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.