Understanding Alpha Premultiplication in Fusion/Resolve

VFXstudy offers some insights to help better manage Alpha Premultiplication in Fusion.

Dark edges, colored edges, or jaggies are things we all want to avoid when working with images that have an alpha channel. But what causes all these undesirable artifacts? This new tutorial from VFXstudy’s Bernd Klimm covers everything you need to know about alpha premultiplication when working in Davinci Resolve or Fusion.

“Pre-Divide/Post-Multiply: A small checkbox helps avoid dark and jagged edges or bright halos when color correcting images with alpha.”

Klimm often shares excellent tutorials for Fusion and Resolve while offering free and premium courses that train users on those tools. Klimm has a complete starter course for Fusion 9 that covers all the basics and some more advanced stuff. Visit the Black Magic Fusion 9 – Your Journey from Novice to Expert for a free trial or to purchase the course for around $20.

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