Anomalous Event Detection Using a Semi-Two Dimensional Hidden Markov Model.
Hajananth NallaivarothayanDavid RyanSimon DenmanSridha SridharanClinton FookesPublished in: DICTA (2012)
Keyphrases
- hidden markov models
- event detection
- video event detection
- anomaly detection
- video analysis
- event recognition
- activity recognition
- video surveillance
- conditional random fields
- speech recognition
- multi dimensional
- sequential data
- hidden state
- information retrieval
- higher order
- text mining
- video segments
- probabilistic model
- hidden states
- spatio temporal