Extract the hand region from an image

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Sokhib Tukhtayev 2017-4-5

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https://ww2.mathworks.cn/matlabcentral/answers/333741-extract-the-hand-region-from-an-image

评论： Sokhib Tukhtayev 2017-4-10

I have an image that looks like:

This image is from the dataset and I implemented skin color extraction to this image.

My goal here is to extract only hand region, that's something like this:

Do you have any idea about how to do so using some image processing algorithms?

For example: to create two rectangle or circle-like shapes that contain same/similar color intensities in neighbouring regions, one for face and the other one for hand and check if those circles contain two little black regions(in this case, probably eyes) or two blackish lines (eyebrows) and extract the second shape.

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Image Analyst 2017-4-10

编辑：Image Analyst 2017-4-10

You see that door behind the woman? Well what is that door wasn't there and the only thing behind here was a totally black wall, or a white sheet. Have you ever heard of a cyclorama?

Wouldn't that make it easier to find only the hand? Of course it would.

Sokhib Tukhtayev 2017-4-10

I see now. I can't do that, because I only have a dataset downloaded from the WEB. In your suggestion, I would have to create my own dataset which is impossible for me. I need to use existing ones and do some processing. Any other suggestions?

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