How do i filter only skin coloured pixels in an image?

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Suhas Yelluru 2014-7-4

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https://ww2.mathworks.cn/matlabcentral/answers/140276-how-do-i-filter-only-skin-coloured-pixels-in-an-image

回答： Image Analyst 2014-7-4

I read in a paper that using HSV formats for skin extraction is the best, but I don't know how to extract only the skin colour. I need to extract only the skin colour as a part of my gesture recognition project.

Thanks in advance!

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Answer 1

Image Analyst 2014-7-4

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https://ww2.mathworks.cn/matlabcentral/answers/140276-how-do-i-filter-only-skin-coloured-pixels-in-an-image#answer_143679

See my tutorial "Simple color detection by hue" in my File Exchange: http://www.mathworks.com/matlabcentral/fileexchange/?term=authorid%3A31862 Note that since the 3D color gamut of skin is banana/boomerang-shaped, you can't get it perfect with just hsv thresholding. If there are some reddish gray pixels in there, you'd get those too, though I guess that would be perfect if you have photos of zombies.