Table 1.

Confusion Report for YOLO v4 without interpolation.

	Precision	Recall	F1 Score
Arrow	0.80	0.47	0.59
Graph	0.87	0.84	0.86
Lens	0.53	0.86	0.66
Light	0.52	0.50	0.51
Others	0.50	0.87	0.64
Paper	0.82	0.77	0.79
Picture	0.67	0.96	0.79
Power Supply	0.56	0.55	0.55
Questions	0.97	0.27	0.42
Rail	0.61	0.43	0.50
Text	0.93	0.82	0.88
Micro avg.	0.61	0.61	0.61
Macro avg.	0.71	0.67	0.65
Weighted avg.	0.73	0.61	0.58