107 search results - page 22 / 22 » Descent methods for Nonnegative Matrix Factorization |
UAI
2003
13 years 6 months ago
2003
Many practitioners who use EM and related algorithms complain that they are sometimes slow. When does this happen, and what can be done about it? In this paper, we study the gener...
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...