00001 /*!@file Channels/TcorrChannel.H */ 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/Channels/TcorrChannel.H $ 00035 // $Id: TcorrChannel.H 7434 2006-11-11 02:15:19Z rjpeters $ 00036 // 00037 00038 #ifndef TCORRCHANNEL_H_DEFINED 00039 #define TCORRCHANNEL_H_DEFINED 00040 00041 #include "Channels/SingleChannel.H" 00042 #include "Image/ImageCache.H" 00043 00044 // ###################################################################### 00045 //! A temporal correlation channel 00046 /*! Note that in this channel, high 'salience' means low temporal 00047 correlation, i.e., lots of change. CAUTION: this channel will throw 00048 a fatal exception if your LevelSpec contains more than one level or 00049 if that level is different from the maplevel or if the deltas are 00050 non-zero. */ 00051 class TcorrChannel : public SingleChannel 00052 { 00053 public: 00054 //! Construct with standard params. 00055 TcorrChannel(OptionManager& mgr); 00056 00057 //! Destructor 00058 virtual ~TcorrChannel(); 00059 00060 //! overload 00061 virtual bool outputAvailable() const; 00062 00063 protected: 00064 OModelParam<int> itsFrameLag; //!< Lag (in frames) to use for correlation 00065 00066 //! special input function 00067 virtual void doInput(const InputFrame& inframe); 00068 00069 //! special output function 00070 virtual Image<float> getOutput(); 00071 00072 ImageCache<float> itsCache; //!< cache of the recent inputs 00073 Image<float> itsMap; //!< our temporal correlation map 00074 }; 00075 00076 // ###################################################################### 00077 /* So things look consistent in everyone's emacs... */ 00078 /* Local Variables: */ 00079 /* indent-tabs-mode: nil */ 00080 /* End: */ 00081 00082 #endif // TCORRCHANNEL_H_DEFINED