Research on Real-Time Anomaly Detection of Fishing Vessels in a Marine Edge Computing Environment

Table 1

AIS device dynamic information update time [43].

Update Time	Navigation Status
3 minutes	Anchoring
10 seconds	Speed between 0 and 14 knots, sailing
3.33 seconds	Speed between 0 and 14 knots, changing course
6 seconds	Speed between 14 and 23 knots, sailing
2 seconds	Speed between 14 and 23 knots, changing course
2 seconds	Speed >23 knots, sailing
2 seconds	Speed >23 knots, changing course