This repository contains python codes for detecting automatic identification system (AIS) on-off switching (OOS) anomalies, unusual turn detection, and deviation of trajectories of vessels. AIS-OOS anomaly and unusual turn with more than 30 degrees are detected with deep neural networks. Trajectory prediction is performed with Kalman Filter (KF) and a hybrid learning approach that uses a machine learning-based predictor (lstm or seq2seq) in the prediction steps.
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License: MIT License