245 search results - page 19 / 49 » Modeling and querying moving objects in networks |
DEXAW
2002
IEEE
15 years 4 months ago
2002
IEEE
We present a method to index objects moving on the plane in order to efficiently answer range queries about their position in the future. This problem is motivated by real-life a...
112
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IS
2007
14 years 11 months ago
2007
Sensors are often employed to monitor continuously changing entities like locations of moving objects and temperature. The sensor readings are reported to a database system, and a...
191
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GIS
2007
ACM
16 years 23 days ago
2007
ACM
Handling streams of positional updates from numerous moving objects has become a challenging task for many monitoring applications. Several algorithms have been recently proposed ...
IPSN
2007
Springer
15 years 5 months ago
2007
Springer
This paper describes a sensor network approach to tracking a single object in the presence of static and moving occluders using a network of cameras. To conserve communication ban...
IJON
2002
14 years 11 months ago
2002
: In this paper we describe a method for tracking walking humans in the visual field. Active contour models are used to track moving objects in a sequence of images. The resulting ...