I = imread('C:\cameraman.tif'); imshow(I) offsets = [0 1; -1 1;-1 0;-1 -1]; [glcms,SI] = graycomatrix(I,'Offset',offsets); imshow(rescale(SI)) whos I = imread('C:\cameraman.tif'); imshow(I) glcm = graycomatrix(I,'Offset',[2 0]) I = [ 1 1 5 6 8 8; 2