895 search results - page 155 / 179 » Using graphs for some discrete tomography problems |
COMPGEOM
2003
ACM
14 years 20 days ago
2003
ACM
We develop cache-oblivious data structures for orthogonal range searching, the problem of finding all T points in a set of N points in Êd lying in a query hyper-rectangle. Cache...
CVPR
2005
IEEE
14 years 9 months ago
2005
IEEE
Geometric active contours are formulated in a manner which is parametrization independent. As such, they are amenable to representation as the zero level set of the graph of a hig...
PODS
2005
ACM
14 years 7 months ago
2005
ACM
The challenge of monitoring massive amounts of data generated by communication networks has led to the interest in data stream processing. We study streams of edges in massive com...
ACSAC
2007
IEEE
14 years 1 months ago
2007
IEEE
We propose a taxonomy of botnet structures, based on their utility to the botmaster. We propose key metrics to measure their utility for various activities (e.g., spam, ddos). Usi...
CORR
2010
Springer
13 years 7 months ago
2010
Springer
A sender wishes to broadcast a message of length n over an alphabet of size k to r users, where each user i, 1 i r should be able to receive one of possible mi messages. The cha...