150 search results - page 2 / 30 » Evaluating the spatial indexing of dense point sets |
ICDE
2007
IEEE
14 years 6 months ago
2007
IEEE
Database search for images containing icons with specific mutual spatial relationships can be facilitated by an appropriately structured index. For the case of images containing s...
GIS
2008
ACM
14 years 6 months ago
2008
ACM
An index is devised to support position-independent search for images containing quartets of icons. Point quartets exist that do not unambiguously map to quadrilaterals, however, ...
ICCV
2001
IEEE
14 years 7 months ago
2001
IEEE
In a known environment, objects may be tracked in multiple views using a set of background models. Stereo-based models can be illumination-invariant, but often have undefined valu...
SIGMOD
2009
ACM
14 years 5 months ago
2009
ACM
In this paper, we study a novel form of continuous nearest neighbor queries in the presence of obstacles, namely continuous obstructed nearest neighbor (CONN) search. It considers...
GIS
2005
ACM
14 years 6 months ago
2005
ACM
Recent advances in low-power sensing devices coupled with the widespread availability of wireless ad-hoc networks have fueled the development of sensor networks. These are typical...