Geodesic Active Contours: The Key to Image Object Separation

Recently I tried a photo editing app that adds custom backgrounds to my image. So I uploaded a photo of me standing in my home and applied a beach background so that the output image looks like I am standing on a beach. But when I uploaded my photo, how did the software understand what parts of the image were me and what part is the image?

Well, that is where image segmentation comes to …

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