/usr/share/octave/site/m/vlfeat/toolbox/imop/vl_imsc.m is in octave-vlfeat 0.9.17+dfsg0-6+b1.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 | function J=vl_imsc(I)
% VL_IMSC Scale image
% J=VL_IMSC(I) scales the range of the gray-scale or color image I to
% fit in the interval [0,1].
%
% See also: VL_HELP().
% Copyright (C) 2007-12 Andrea Vedaldi and Brian Fulkerson.
% All rights reserved.
%
% This file is part of the VLFeat library and is made available under
% the terms of the BSD license (see the COPYING file).
if ~isfloat(I)
I = im2double(I) ;
end
J = I - min(I(:)) ;
J = J / max(J(:)) ;
|