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I want to dissect one black, oval-shaped part of a photo keep the contents inside

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Naim
Naim on 16 Jun 2017
Closed: MATLAB Answer Bot on 20 Aug 2021
See attached photos for reference. What functionality does MATLAB have for detecting black space and zeroing in on what's inside that space?
Thanks for your help.

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Ankita Nargundkar
Ankita Nargundkar on 21 Jun 2017
See attached M file for an example of one way to approach this problem. If you want to get a perfect oval, look at 'regionprops' to extract that sort of information from the binary image or the connected components structure ('cc').

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