1888 search results - page 233 / 378 » Algorithms for Querying by Spatial Structure |
MM
2006
ACM
14 years 3 months ago
2006
ACM
Conventional wide-area video surveillance systems use a network of fixed cameras positioned close to locations of interest. We describe an alternative and flexible approach to w...
VDA
2010
13 years 11 months ago
2010
While there have been intensive efforts in developing better 3D flow visualization techniques, little attention has been paid to the design of better user interfaces and more effe...
JAIR
2008
13 years 9 months ago
2008
In order for agents to act on behalf of users, they will have to retrieve and integrate vast amounts of textual data on the World Wide Web. However, much of the useful data on the...
SIGGRAPH
2010
ACM
14 years 1 months ago
2010
ACM
We present a micropolygon ray tracing algorithm that is capable of efficiently rendering high quality defocus and motion blur effects. A key component of our algorithm is a BVH (...
EDBT
2008
ACM
14 years 9 months ago
2008
ACM
The spatial and temporal databases have been studied widely and intensively over years. In this paper, we study how to answer queries of finding the best departure time that minim...