VisualCortexSurprise.H

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00001 /*!@file Neuro/VisualCortexSurprise.H a VisualCortex with SingleChannelSurprise
00002   channels */
00003 
00004 // //////////////////////////////////////////////////////////////////// //
00005 // The iLab Neuromorphic Vision C++ Toolkit - Copyright (C) 2000-2003   //
00006 // by the University of Southern California (USC) and the iLab at USC.  //
00007 // See http://iLab.usc.edu for information about this project.          //
00008 // //////////////////////////////////////////////////////////////////// //
00009 // Major portions of the iLab Neuromorphic Vision Toolkit are protected //
00010 // under the U.S. patent ``Computation of Intrinsic Perceptual Saliency //
00011 // in Visual Environments, and Applications'' by Christof Koch and      //
00012 // Laurent Itti, California Institute of Technology, 2001 (patent       //
00013 // pending; application number 09/912,225 filed July 23, 2001; see      //
00014 // http://pair.uspto.gov/cgi-bin/final/home.pl for current status).     //
00015 // //////////////////////////////////////////////////////////////////// //
00016 // This file is part of the iLab Neuromorphic Vision C++ Toolkit.       //
00017 //                                                                      //
00018 // The iLab Neuromorphic Vision C++ Toolkit is free software; you can   //
00019 // redistribute it and/or modify it under the terms of the GNU General  //
00020 // Public License as published by the Free Software Foundation; either  //
00021 // version 2 of the License, or (at your option) any later version.     //
00022 //                                                                      //
00023 // The iLab Neuromorphic Vision C++ Toolkit is distributed in the hope  //
00024 // that it will be useful, but WITHOUT ANY WARRANTY; without even the   //
00025 // implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR      //
00026 // PURPOSE.  See the GNU General Public License for more details.       //
00027 //                                                                      //
00028 // You should have received a copy of the GNU General Public License    //
00029 // along with the iLab Neuromorphic Vision C++ Toolkit; if not, write   //
00030 // to the Free Software Foundation, Inc., 59 Temple Place, Suite 330,   //
00031 // Boston, MA 02111-1307 USA.                                           //
00032 // //////////////////////////////////////////////////////////////////// //
00033 //
00034 // Primary maintainer for this file: Laurent Itti <itti@usc.edu>
00035 // $HeadURL: svn://isvn.usc.edu/software/invt/trunk/saliency/src/Neuro/VisualCortexSurprise.H $
00036 // $Id: VisualCortexSurprise.H 10845 2009-02-13 08:49:12Z itti $
00037 //
00038 
00039 #ifndef VISUALCORTEXSURPRISE_H_DEFINED
00040 #define VISUALCORTEXSURPRISE_H_DEFINED
00041 
00042 #include "Channels/RawVisualCortex.H"
00043 
00044 //! This is a derivation of VisualCortex using SingleChannelSurprise channels
00045 /*! It computes Surprise instead of computing saliency. */
00046 class VisualCortexSurprise : public RawVisualCortex
00047 {
00048 public:
00049   //! Constructor without any channels
00050   VisualCortexSurprise(OptionManager& mgr,
00051                        const std::string& descrName = "Visual Cortex Surprise",
00052                        const std::string& tagName = "VisualCortexSurprise");
00053 
00054   //! Virtual destructor for safe inheritance.
00055   virtual ~VisualCortexSurprise();
00056 
00057   //! Register surprise channel types with SubmapAlgorithm::getFactory()
00058   static void registerSurpriseTypes(OptionManager& mgr);
00059 
00060 protected:
00061   OModelParam<std::string> itsStype;     //!< type of surprise models
00062   OModelParam<int> itsNormSurp;  //! apply weak spatial competition to output?
00063   OModelParam<float> itsSurpriseThresh;  //!< surprise nonlinerity threshold
00064   OModelParam<float> itsSurpriseSemisat; //!< surprise nonlinerity semisat
00065   OModelParam<float> itsSurpriseExp;     //!< surprise nonlinerity exponent
00066 
00067   //! post-process raw weighted sum of channel output maps, surprise-style
00068   virtual Image<float> postProcessOutputMap(const Image<float>& outmap);
00069 
00070   //! Rebuild our channels if surprise model type changes
00071   virtual void paramChanged(ModelParamBase* const param,
00072                             const bool valueChanged,
00073                             ParamClient::ChangeStatus* status);
00074 };
00075 
00076 
00077 #endif
00078 
00079 // ######################################################################
00080 /* So things look consistent in everyone's emacs... */
00081 /* Local Variables: */
00082 /* indent-tabs-mode: nil */
00083 /* End: */
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