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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