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Thread: Find out if a pixel belongs to a region

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  1. Jan 26th, 2018, 06:52 AM #1
    krtxmrtz
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    Find out if a pixel belongs to a region

    I have a black and white image such as the attached one and I want to calculate the area and center of mass of the inner (hole) region.

    The problem I'm facing is for a spcific white pixel how to determine if it belongs or not to the hole i.e. if it's entirely surrounded by the black region.

    I assume the web has a lot of related information but I just don't know what exactly to look for. Any ideas?
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