83 search results - page 17 / 17 » A Multilevel Approach For Nonnegative Matrix Factorization |
SIAMSC
2008
13 years 8 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 10 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 9 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...