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12.2, 12.1, 12.0, 11.3, 11.2, 11.1, 11.0, 10.5, 10 or later
Linux, Mac, Windows
A chroma Keyer to easily generate a better matte for for example skin color, or any color in the red/green/blue specter.
Disclaimer: There is many ways to pull mattes like this. this is just one more option to pulling color mattes. It's not meant to be a 1-stop- solution that always works, but often it helps you get where you want very quicly with a very smooth looking alpha channel.
The matte is generated by expression keying. it lest you alter the channels seperately, and gives you a visual que to what you are modifying and how the alpha will end up looking like. By generating the alpha with math (expressions) and only by modifying the original channels, you avoid regular artifacts that often come with Nuke's default keyers.
Shoty video demo of how to use this tool can be fould here: https://vimeo.com/fxtor/fxtchromakeyer
v1.2 : minor internal update to how alpha and color channels are detected, now uses an inproved method, tool otherwise functions the same.
v1.1 : minor fix, invert a checkbox in the panel so it outputs the right alpha.
v 1.0 : release