Real-Time Identification of Nonstandard Thermal Inkjet Codes on the Surface of Hot-Rolled Steel Sheets in Complex Environments

Table 5

Lightweight YOLO test results.

Category	Precision (%)	Recall (%)	F1
0	99.78	99.67	0.997
1	99.23	99.01	0.991
2	97.52	99.25	0.984
3	99.12	100.00	0.996
4	100.00	99.98	1.000
5	98.87	100.00	0.994
6	99.24	99.28	0.993
7	99.49	99.89	0.997
8	100.00	100.00	1.00
9	98.70	100.00	0.993
Thermal coding detection	99.54	100.00	0.998
Character recognition location	98.87	100.00	0.994