130 search results - page 23 / 26 » Wavelet based preconditioners for sparse linear systems |
SGP
2003
13 years 10 months ago
2003
We solve the problem of computing global conformal parameterizations for surfaces with nontrivial topologies. The parameterization is global in the sense that it preserves the con...
PAMI
2010
13 years 7 months ago
2010
—Representative surface reconstruction algorithms taking a gradient field as input enforces the integrability constraint in a discrete manner. While enforcing integrability allo...
INFOCOM
2003
IEEE
14 years 2 months ago
2003
IEEE
— We study the throughput capacity of hybrid wireless networks. A hybrid network is formed by placing a sparse network of base stations in an ad hoc network. These base stations ...
CIMAGING
2009
13 years 10 months ago
2009
The Dantzig selector is a near ideal estimator for recovery of sparse signals from linear measurements in the presence of noise. It is a convex optimization problem which can be r...
NIPS
2007
13 years 10 months ago
2007
Many existing approaches to collaborative filtering can neither handle very large datasets nor easily deal with users who have very few ratings. In this paper we present the Prob...