Learning State Assessment in Online Education Based on Multiple Facial Features Detection

Table 2

Different detection results of our experiment.

Number	Face	Eye closing rate	Yawn	Deep yawn	Yaw		Pitch		Roll		Alert
1	1	0.23	0	0	−8.19	06	−3.48	0	−1.67	0	Y
2	1	0.03	0	1	2.00	0	1.78	0	0.73	0	Y
3	0	—	—	—	—	—	—	—	—	—	N
4	1	0.11	2	0	19.13	7	−6.32	0	4.05	0	Y
5	1	0.06	1	0	32.60	206	−19.13	35	1.70	0	Y
6	1	0.09	0	0	6.57	0	−3.43	0	−3.70	0	N
7	1	0.32	0	2	18.49	17	−13.46	0	−20.95	72	Y
8	1	0.14	1	0	4.36	0	−20.31	137	−0.59	0	Y
9	1	0.16	1	0	23.72	12	−9.98	0	8.31	0	N
10	1	0.05	0	0	2.95	0	−5.93	0	−23.53	139	Y