Introduction - If you have any usage issues, please Google them yourself
Use the brush tool to pick up those may be the color pixels in the training images, and records the pixels in the HSV color space and RGB color values, according to a large number of samples, determine the color in the two color spaces of three channel threshold, looking for the test in the color image region with the determined threshold. A simple way to visualize this process is to specify all non - skin pixels as black, and the skin color pixels are white.