14739 search results - page 2948 / 2948 » An optimization problem on the sphere |
ICIP
1997
IEEE
14 years 6 months ago
1997
IEEE
We present a new approach based on Partial Differential Equations (PDE) to restore noisy blurred images. After studying the methods to denoise images, staying as close as possible...
STOC
2009
ACM
14 years 5 months ago
2009
ACM
The paper concerns graph spanners that are resistant to vertex or edge failures. Given a weighted undirected n-vertex graph G = (V, E) and an integer k 1, the subgraph H = (V, E ...
PODS
2009
ACM
14 years 5 months ago
2009
ACM
The B-tree is a fundamental external index structure that is widely used for answering one-dimensional range reporting queries. Given a set of N keys, a range query can be answere...
CONEXT
2009
ACM
13 years 6 months ago
2009
ACM
We consider the problem of providing ubiquitous yet affordable Internet connectivity to devices at home, at work, and on the move. In this context, we take advantage of two signif...