YOLO-DFD: A Lightweight Method for Dog Feces Detection Based on Improved YOLOv4

Table 4

Comparison results of different algorithms.

Model	R (%)	P (%)	AP (%)	GFLOPs (G)	Param (M)	FPS
YOLOv3	92.66	96.30	98.42	65.60	61.52	46
YOLOv4	86.79	98.34	97.82	59.95	63.94	34
YOLOv5s	90.12	94.41	96.79	7.96	8.06	59
SSD	75.89	99.72	99.14	115.51	23.61	55
Faster RCNN	91.41	66.41	89.15	252.58	136.69	10
YOLOv7l	94.76	96.17	98.43	44.41	37.20	40
Ours	92.03	97.67	98.66	7.02	11.31	48