83 search results - page 17 / 17 » A Multilevel Approach For Nonnegative Matrix Factorization |
SIAMSC
2008
13 years 4 months ago
2008
The convergence of Multigrid methods can be analyzed based on a Fourier analysis of the method or by proving certain inequalities that have to be fulfilled by the smoother and by t...
CVPR
2006
IEEE
14 years 7 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 6 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...