Detecting group interactions by online association of trajectory data.
Fan ChenAndrea CavallaroPublished in: ICASSP (2013)
Keyphrases
- trajectory data
- online collaborative learning
- face to face interactions
- road network
- moving object trajectories
- traffic management
- moving objects
- mobility data
- group learning
- space time
- online learning
- spatial data
- group members
- temporal information
- computer supported collaborative learning
- group activities
- privacy preserving
- group discussion
- three dimensional
- k nearest neighbor