26 search results - page 2 / 6 » Descent for Discrete (Co)fibrations |
EMMCVPR
2011
Springer
12 years 6 months ago
2011
Springer
Abstract. The Mumford-Shah model has been one of the most powerful models in image segmentation and denoising. The optimization of the multiphase Mumford-Shah energy functional has...
CORR
2008
Springer
13 years 6 months ago
2008
Springer
In this paper, we present several descent methods that can be applied to nonnegative matrix factorization and we analyze a recently developped fast block coordinate method. We als...
CP
1999
Springer
13 years 10 months ago
1999
Springer
In this paper we present a Lagrange-multiplier formulation of discrete constrained optimization problems, the associated discrete-space first-order necessary and sufficient condit...
CORR
2006
Springer
13 years 6 months ago
2006
Springer
This paper addresses the issue of policy evaluation in Markov Decision Processes, using linear function approximation. It provides a unified view of algorithms such as TD(), LSTD()...
INFOCOM
2007
IEEE
14 years 16 days ago
2007
IEEE
—We study the problem of landmark selection for landmark-based routing in a network of fixed wireless communication nodes. We present a distributed landmark selection algorithm ...