Unsupervised learning of event AND-OR grammar and semantics from video.
Zhangzhang SiMingtao PeiBenjamin Z. YaoSong-Chun ZhuPublished in: ICCV (2011)
Keyphrases
- unsupervised learning
- atomic actions
- event recognition
- event detection
- video event
- video data
- video sequences
- multimedia
- temporal structure
- video surveillance
- formal semantics
- video streams
- video clips
- real time
- video frames
- soccer video
- supervised learning
- semi supervised
- video analysis
- temporal relations
- temporal events
- video content
- temporal information
- context free grammars
- semantic information
- space time
- model selection
- natural language
- formal languages
- decision trees
- machine learning
- digital video
- multimedia data
- human activities
- deep learning
- video scene
- context free
- complex events