Evaluation of low-level features and their combinations for complex event detection in open source videos.
Amir TamrakarSaad AliQian YuJingen LiuOmar JavedAjay DivakaranHui ChengHarpreet S. SawhneyPublished in: CVPR (2012)
Keyphrases
- event detection
- video event
- low level features
- mid level
- high level
- event recognition
- video analysis
- video event detection
- higher level
- video surveillance
- video database
- sports video
- low level
- mid level features
- key frames
- semantic gap
- video indexing
- multimedia event detection
- semantic concepts
- visual features
- activity recognition
- image retrieval
- relevance feedback
- video segments
- low level descriptors
- semantic information
- high level semantics
- object recognition
- video frames
- trecvid multimedia event detection
- semantic content
- domain knowledge
- information retrieval
- image annotation
- video data
- visual information