Table 2.

AU detection performance in terms of 2AFC score. Italic text indicates the best (i.e. highest) score.

2AFC	AU1	AU2	AU4	AU6	AU12	AU25	AU26
shape	0.74	0.53	0.67	0.61	0.79	0.73	0.53
appearance	0.74	0.73	0.65	0.78	0.82	0.78	0.67
δ-shape	0.78	0.67	0.71	0.74	0.78	0.82	0.64
δ-appearance	0.90	0.92	0.87	0.82	0.92	0.89	0.78
fusion	0.91	0.89	0.78	0.87	0.93	0.86	0.79