function crop = imagecrop(img)
% Gets rid of the white border around a Matlab created surface image.

s = size(image);

for x = 1:s(1)
    for y = 1:s(2)
        if (img(x,y,1) ~= 255 & img(x,y,2) ~= 255 | img(x,y,3) ~= 255)