Channel matting, using the PS channel to extract pictures of people with simple backgrounds
This chaptercourseadoptpassagewayThe whole tutorial is relatively simple, because the background is relatively simple. It is mainly for students to be familiar with the use of channels and know the channelsMattingLearn to observe the red, green and blue channels, and know which one to choose when picking out pictures. The picking out pictures in this article is easy to learn. Students can follow it first, try to pick out characters, and slowly learn the high-level tutorial. If you do this step by step, you will make faster progress.
1. Use the [PS] software to open the original image, click the channel panel, and click the red, green, and blue color channels respectively to see which has the largest contrast with the background.