%#    mffmsilhouette : Silhouette extraction algorithm%#    Copyright (C) 2003  Matt Flax, Regina%#%#    This program is free software; you can redistribute it and/or modify%#    it under the terms of the GNU General Public License as published by%#    the Free Software Foundation; either version 2 of the License, or%#    (at your option) any later version.%#%#    This program is distributed in the hope that it will be useful,%#    but WITHOUT ANY WARRANTY; without even the implied warranty of%#    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the%#    GNU General Public License for more details.%#%#    You should have received a copy of the GNU General Public License%#    along with this program; if not, write to the Free Software%#    Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA%#%#%#    Matt Flax <flatmax@ieee.org>function [yFrame,iFrame,qFrame]=rgb2yiq(rFrame,gFrame,bFrame)  %# this function converts from rgb to yiq  yFrame=0.3*rFrame+0.59*gFrame+0.11*bFrame;  iFrame=0.6*rFrame-0.28*gFrame+0.31*bFrame;  qFrame=0.21*rFrame-0.52*gFrame+0.31*bFrame;endfunction