How to find centralized sub image from an image?

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anu
anu am 25 Jan. 2018
Beantwortet: Guillaume am 25 Jan. 2018
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 am 25 Jan. 2018
What is a centralized subimage?
anu
anu am 25 Jan. 2018
Dotted one is a centralized image.

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

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