Summary of CD / The Horrors of the Alpha Channel

00:00:00 - 00:05:00

This video discusses the use of alpha channels in compositing, and how neglecting to premultiply images can result in ghosted edges. It explains that modern VFX apps are capable of handling premultiplied images, but many users are not aware of this feature and end up uploads with ghosted edges.

• 00:00:00 The video discusses the compositing process, and how the use of alpha channels can help improve the quality of an image. It explains that some software neglects to premultiply images before combining them, resulting in ghosted edges. It also states that, although modern VFX apps are capable of handling premultiplied images, many users are not aware of this feature and end up uploads with ghosted edges.
• 00:05:00 This video explains how alpha transparency works, how to use compositing software to achieve the desired result, and the disadvantages of relying on premultiplication.