. Author manuscript; available in PMC: 2016 Jun 4.

Published in final edited form as: IEEE Int Conf Autom Face Gesture Recognit Workshops. 2015 May;1:10.1109/FG.2015.7163106. doi: 10.1109/FG.2015.7163106

TABLE I.

Descriptions, inter-observer reliability, and base rates (mean and std. dev.) for the analyzed FACS action units

			Base Rate

AU	Description	MCC	M	SD
1	Inner brow raiser	0.82	0.09	0.10
2	Outer brow raiser	0.85	0.12	0.13
6	Cheek raiser	0.85	0.34	0.21
7	Lid tightener	0.83	0.42	0.24
10	Upper Lip Raiser	0.82	0.40	0.23
11	Nasolabial Deepener	0.85	0.17	0.24
12	Lip Corner Puller	0.88	0.34	0.20
14	Dimpler	0.82	0.65	0.21
15	Lip Corner Depresser	0.72	0.10	0.10
17	Chin Raiser	0.74	0.29	0.19
23	Lip Tightener	0.74	0.21	0.16
24	Lip Presser	0.69	0.14	0.15