BayesianBiaser.C

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00001 /*!@file ObjRec/BayesianBiaser.C */
00002 
00003 // //////////////////////////////////////////////////////////////////// //
00004 // The iLab Neuromorphic Vision C++ Toolkit - Copyright (C) 2000-2005   //
00005 // by the University of Southern California (USC) and the iLab at USC.  //
00006 // See http://iLab.usc.edu for information about this project.          //
00007 // //////////////////////////////////////////////////////////////////// //
00008 // Major portions of the iLab Neuromorphic Vision Toolkit are protected //
00009 // under the U.S. patent ``Computation of Intrinsic Perceptual Saliency //
00010 // in Visual Environments, and Applications'' by Christof Koch and      //
00011 // Laurent Itti, California Institute of Technology, 2001 (patent       //
00012 // pending; application number 09/912,225 filed July 23, 2001; see      //
00013 // http://pair.uspto.gov/cgi-bin/final/home.pl for current status).     //
00014 // //////////////////////////////////////////////////////////////////// //
00015 // This file is part of the iLab Neuromorphic Vision C++ Toolkit.       //
00016 //                                                                      //
00017 // The iLab Neuromorphic Vision C++ Toolkit is free software; you can   //
00018 // redistribute it and/or modify it under the terms of the GNU General  //
00019 // Public License as published by the Free Software Foundation; either  //
00020 // version 2 of the License, or (at your option) any later version.     //
00021 //                                                                      //
00022 // The iLab Neuromorphic Vision C++ Toolkit is distributed in the hope  //
00023 // that it will be useful, but WITHOUT ANY WARRANTY; without even the   //
00024 // implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR      //
00025 // PURPOSE.  See the GNU General Public License for more details.       //
00026 //                                                                      //
00027 // You should have received a copy of the GNU General Public License    //
00028 // along with the iLab Neuromorphic Vision C++ Toolkit; if not, write   //
00029 // to the Free Software Foundation, Inc., 59 Temple Place, Suite 330,   //
00030 // Boston, MA 02111-1307 USA.                                           //
00031 // //////////////////////////////////////////////////////////////////// //
00032 //
00033 // Primary maintainer for this file:
00034 // $HeadURL: svn://isvn.usc.edu/software/invt/trunk/saliency/src/ObjRec/BayesianBiaser.C $
00035 // $Id: BayesianBiaser.C 10794 2009-02-08 06:21:09Z itti $
00036 //
00037 
00038 #ifndef OBJREC_BAYESIANBIASER_C_DEFINED
00039 #define OBJREC_BAYESIANBIASER_C_DEFINED
00040 
00041 #include "ObjRec/BayesianBiaser.H"
00042 
00043 #include "Channels/ComplexChannel.H"
00044 #include "Channels/SingleChannel.H"
00045 
00046 // ######################################################################
00047 BayesianBiaser::BayesianBiaser(Bayes& b,
00048                                const int target_class_id,
00049                                const int distractor_class_id,
00050                                const bool dobias)
00051   :
00052   itsBayesNetwork(b),
00053   itsClassT(target_class_id),
00054   itsClassD(distractor_class_id),
00055   itsDoBias(dobias),
00056   itsIndex(0)
00057 {}
00058 
00059 // ######################################################################
00060 BayesianBiaser::~BayesianBiaser() {}
00061 
00062 // ######################################################################
00063 void BayesianBiaser::visitChannelBase(ChannelBase& chan)
00064 {
00065   LFATAL("don't know how to handle %s", chan.tagName().c_str());
00066 }
00067 
00068 // ######################################################################
00069 void BayesianBiaser::visitSingleChannel(SingleChannel& chan)
00070 {
00071 
00072   LFATAL("This is being reworked...");
00073   /*
00074   for (uint i = 0; i < chan.numSubmaps(); ++i)
00075     {
00076       if (itsDoBias)
00077         {
00078           if (itsClassT != -1)
00079             {
00080               const double mean =
00081                 itsBayesNetwork.getMean(itsClassT, itsIndex);
00082               const double stdevSq =
00083                 itsBayesNetwork.getStdevSq(itsClassT, itsIndex);
00084 
00085               chan.setMean(i, mean);
00086               chan.setSigmaSq(i, stdevSq);
00087             }
00088           if (itsClassD != -1)
00089             {
00090               const double mean =
00091                 itsBayesNetwork.getMean(itsClassD, itsIndex);
00092               const double stdevSq =
00093                 itsBayesNetwork.getStdevSq(itsClassD, itsIndex);
00094 
00095               chan.setDMean(i, mean);
00096               chan.setDSigmaSq(i, stdevSq);
00097             }
00098         }
00099       else
00100         {
00101           chan.setMean(i, 0.0F);
00102           chan.setSigmaSq(i, 0.0F);
00103         }
00104 
00105       ++itsIndex;
00106     }
00107   */
00108   //Install the submapAlg
00109   nub::ref<SubmapAlgorithmBiased>
00110     algo(new SubmapAlgorithmBiased(chan.getManager()));
00111   chan.setSubmapAlgorithm(algo);
00112 
00113 }
00114 
00115 // ######################################################################
00116 void BayesianBiaser::visitComplexChannel(ComplexChannel& chan)
00117 {
00118   for (uint i = 0; i < chan.numChans(); ++i)
00119     chan.subChan(i)->accept(*this);
00120 }
00121 
00122 // ######################################################################
00123 /* So things look consistent in everyone's emacs... */
00124 /* Local Variables: */
00125 /* mode: c++ */
00126 /* indent-tabs-mode: nil */
00127 /* End: */
00128 
00129 #endif // OBJREC_BAYESIANBIASER_C_DEFINED
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