Siggraph 2014: Facial Performance Enhancement Using Dynamic Shape Space Analysis

[@magick1969]

The one area that is absolutely trashed is the mouth: the area the viewer will focus on as it stands out as being terrible. 3:55 is a classic example.

[@Hwyadylaw]

This is about an animation technology, not the complete process.

[@greenmario3011]

Marc Driftmeyer it just looks weird because of the void replacing the inner bits of the mouth