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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 2017-6-16
关闭： MATLAB Answer Bot 2021-8-20
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 2017-6-21
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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