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VFX Artifacts: The alpha channel and Alvy Ray Smith

August 16, 2021, 08:42 AM

https://beforesandafters.com/2021/08/16/vfx-artifa...

Alvy Ray Smith’s accomplishments in computer graphics are hard to summarize. Many may know him as a co-founder of Pixar and the inventor of a number of early digital paint systems. Among many other achievements he worked with Ed Catmull to ‘invent’ the alpha channel (RGBA), a keystone of computer graphics and digital compositing today.

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