00001 /*!@file Channels/JunctionChannel.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/JunctionChannel.H $ 00035 // $Id: JunctionChannel.H 9501 2008-03-19 21:44:31Z rjpeters $ 00036 // 00037 00038 #ifndef JUNCTIONCHANNEL_H_DEFINED 00039 #define JUNCTIONCHANNEL_H_DEFINED 00040 00041 #include "Channels/SingleChannel.H" 00042 #include "rutz/shared_ptr.h" 00043 00044 class OrientationChannel; 00045 00046 //###################################################################### 00047 //! A junction channel. 00048 class JunctionChannel : public SingleChannel 00049 { 00050 public: 00051 /*! Construct with the manager, visual cortex, visual feature and 00052 relevance of the different oriented features (0 => 0 deg., 1 => 45 00053 deg, ... , 7 => 315 deg., and whether we want a full or partial 00054 implementation of the junction */ 00055 JunctionChannel(OptionManager& mgr, nub::soft_ref<OrientationChannel> oc, 00056 const VisualFeature vs = UNKNOWN, 00057 const int R0 = 0, const int R1 = 0, const int R2 = 0, 00058 const int R3 = 0, const int R4 = 0, const int R5 = 0, 00059 const int R6 = 0, const int R7 = 0 ); 00060 00061 //! Destructor 00062 virtual ~JunctionChannel(); 00063 00064 protected: 00065 //! Computes the corners from the gabor channels accessed via the 00066 //visual cortex 00067 virtual void doInput(const InputFrame& inframe); 00068 00069 /*! do we want a slow, full implementation of this junction which 00070 checks for both the presence of relevant features and the absence of 00071 irrelevant features; or a quick, partial implementation which checks 00072 only for the presence of the relevant features. */ 00073 OModelParam<bool> itsFull; 00074 00075 /// dx and dy value to pass to junctionFilterFull() or junctionFilterPartial() 00076 OModelParam<uint> itsDelta; 00077 00078 //! keep track of our OrientationChannel 00079 nub::soft_ref<OrientationChannel> itsOriChan; 00080 00081 private: 00082 int R0; // relevance of 0 deg. feature 00083 int R1; // relevance of 45 deg. feature 00084 int R2; // relevance of 90 deg. feature 00085 int R3; // relevance of 135 deg. feature 00086 int R4; // relevance of 180 deg. feature 00087 int R5; // relevance of 225 deg. feature 00088 int R6; // relevance of 270 deg. feature 00089 int R7; // relevance of 315 deg. feature 00090 }; 00091 00092 // ###################################################################### 00093 /* So things look consistent in everyone's emacs... */ 00094 /* Local Variables: */ 00095 /* indent-tabs-mode: nil */ 00096 /* End: */ 00097 00098 #endif // JUNCTIONCHANNEL_H_DEFINED
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