Building a Normality Space of Events - A PCA Approach to Event Detection.
Angelo CenedeseRuggero FrezzaEnrico CampanaGiambattista GennariGiorgio RaccanelliPublished in: VISAPP (1) (2008)
Keyphrases
- event detection
- event recognition
- video event detection
- video analysis
- principal component analysis
- video surveillance
- activity recognition
- composite events
- low dimensional
- surveillance videos
- space time
- video event
- dimensionality reduction
- multimedia event detection
- spatio temporal
- complex events
- feature extraction
- semantic event detection
- soccer video
- sports video
- video sequences