Sciweavers

33 search results - page 4 / 7
» Approximating Latin Square Extensions
Sort
View
169
Voted
WINE
2010
Springer
220views Economy» more  WINE 2010»
15 years 11 days ago
Threshold Models for Competitive Influence in Social Networks
The problem of influence maximization deals with choosing the optimal set of nodes in a social network so as to maximize the resulting spread of a technology (opinion, productowne...
Allan Borodin, Yuval Filmus, Joel Oren
158
Voted
SIAMSC
2011
148views more  SIAMSC 2011»
14 years 9 months ago
Bootstrap AMG
We develop an algebraic multigrid (AMG) setup scheme based on the bootstrap framework for multiscale scientific computation. Our approach uses a weighted least squares definition...
Achi Brandt, James J. Brannick, K. Kahl, Irene Liv...
116
Voted
ICIP
1995
IEEE
15 years 6 months ago
Multigrid adaptive image processing
We consider a general weighted least squares approximation problem with a membrane spline regularization term. The key parameters in this formulation are the weighting factors whi...
Michael Unser
154
Voted
ICASSP
2009
IEEE
15 years 8 days ago
Weighted nonnegative matrix factorization
Nonnegative matrix factorization (NMF) is a widely-used method for low-rank approximation (LRA) of a nonnegative matrix (matrix with only nonnegative entries), where nonnegativity...
Yong-Deok Kim, Seungjin Choi
132
Voted
IPMI
2005
Springer
15 years 8 months ago
Robust Nonrigid Multimodal Image Registration Using Local Frequency Maps
Automatic multi-modal image registration is central to numerous tasks in medical imaging today and has a vast range of applications e.g., image guidance, atlas construction, etc. ...
Bing Jian, Baba C. Vemuri, José L. Marroqu&...