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Busing Nuke Premultiplication Myths

February 1, 2014, 02:17 PM

http://lesterbanks.com/2014/02/busting-nuke-premul...

Quite often if an image is using an alpha channel, to save on additional multiplications during compositing, the color of the image is multiplied by the alpha value. This is what a premultiplied alpha is, and it needs to be treated differently than a regular alpha channel when compositing.

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