Infinite Hidden Markov Models for Unusual-Event Detection in Video.
Iulian Pruteanu-MaliniciLawrence CarinPublished in: IEEE Trans. Image Process. (2008)
Keyphrases
- hidden markov models
- unusual event detection
- multimedia
- viterbi algorithm
- video data
- gesture recognition
- video sequences
- markov models
- sequential data
- video frames
- video content
- space time
- speech recognition
- visual speech recognition
- handwritten word recognition
- audio signals
- sequence classification
- continuous hidden markov models
- genetic algorithm
- markov model
- discriminative training
- hidden states
- baum welch
- video signals
- random effects
- conditional random fields
- hierarchical hidden markov model