简短的答案是yes, 你可以。
然而,亮度(Y)实际上是不相关的。这是色度(CbCr 或 UV)很重要。
该领域被引用最多的论文之一是this one(未压缩的 PS 文件)。我已经实现了它并且看起来效果相当好。
更新:上面的链接似乎已经损坏,所以这里是该论文的 bibtex 引用:
@ARTICLE{767122,
author={Chai, D. and Ngan, K.N.},
journal={Circuits and Systems for Video Technology, IEEE Transactions on}, title={Face segmentation using skin-color map in videophone applications },
year={1999},
month={jun},
volume={9},
number={4},
pages={551 -564},
keywords={H.261-compliant coder;chrominance component;complex background scene;face-segmentation algorithm;fast algorithm;foreground/background coding;head-and-shoulders view;human skin color;input image;luminance;perceptual quality;pixels;regularization processes;reliable algorithm;simulation results;spatial distribution characteristics;test images;universal skin-color map;video coding;videophone applications;videophone sequence;videotelephony;brightness;image colour analysis;image segmentation;image sequences;video coding;videotelephony;},
doi={10.1109/76.767122},
ISSN={1051-8215},}
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