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A Novel Model for Ship Trajectory Anomaly Detection Based on Gaussian Mixture Variational Autoencoder.
Lei Xie
Tao Guo
Jiliang Chang
Chengpeng Wan
Xinyuan Hu
Yang Yang
Changkui Ou
Published in:
IEEE Trans. Veh. Technol. (2023)
Keyphrases
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anomaly detection
gaussian mixture
probabilistic model
intrusion detection
objective function
negative selection algorithm
machine learning
feature vectors
prior knowledge
knowledge discovery
support vector machine
em algorithm
unsupervised learning
statistical analysis
covariance matrix
normal behavior