Direction-based vacancy queries in camera sensor networks.
Xi GuoXiaochun YangHuaijie ZhuYakun BuPublished in: World Wide Web (2019)
Keyphrases
- sensor networks
- aggregation queries
- reduce communication cost
- camera network
- wireless sensor networks
- sensor data
- communication cost
- environmental monitoring
- query language
- response time
- data collection
- energy consumption
- energy efficient
- sensor nodes
- query processing
- resource constrained
- underwater acoustic
- base station
- data streams
- real time
- database
- camera calibration
- sensor readings
- network connectivity
- data aggregation
- energy efficiency
- routing protocol
- key establishment
- data gathering
- data transmission
- mobile sensor networks
- heterogeneous sensor networks
- surveillance system
- multiple cameras
- field of view
- data dissemination
- database queries
- constraint databases
- energy aware
- pairwise
- multi camera