316 search results - page 31 / 64 » Approximation algorithms for hierarchical location problems |
CVPR
2010
IEEE
14 years 3 months ago
2010
IEEE
We consider pixel labeling problems where the label set
forms a tree, and where the observations are also labels.
Such problems arise in feature-space analysis with a very
large...
TON
2010
13 years 5 months ago
2010
—One approach to prolong the lifetime of a wireless sensor network (WSN) is to deploy some relay nodes to communicate with the sensor nodes, other relay nodes, and the base stati...
CRV
2007
IEEE
13 years 11 months ago
2007
IEEE
We examine the problem of finding a single meeting location for a group of heterogeneous autonomous mobile robots, such that the total system cost of traveling to the rendezvous i...
ESA
2008
Springer
13 years 9 months ago
2008
Springer
For several NP-hard network design problems, the best known approximation algorithms are remarkably simple randomized algorithms called Sample-Augment algorithms in [11]. The algor...
ICDE
2006
IEEE
14 years 1 months ago
2006
IEEE
The spatio-temporal information of a video object is important for content-based video retrieval. In this paper the spatio-temporal information of a video object, such as the velo...