Enhancing Railway Maintenance Safety Using Open-Source Computer Vision

Table 3

Verification of recognizing and detecting algorithm trackside workers.

Classification	# of trackside workers	True positive	False negative	False positive	Precision	Recall
# of trackside workers	1	1	—	—	1.0	1.0
	2	2	—	—	1.0	1.0
	5	4	1	—	1.0	0.8
	6∼7	4	3	—	1.0	0.57
Trackside workers (longitudinal)	4	2	2	—	1.0	0.5
Trackside workers  + ground facility	7	5	1	1	0.83	0.83