756 search results - page 137 / 152 » Using topology for spatial reasoning |
TMC
2008
14 years 9 months ago
2008
We consider a scenario in which a wireless sensor network is formed by randomly deploying n sensors to measure some spatial function over a field, with the objective of computing a...
CACM
1998
14 years 9 months ago
1998
Abstract. The Virtual Reality Modeling Language (VRML) and Java provide a standardized, portable and platformindependent way to render dynamic, interactive 3D scenes across the Int...
WIOPT
2010
IEEE
14 years 8 months ago
2010
IEEE
We consider the problem of providing opportunistic spectrum access to secondary users in wireless cellular networks. From the standpoint of spectrum license holders, achieving ben...
GIS
2008
ACM
14 years 10 months ago
2008
ACM
The road network is one of the most important types of information on raster maps. In particular, the set of road intersection templates, which consists of the road intersection p...
GIS
2010
ACM
14 years 8 months ago
2010
ACM
We present a method for efficient and reliable geo-positioning of images. It relies on image-based matching of the query images onto a trellis of existing images that provides acc...