296 search results - page 50 / 60 » Weighted nonnegative matrix factorization |
STACS
2007
Springer
14 years 1 months ago
2007
Springer
We consider the problem of computing an approximate minimum cycle basis of an undirected non-negative edge-weighted graph G with m edges and n vertices; the extension to directed ...
ICIAP
2005
ACM
14 years 7 months ago
2005
ACM
In order for a subspace projection based method to be robust to local distortion and partial occlusion, the basis images generated by the method should exhibit a part-based local r...
FGR
2008
IEEE
14 years 2 months ago
2008
IEEE
In this paper, we focus on the reliable detection of facial fiducial points, such as eye, eyebrow and mouth corners. The proposed algorithm aims to improve automatic landmarking ...
ISCAS
2006
IEEE
14 years 1 months ago
2006
IEEE
— A subspace supervised learning algorithm named Discriminant Non-negative Matrix Factorization (DNMF) has been recently proposed for classifying human facial expressions. It dec...
ACCV
2006
Springer
14 years 1 months ago
2006
Springer
In this paper, we propose a novel occlusion invariant face recognition algorithm based on Selective Local Nonnegative Matrix Factorization (S-LNMF) technique. The proposed algorith...