Melinda Ozel, an Expression Researcher who used to work on face-tracking tech at Meta and Affectiva, has recently shared a couple of insightful videos that might help 3D Animators learn more about animating human faces.
Shared via LinkedIn, both videos contain a bunch of facial expressions references with midline facial markings, illustrating the direction of skin pull in symmetric and asymmetric mouth expressions. "We often see references for bilateral expressions – but the unilateral ones have such unique effects and should not be left out of our studies," commented the creator
