Vague continuous K-nearest neighbor queries over moving objects with uncertain velocity in road networks.
Ping FanGuohui LiLing YuanYanhong LiPublished in: Inf. Syst. (2012)
Keyphrases
- road network
- moving objects
- uncertain information
- optical flow
- travel time
- location based services
- uncertain trajectories
- shortest path
- road segments
- trajectory data
- video sequences
- spatio temporal
- transportation networks
- image sequences
- spatial networks
- background subtraction
- spatial databases
- route planning
- detection algorithm
- geographic information systems
- traffic congestion
- video surveillance
- traffic data
- traffic conditions
- spatial queries
- map matching
- objects moving
- motion segmentation