Swarm-based motion features for anomaly detection in crowds.
Vagia KaltsaAlexia BriassouliIoannis KompatsiarisMichael G. StrintzisPublished in: ICIP (2014)
Keyphrases
- anomaly detection
- motion features
- motion analysis
- activity recognition
- video data
- action recognition
- intrusion detection
- motion patterns
- visual features
- video shots
- detecting anomalies
- motion vectors
- one class support vector machines
- intrusion detection system
- optical flow
- motion model
- network intrusion detection
- anomalous behavior
- color features
- bounding box
- detect anomalies
- human actions
- flow field
- shape features
- unsupervised learning
- motion estimation
- depth images
- video sequences
- spatio temporal
- semi supervised
- similarity measure