load_image.sci

来自「signal procesing toolbox」· SCI 代码 · 共 33 行

function M = load_image(name, n0, options)

// read an image from a file

if argn(2)<2
	n0 = [];
end

options.null = 0;
rep = getoptions(options, 'image_rep', './toolbox_signal/');

filename = strcat([rep name '.bin']);
fid = mopen(filename, 'rb');
if fid<0
    error('Problem with file loading.');
end
n = mget(1, 'us', fid);
p = mget(1, 'us', fid);
M = mget(n*p, 'uc', fid);
mclose(fid);
if length(M)~=n*p
    error('Problem with file loading.');
end
M = matrix(M, n, p);


if not(isempty(n0)) & (n0~=size(M, 1) | n0~=size(M, 2)) & argn(2)>=2
	M = image_resize(M,n0);
end



endfunction