Dining Activity Analysis Using a Hidden Markov Model.
Jiang GaoAlexander G. HauptmannAshok BharuchaHoward D. WactlarPublished in: ICPR (2) (2004)
Keyphrases
- hidden markov models
- activity analysis
- activity recognition
- visual surveillance
- video surveillance
- motion patterns
- video processing
- human activities
- focus of attention
- gesture recognition
- conditional random fields
- video analysis
- surveillance system
- expression recognition
- facial expression recognition
- machine learning
- background subtraction
- object tracking
- spatio temporal
- image sequences
- motion detection
- dynamic scenes
- feature extraction