26 search results - page 3 / 6 » Descent for Discrete (Co)fibrations |
NIPS
2004
13 years 7 months ago
2004
We develop a family of upper and lower bounds on the worst-case expected KL loss for estimating a discrete distribution on a finite number m of points, given N i.i.d. samples. Our...
ICTAI
2000
IEEE
13 years 10 months ago
2000
IEEE
This paper presents a problem-independent framework that uni es various mechanisms for solving discrete constrained nonlinear programming (NLP) problems whose functions are not ne...
SIAMSC
2008
13 years 5 months ago
2008
We review and compare different computational variational methods applied to a system of fourth order equations that arises as a model of cylinder buckling. We describe both the di...
CVPR
2008
IEEE
14 years 8 months ago
2008
IEEE
Accurate estimation of optical flow is a challenging task, which often requires addressing difficult energy optimization problems. To solve them, most top-performing methods rely ...
IJCV
2011
12 years 9 months ago
2011
We examine the underlying structure of popular algorithms for variational methods used in image processing. We focus here on operator splittings and Bregman methods based on a uniï...