296 search results - page 55 / 60 » Weighted nonnegative matrix factorization |
ISCAS
2008
IEEE
14 years 2 months ago
2008
IEEE
— In this paper, a perturbation analysis of two subspace-based semi-blind MIMO channel estimation approaches is conducted. Our analysis shows that, in the noise-free case, the wh...
WADS
2007
Springer
14 years 1 months ago
2007
Springer
Let G = (V, E) be an weighted undirected graph on n vertices and m edges, and let dG be its shortest path metric. We present two simple deterministic algorithms for approximating ...
CVPR
2006
IEEE
14 years 9 months ago
2006
IEEE
In this paper, we present a novel approach to learning semantic localized patterns with binary projections in a supervised manner. The pursuit of these binary projections is refor...
ICPR
2006
IEEE
14 years 8 months ago
2006
IEEE
Reliable facial expression recognition by machine is still a challenging task. We propose a framework to recognise various expressions by tracking facial features. Our method uses...
AIPR
2003
IEEE
14 years 29 days ago
2003
IEEE
We address the problem of representing multispectral images of objects using eigenviews for recognition purposes. Eigenviews have long been used for object recognition and pose es...