[Retracted] Deep Learning and Improved HMM Training Algorithm and Its Analysis in Facial Expression Recognition of Sports Athletes

Table 2

Number of similar facial expression experiments in 6 categories.

	Male		Female		Total
Age	16–22	23–40	16–22	23–40	—
Wry smile	20	10	15	5	50
Grievance	20	10	10	10
Wink schematic	20	10	5	15
Close eyes	15	15	5	15
Cry bitterly	15	15	10	10
Anger	10	20	10	10