AU23 – lip tightener – orbicularis oris + lip pucker – incisivus labii inferioris and incisivus labii superioris – Facial Action Coding System – FACS – blendshape – blendshapes – blend shape – blend shapes
Facial Expressions in Art, Science, & Technology
AU23 – lip tightener – orbicularis oris + lip pucker – incisivus labii inferioris and incisivus labii superioris – Facial Action Coding System – FACS – blendshape – blendshapes – blend shape – blend shapes