Table 4.

AU detection performances on CLOCK dataset (additional AUs)

−	S	AUC	PA	NA
(a) AU1
Study 1: CLOCK $\to$ CLOCK	0.50	0.67	0.51	0.83
Hammal et al. (2017)	0.77	−	0.48	0.94
OpenFace	0.40	0.63	0.45	0.79
Study 4 - Adult AFAR: (EB+ + GFT) $\to$ CLOCK	0.15	0.61	0.46	0.65
(b) AU2
Study 1: CLOCK $\to$ CLOCK	0.52	0.67	0.46	0.84
Hammal et al. (2017)	0.77	−	0.33	0.94
OpenFace	0.30	0.60	0.38	0.75
Study 4 - Adult AFAR: (EB+ + GFT) $\to$ CLOCK	0.44	0.62	0.40	0.82
(c) AU3
Study 1: CLOCK $\to$ CLOCK	0.67	0.72	0.58	0.90
Hammal et al. (2017)	0.69	−	0.50	0.91
OpenFace	−	−	−	−
Study 4 - Adult AFAR: (EB+ + GFT) $\to$ CLOCK	−	−	−	−
(d) AU9
−	S	AUC	PA	NA
Study 1: CLOCK $\to$ CLOCK	0.86	0.82	0.55	0.96
Hammal et al. (2017)	0.77	−	0.26	0.98
OpenFace	0.76	0.75	0.39	0.93
Study 4 - Adult AFAR: (EB+ + GFT) $\to$ CLOCK	−	−	−	−
(e) AU28
Study 1: CLOCK $\to$ CLOCK	0.84	0.81	0.57	0.96
Hammal et al. (2017)	0.83	−	0.25	0.72
OpenFace	0.81	0.50	0.04	0.95
Study 4 - Adult AFAR: (EB+ + GFT) $\to$ CLOCK	−	−	−	−

The best results are shown in bold