What is an image, really? What are those pixels, and why do you need 24 bits for each one? In this I explain the basics of image channels, using the RGB curve to separate them and work on them.

If you like the videos in this Formats and Channels series, please consider making a donation of US$3.99 for the whole album at wickes.webs.com/compositingtutorials.htm

Loading more stuff…

Hmm…it looks like things are taking a while to load. Try again?

Loading videos…