207 search results - page 24 / 42 » A Fast and Accurate Faces Localization using Gradient Method |
SIAMSC
2010
13 years 2 months ago
2010
In this paper we proposed quasi-Newton and limited memory quasi-Newton methods for objective functions defined on Grassmannians or a product of Grassmannians. Specifically we defin...
CVPR
2012
IEEE
11 years 10 months ago
2012
IEEE
We are interested in a general alpha matting approach for the simultaneous extraction of multiple image layers; each layer may have disjoint segments for material matting not limi...
CVPR
2006
IEEE
14 years 9 months ago
2006
IEEE
We present a new method for training deformable models. Assume that we have training images where part locations have been labeled. Typically, one fits a model by maximizing the l...
TIP
2002
13 years 7 months ago
2002
In this paper, we examine the problem of locating an object in an image when size and rotation are unknown. Previous work has shown that with known geometric parameters, an image r...
TMI
2008
13 years 7 months ago
2008
Abstract--This paper introduces and analyzes a linear minimum mean square error (LMMSE) estimator using a Rician noise model and its recursive version (RLMMSE) for the restoration ...