%	lans_clipimg	- Clip img matrix regions into a vector %%	[cimg,cindex,dim]	= lans_clipimg(img,mask)%%	_____OUTPUTS____________________________________________________________%	cimg	clipped image					(vector)%	cindex	1-D indices of retained region			(vector)%	dim	dimensions of unclipped image			(2-vector)%		dim(1)	= # rows dim(2)	= # cols%%	_____INPUTS_____________________________________________________________%	img	image						(matrix)%	mask	binary mask for clipping			(matrix)%%	_____NOTES______________________________________________________________%	- works for matrix too, naturally.%	- to recover full clipped img matrix from cimg vector%		img		= zeros(dim)%		img(cindex)	= cimg;%%	_____SEE ALSO___________________________________________________________%	cumprod%%	(C) 1999.02.21 Kui-yu Chang%	http://lans.ece.utexas.edu/~kuiyu%	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%	or check%			http://www.gnu.org/function [cimg,cindex,dim]	= lans_clipimg(img,mask)dim	= size(img);cindex	= find(mask~=0);cimg	= img(cindex);