Can I use diff function to subtract pixel from 2-pixel away from it? So it not neighbour pixel.

Can I use diff function to subtract pixel from 2-pixel away from it? So it not neighbour pixel.

Answer 1

[Walter Roberson]

No.

I suggest you use

diff2_col = YourArray(:,3:end) - YourArray(:,1:end-2)

or

diff2_row = YourArray(3:end,:) - YourArray(1:end-2,:)

depending on which dimension you want to proceed across.

[Teemu]

Thanks