Multi-granularity Video Unusual Event Detection Based on Infinite Hidden Markov Models.
Chunsheng GuoYouhui ZouPublished in: AICI (2) (2011)
Keyphrases
- hidden markov models
- multi granularity
- unusual event detection
- multi user
- speech recognition
- visual speech recognition
- sequential data
- real time
- markov models
- video sequences
- conditional random fields
- privacy protection
- location aware
- dynamic integration
- video data
- continuous hidden markov models
- viterbi algorithm
- sequence classification
- hidden state
- discriminative training
- dynamic textures
- activity recognition
- visual speech
- user interface
- mobile devices