Abnormal event detection and localisation in traffic videos based on group sparse topical coding.
Parvin AhmadiMahmoud TabandehIman GholampourPublished in: IET Image Process. (2016)
Keyphrases
- abnormal event detection
- abnormal events
- coding scheme
- video sequences
- network traffic
- group activities
- traffic scenes
- sparse representation
- moving vehicles
- video database
- traffic flow
- sparse data
- coding method
- video content
- human activities
- high dimensional
- real time
- video objects
- soft assignment
- keywords
- video retrieval
- topic specific
- human computer interaction