Sum modified laplacian operator
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ML(p, q) =| 2I(p, q) − I(p − 1, q) − I(p + 1, q) | + | 2I(p, q) − I(p, q − 1) − I(p, q + 1) | (2.2.6) where, I(p,q) denotes the pixel value located at the position (p,q).
My Image I is of size 256x256. To implement the above line, I am getting a zero index error as I have choosen p=1:256 and q=1:256. How to avoid getting a zero index error?
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