00001 /*!@file Channels/InformationChannel.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/Channels/InformationChannel.C $ 00035 // $Id: InformationChannel.C 7434 2006-11-11 02:15:19Z rjpeters $ 00036 // 00037 00038 #ifndef INFORMATIONCHANNEL_C_DEFINED 00039 #define INFORMATIONCHANNEL_C_DEFINED 00040 00041 #include "Channels/InformationChannel.H" 00042 00043 #include "Image/ColorOps.H" 00044 00045 // ###################################################################### 00046 // Information channel member definitions 00047 // ###################################################################### 00048 InformationChannel::InformationChannel(OptionManager& mgr) : 00049 SingleChannel(mgr, "Information", "information", INFORMATION, 00050 rutz::shared_ptr< PyrBuilder<float> >(NULL)), 00051 itsEps("InformationChannelEps", this, 0.01f), 00052 itsMap() 00053 { } 00054 00055 // ###################################################################### 00056 InformationChannel::~InformationChannel() 00057 { } 00058 00059 // ###################################################################### 00060 bool InformationChannel::outputAvailable() const 00061 { return itsMap.initialized(); } 00062 00063 // ###################################################################### 00064 void InformationChannel::doInput(const InputFrame& inframe) 00065 { 00066 const LevelSpec ls = itsLevelSpec.getVal(); 00067 ASSERT(ls.levMin() == ls.levMax()); 00068 ASSERT(ls.delMin() == 0 && ls.delMax() == 0); 00069 ASSERT(ls.levMin() == ls.mapLevel()); 00070 ASSERT(inframe.colorFloat().initialized()); 00071 00072 const uint lev = ls.mapLevel(); 00073 00074 // figure out the tile size and compute map: 00075 const int siz = 1 << lev; 00076 itsMap = infoMeasure(inframe.colorFloat(), itsEps.getVal(), siz); // Image_ColorOps.C 00077 } 00078 00079 // ###################################################################### 00080 Image<float> InformationChannel::getOutput() 00081 { return itsMap; } 00082 00083 // ###################################################################### 00084 /* So things look consistent in everyone's emacs... */ 00085 /* Local Variables: */ 00086 /* indent-tabs-mode: nil */ 00087 /* End: */ 00088 00089 #endif // INFORMATIONCHANNEL_C_DEFINED