Research Article

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

Figure 16

Training loss of (a) improved YOLOv4, YOLOv4, YOLOv3, and YOLOv5 and (b) faster R-CNN, cascade R-CNN, double-head R-CNN, and SSD.
(a)
(b)