If you watched episode 47 of Red Giant TV, aside from being humbled by the amazingness of Tiny Inventions, you may also have caught a notation about Knoll Unmult – a free plug-in for removing black backgrounds and generating mattes. Here is a 3-minute excerpt from the tutorial that explains what it does and how it works:
How to use the FREE plug-in, Knoll Unmult from Red Giant Software on Vimeo.
