Landmark-Based Facial Feature Construction and Action Unit Intensity Prediction

Table 2

More grossly defined AUs.

AU number	FACS name
19	Tongue out
21	Neck tightener
29	Jaw thrust
30	Jaw sideways
31	Jaw clencher
32	Lip bite
33	Cheek blow
34	Cheek puff
35	Cheek suck
36	Tongue bulge
37	Lip wipe

AU, action unit; FACS, facial action coding system.