An Improved YOLOv5 Network for Detection of Printed Circuit Board Defects

Table 2

Ablation study on improved YOLOv5.

Metric	Test set	[email protected] (%)	Up (%)
Original YOLOv5	1,067	95.29	0
+ -means++	1,067	95.61	0.32
Loss function
+ EIOU	1,067	96.54	0.93
+ SIOU	1,067	96.78	1.17
+ Focal-EIOU	1,067	96.97	1.36
Attention mechanism
+ SE	1,067	98.68	1.71
+ ECA	1,067	98.74	1.77
+ C3-ECA	1,067	99.10	2.13