ColorizeOfilt.C

Go to the documentation of this file.
00001 /*!@file Transport/ColorizeOfilt.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: Rob Peters <rjpeters at usc dot edu>
00034 // $HeadURL: svn://isvn.usc.edu/software/invt/trunk/saliency/src/Transport/ColorizeOfilt.C $
00035 // $Id: ColorizeOfilt.C 9500 2008-03-19 21:22:14Z rjpeters $
00036 //
00037 
00038 #ifndef TRANSPORT_COLORIZEOFILT_C_DEFINED
00039 #define TRANSPORT_COLORIZEOFILT_C_DEFINED
00040 
00041 #include "Transport/ColorizeOfilt.H"
00042 
00043 #include "Image/ColorOps.H"
00044 #include "Image/Image.H"
00045 #include "Image/Normalize.H"
00046 #include "Image/Pixels.H"
00047 #include "Raster/GenericFrame.H"
00048 #include "Transport/FrameInfo.H"
00049 
00050 // ######################################################################
00051 ColorizeOfilt::ColorizeOfilt(OptionManager& mgr,
00052                              const std::string& descrName,
00053                              const std::string& tagName)
00054   :
00055   FrameOfilt(mgr, descrName, tagName),
00056   itsColorMap(ColorMap::JET(256))
00057 {}
00058 
00059 // ######################################################################
00060 ColorizeOfilt::~ColorizeOfilt()
00061 {}
00062 
00063 // ######################################################################
00064 void ColorizeOfilt::filterFrame(FrameOstream& dest,
00065                                 const GenericFrame& frame,
00066                                 const std::string& shortname,
00067                                 const FrameInfo& auxinfo)
00068 {
00069   const GenericFrame::NativeType t = frame.nativeType();
00070 
00071   if (t == GenericFrame::GRAY_U8
00072       || (t == GenericFrame::VIDEO
00073           && frame.asVideo().getMode() == VIDFMT_GREY))
00074     {
00075       // colorize 8-bit grayscale
00076       dest.writeRGB(colorize(frame.asGrayU8(), itsColorMap),
00077                     shortname + "-colorized", auxinfo);
00078     }
00079   else if (t == GenericFrame::GRAY_F32)
00080     {
00081       // colorize 32-bit floating-point grayscale
00082 
00083       // TODO: do something more sophisticated with the 32-bit dynamic
00084       // range besides just truncating to 8 bits
00085       dest.writeRGB(colorize(normalizeFloat
00086                              (frame.asGrayF32(),
00087                               frame.floatFlags() | FLOAT_NORM_0_255),
00088                              itsColorMap),
00089                     shortname + "-colorized", auxinfo);
00090     }
00091   else if (t == GenericFrame::NONE
00092            || t == GenericFrame::RGB_U8
00093            || t == GenericFrame::RGB_F32
00094            || (t == GenericFrame::VIDEO
00095                && frame.asVideo().getMode() != VIDFMT_GREY))
00096     {
00097       // it's already in color, so just pass the frame through as-is
00098       dest.writeFrame(frame, shortname, auxinfo);
00099     }
00100   else
00101     LFATAL("Oops! Don't know how to generate luminance of %s image (%s)",
00102            frame.frameSpec().getDescription().c_str(),
00103            shortname.c_str());
00104 }
00105 
00106 // ######################################################################
00107 /* So things look consistent in everyone's emacs... */
00108 /* Local Variables: */
00109 /* mode: c++ */
00110 /* indent-tabs-mode: nil */
00111 /* End: */
00112 
00113 #endif // TRANSPORT_COLORIZEOFILT_C_DEFINED
Generated on Sun May 8 08:42:24 2011 for iLab Neuromorphic Vision Toolkit by  doxygen 1.6.3