中文说明：有效的肤色分割程序，将RGB颜色空间转化到YCbCr空间，有效处理了光照 通过形态学处理完善了图片肤色分割的圆滑程度
English Description：
An effective skin color segmentation program transforms RGB color space into YCbCr space, effectively processes the illumination, and improves the smoothness of skin color segmentation through morphological processing