Anomaly Detection and Restoration for AIS Raw Data

Table 1

Trajectory outlier distribution.

Trajectory point	Ship type	Quantity
Normal trajectory point	Tanker	7800
	Ship	503
Anomalous drift point	Tanker	4035
	Ship	67
Abnormal stop point	Tanker	0
	Ship	0
Abnormal acceleration point	Tanker	12
	Ship	0
Abnormal turning point	Tanker	3118
	Ship	0