316 search results - page 27 / 64 » Approximation algorithms for hierarchical location problems |
ICIP
2008
IEEE
14 years 2 months ago
2008
IEEE
In this paper we propose a novel algorithm for super resolution based on total variation prior and variational distribution approximations. We formulate the problem using a hierar...
COCOA
2008
Springer
13 years 9 months ago
2008
Springer
The problem of interest is covering a given point set with homothetic copies of several convex containers C1,...,Ck, while the objective is to minimize the maximum over the dilatat...
EDBT
2006
ACM
14 years 7 months ago
2006
ACM
Recent years have seen growing interest in effective algorithms for summarizing and querying massive, high-speed data streams. Randomized sketch synopses provide accurate approxima...
COMPGEOM
2008
ACM
13 years 9 months ago
2008
ACM
We introduce a hierarchical partitioning scheme of the Euclidean plane, called circular partitions. Such a partition consists of a hierarchy of convex polygons, each having small ...
SIGMOD
2001
ACM
14 years 7 months ago
2001
ACM
In this paper, we investigate how to scale hierarchical clustering methods (such as OPTICS) to extremely large databases by utilizing data compression methods (such as BIRCH or ra...