Keyphrases
- event detection
- event recognition
- video analysis
- video event detection
- video event
- video surveillance
- sports video
- multimedia event detection
- trecvid multimedia event detection
- video segments
- video summarization
- surveillance videos
- unsupervised learning
- activity recognition
- supervised learning
- temporal segmentation
- video processing
- video indexing
- video database
- low level features
- complex events
- mid level
- semantic event detection
- image sequences
- surveillance system
- image retrieval