MATLAB: ERROR while creating GLCM

glcmMATLAB

% input image is obtained by stacking different bands(4,3,2)
I=imread('D:\project\stack.tif');
G=rgb2gray(I);
figure
imshow(G)
offsets=[0 1;-1 1; -1 0;-1 -1];
glcm=graycomatrix(G,'offset',offsets)
stats=graycoprops(glcm)
=>obtained WARNING is 'image is too big to fit 'and glc matrix is not produced along with its statistics
my grey image is of size 7438×7575 uint8
i have seen a suggested answer:- 
imshow(G, 'InitialMagnification', 'fit')
but returns same warning
if i use resize command,will image loses its actual information? as i want to classify the features obtained.

Best Answer

Change
imshow(G)
to
image(G)
colormap(gray(256));
if i use resize command,will image loses its actual information? as i want to classify the features obtained.
The size you display the image on the screen will not affect glcm analysis.
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