An Intelligent System for Detecting Abnormal Behavior in Students Based on the Human Skeleton and Deep Learning

Table 1

Performance index of student trajectory construction.

Influence factor	TP	FN	FP	F1 (%)	TI/(frame × second^−1)
Sufficient light, crowding, no shadow	165	7	10	95.79	26.71
Sufficient light, crowding, shadow	140	9	15	93.61	26.32
Sufficient light, sparse, no shadow	172	1	3	99.5	27.92
Sufficient light, sparse, shadow	148	5	7	97.32	27.53
Insufficient light, crowding, no shadow	136	7	14	94.6	26.5
Insufficient light, crowding, shadow	140	9	15	92.42	26.11
Insufficient light, sparse, no shadow	162	3	8	98.31	27.71
Insufficient light, sparse, shadow	169	9	11	96.13	27.32
Average				95.96	27.015