AU23 – lip tightener – orbicularis oris – FACS shape – animated – Facial Action Coding System – blendshape – blendshapes – blend shape – blend shapes
Facial Expressions in Art, Science, & Technology
AU23 – lip tightener – orbicularis oris – FACS shape – animated – Facial Action Coding System – blendshape – blendshapes – blend shape – blend shapes