Online Classroom Teaching Quality Evaluation System Based on Facial Feature Recognition

Table 1

System scores of learner groups in different states.

Learner groups	Normal state	Mild head tilt	Severe head deviation	Yawn state	Sleepy state
1	88.2	81.6	56.2	67.2	59.9
2	87.8	81.7	53.5	66.5	52.7
3	93.1	79.3	55.6	57.9	63.3
4	89.9	79.8	53.9	61.4	63.6