Research Article
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 |
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