A Hierarchical Transformation-Discriminating Generative Model for Few Shot Anomaly Detection.
Shelly SheyninSagie BenaimLior WolfPublished in: ICCV (2021)
Keyphrases
- generative model
- anomaly detection
- pitman yor process
- intrusion detection
- probabilistic model
- anomalous behavior
- detecting anomalies
- unsupervised learning
- bayesian framework
- network intrusion detection
- em algorithm
- intrusion detection system
- network traffic
- video sequences
- prior knowledge
- network anomaly detection
- conditional random fields
- semi supervised
- latent dirichlet allocation
- expectation maximization
- detect anomalies
- one class support vector machines
- negative selection algorithm
- topic models
- hidden variables
- key frames
- semi supervised learning
- hierarchical bayesian model
- feature vectors