Table 3. Detection performance by pig behaviour

Network IoU_Threshold = 0.5 IoU_Threshold = 0.6
YOLOv3 YOLOv4 Additional layer ▪ mish YOLOv3 YOLOv4 Additional layer ▪ mish
Drink_AP 95.66 94.22 96.56 84.97 86.21 91.25
Feed_AP 86.86 89.16 86.41 61.06 68.31 57.90
IoU, intersection over union; YOLO, you-only-look-once; AP, access point.