GaborChannel.C

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00001 /*!@file Channels/GaborChannel.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/GaborChannel.C $
00035 // $Id: GaborChannel.C 9321 2008-02-25 05:55:31Z mundhenk $
00036 //
00037 
00038 #ifndef GABORCHANNEL_C_DEFINED
00039 #define GABORCHANNEL_C_DEFINED
00040 
00041 #include "Channels/GaborChannel.H"
00042 
00043 #include "Channels/ChannelOpts.H"
00044 #include "Component/OptionManager.H"
00045 #include "Component/ParamMap.H"
00046 #include "Image/PyramidOps.H"
00047 #include "Util/sformat.H"
00048 
00049 // ######################################################################
00050 // GaborChannel member definitions:
00051 // ######################################################################
00052 
00053 // ######################################################################
00054 GaborChannel::GaborChannel(OptionManager& mgr, const uint oriIndex,
00055                            const double ang) :
00056   SingleChannel(mgr, "", "", ORI, rutz::shared_ptr< PyrBuilder<float> >(NULL)),
00057   itsOriIndex("GaborChannelOrientationIndex", this, oriIndex),
00058   itsOrientation("GaborChannelOrientation", this, ang),
00059   itsGaborIntens(&OPT_GaborChannelIntensity, this),
00060   itsOriCompType(&OPT_OrientComputeType, this),
00061   itsUseTrigTab(&OPT_UseTrigTab, this)
00062 {
00063   itsNormalizeOutput.setVal(true);
00064 
00065   setDescriptiveName(sformat("Gabor(%d)", int(ang)));
00066   setTagName(sformat("ori_%d", oriIndex));
00067 }
00068 
00069 // ######################################################################
00070 GaborChannel::GaborChannel(OptionManager& mgr, const uint oriIndex,
00071                            const double ang, const char* tag, const char* desc) :
00072   SingleChannel(mgr, "", "", ORI, rutz::shared_ptr< PyrBuilder<float> >(NULL)),
00073   itsOriIndex("GaborChannelOrientationIndex", this, oriIndex),
00074   itsOrientation("GaborChannelOrientation", this, ang),
00075   itsGaborIntens(&OPT_GaborChannelIntensity, this),
00076   itsOriCompType(&OPT_OrientComputeType, this),
00077   itsUseTrigTab(&OPT_UseTrigTab, this)
00078 {
00079   itsNormalizeOutput.setVal(true);
00080 
00081   setDescriptiveName(sformat("Gabor-%s(%d)", desc, int(ang)));
00082   setTagName(sformat("ori-%s_%d", tag, oriIndex));
00083 }
00084 // ######################################################################
00085 void GaborChannel::start1()
00086 {
00087   SingleChannel::start1();
00088   resetPyramid();
00089 }
00090 
00091 // ######################################################################
00092 GaborChannel::~GaborChannel()
00093 { }
00094 
00095 // ######################################################################
00096 void GaborChannel::readFrom(const ParamMap& pmap)
00097 {
00098   SingleChannel::readFrom(pmap);
00099   double gi = itsGaborIntens.getVal();
00100   int otype = (int)itsOriCompType.getVal();
00101   bool doPyrReset = false;
00102 
00103 
00104   if (pmap.queryDoubleParam("gaborIntens", gi) == ParamMap::CHANGED)
00105     {
00106       itsGaborIntens.setVal(gi);
00107       doPyrReset = true;
00108     }
00109 
00110   if (pmap.queryIntParam("oriCompType", otype) == ParamMap::CHANGED)
00111     {
00112       itsOriCompType.setVal((OrientComputeType)otype);
00113       doPyrReset = true;
00114     }
00115 
00116   if (doPyrReset) resetPyramid();
00117 }
00118 
00119 // ######################################################################
00120 void GaborChannel::writeTo(ParamMap& pmap) const
00121 {
00122   SingleChannel::writeTo(pmap);
00123   pmap.putDoubleParam("gaborIntens", itsGaborIntens.getVal());
00124   pmap.putIntParam("oriCompType", (int)itsOriCompType.getVal());
00125 }
00126 
00127 // ######################################################################
00128 double GaborChannel::angle() const
00129 { return itsOrientation.getVal(); }
00130 
00131 // ######################################################################
00132 void GaborChannel::resetPyramid()
00133 {
00134   switch(itsOriCompType.getVal())
00135     {
00136     case ORISteerable:
00137       setPyramid(rutz::make_shared(new OrientedPyrBuilder<float>
00138                             (9, itsOrientation.getVal(),
00139                              itsGaborIntens.getVal(),
00140                              itsUseTrigTab.getVal())));
00141       break;
00142 
00143     case ORIGabor:
00144       setPyramid(rutz::make_shared(new GaborPyrBuilder<float>
00145                             (itsOrientation.getVal(),7,1,9,0)));
00146        break;
00147 
00148     case ORIGaborEnergyNorm:
00149       setPyramid(rutz::make_shared(new GaborPyrBuilder<float>
00150                             (itsOrientation.getVal(),7,1,9,
00151                              DO_ENERGY_NORM)));
00152        break;
00153 
00154     default:
00155       LFATAL("Unknown OrientComputeType");
00156     }
00157 }
00158 
00159 
00160 // ######################################################################
00161 /* So things look consistent in everyone's emacs... */
00162 /* Local Variables: */
00163 /* indent-tabs-mode: nil */
00164 /* End: */
00165 
00166 #endif // GABORCHANNEL_C_DEFINED
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