Real-Time Detection of Insulators and Drop Fuses Based on Improved YOLOv4

Table 1

Average IoU of a different number of anchor boxes obtained through different algorithms.

Algorithm	6	9	12
FCM	0.951	0.955	0.956
K-means	0.626	0.678	0.708
K-means++	0.631	0.686	0.715
DCN	0.510	0.561	0.659
SDCN	0.546	0.590	0.654