697 search results - page 13 / 140 » Convex Functions on Discrete Sets |
MP
1998
13 years 8 months ago
1998
In recent years second-order sufficient conditions of an isolated local minimizer for convex composite optimization problems have been established. In this paper, second-order opt...
ISVC
2009
Springer
14 years 3 months ago
2009
Springer
Energy functional minimization is a popular technique for medical image segmentation. The segmentation must be initialized, weights for competing terms of an energy functional must...
DCG
2011
13 years 3 months ago
2011
We show that any point in the convex hull of each of (d +1) sets of (d +1) points in general position in Rd is contained in at least (d + 1)2/2 simplices with one vertex from each ...
ICIP
2009
IEEE
14 years 10 months ago
2009
IEEE
Fast level set methods replace continuous PDEs by a discrete formulation, improving the execution times. The regularization in fast level set methods was so far handled indirectly...
BMCBI
2008
13 years 9 months ago
2008
Background: Machine-learning tools have gained considerable attention during the last few years for analyzing biological networks for protein function prediction. Kernel methods a...