382 search results - page 9 / 77 » Gradient estimation in global optimization algorithms |
80
Voted
SCL
2008
14 years 11 months ago
2008
A deterministic attitude estimation problem for a rigid body in a potential field, with bounded attitude and angular velocity measurement errors is considered. An attitude estimat...
128
click to vote
CVPR
2012
IEEE
13 years 2 months ago
2012
IEEE
The projections of world parallel lines in an image intersect at a single point called the vanishing point (VP). VPs are a key ingredient for various vision tasks including rotati...
75
Voted
ICIP
2009
IEEE
14 years 9 months ago
2009
IEEE
In this paper a novel direction adaptive super-resolution (SR) image reconstruction method is proposed. The proposed maximum a-posteriori (MAP) based estimator uses gradient direc...
CVPR
2010
IEEE
15 years 7 months ago
2010
IEEE
Image alignment in the presence of non-rigid distortions is a challenging task. Typically, this involves estimating the parameters of a dense deformation field that warps a disto...
112
click to vote
ICIAP
2005
ACM
15 years 11 months ago
2005
ACM
Abstract. We present a technique that achieves local contrast enhancement by representing it as an optimization problem. For this, we first introduce a scalar objective function th...