How to extract shape characteristics from an image?

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Yashaswini MU
Yashaswini MU 2016-2-29
回答： Dima Lisin 2016-3-2
Hi, I am working on abnormal activity detection. I have image frames which represent various activities of person. I want to extract the shape descriptors from these images.I don't understand how to do that. Can someone please help me? I have attached the image from which I have to extract the features. How can I achieve that?

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回答（2 个）

Muhammad Usman Saleem
Dima Lisin
Dima Lisin 2016-3-2
regionprops function in the Image Processing Toolbox can compute various shape characteristics of regions, such as area, perimeter, principal axes, etc.

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