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view main/image/isbw.m @ 0:6b33357c7561 octave-forge
Initial revision
author | pkienzle |
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date | Wed, 10 Oct 2001 19:54:49 +0000 |
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## Copyright (C) 2000 Kai Habel ## ## 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 ## -*- texinfo -*- ## @deftypefn {Function File} @var{bool}= isbw (@var{BW}) ## returns true for a black-white (binary) image. ## All values must be either 0 or 1 ## @end deftypefn ## Author: Kai Habel <kai.habel@gmx.de> ## Date: 20/03/2000 function bool = isbw (BW) bool = 0; if !(nargin == 1) usage ("isbw(BW)"); endif if !(is_matrix(BW)) return; endif bool = all (all ((BW == 1) + (BW == 0))); endfunction