Convolver.H

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00001 /*!@file Image/Convolver.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/Image/Convolver.H $
00035 // $Id: Convolver.H 7924 2007-02-15 18:13:05Z rjpeters $
00036 //
00037 
00038 #ifndef IMAGE_CONVOLVER_H_DEFINED
00039 #define IMAGE_CONVOLVER_H_DEFINED
00040 
00041 #include "Image/FourierEngine.H"
00042 #include "Image/Image.H"
00043 
00044 class Convolver
00045 {
00046 public:
00047   Convolver(const Image<float>& kernel,
00048             const Dims& imagesize);
00049 
00050   Image<float> fftConvolve(const Image<float>& src);
00051 
00052   Image<float> spatialConvolve(const Image<float>& src);
00053 
00054 private:
00055   Dims                     const itsSrcDims;
00056   Dims                     const itsPadDims;
00057   Image<float>             const itsKernel;
00058   FourierEngine<double>          itsFwdFft;
00059   FourierInvEngine<double>       itsInvFft;
00060   Image<complexd>                itsFreqKernel;
00061 };
00062 
00063 // ######################################################################
00064 /* So things look consistent in everyone's emacs... */
00065 /* Local Variables: */
00066 /* indent-tabs-mode: nil */
00067 /* End: */
00068 
00069 #endif // IMAGE_CONVOLVER_H_DEFINED
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