _netWeights;       

  const GmLogCategory& _logger;    
  
};

#endif