How to find centralized sub image from an image?

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anu
anu 2018-1-25
回答： Guillaume 2018-1-25
I have an image and divided into 2 * 2 grid. Now I want to get centralized sub-image of the same image so that I can find out the features of the centralized sub-image. How to do it?

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Guillaume
Guillaume 2018-1-25
Isn't it simply:
centralised_subimage = yourimage(end/4:3*end/4, end/4:3*end/4, :)

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