132 search results - page 3 / 27 » Sparse Boolean Matrix Factorizations |
ICASSP
2011
IEEE
12 years 10 months ago
2011
IEEE
While nonnegative matrix factorization (NMF) has successfully been applied for gain-robust multi-pitch detection, a method to track pitch values over time was not provided. We emb...
JMLR
2006
2006
Learning Sparse Representations by Non-Negative Matrix Factorization and Sequential Cone Programming
13 years 6 months ago
We exploit the biconvex nature of the Euclidean non-negative matrix factorization (NMF) optimization problem to derive optimization schemes based on sequential quadratic and secon...
CORR
2008
Springer
13 years 6 months ago
2008
Springer
We present a convex formulation of dictionary learning for sparse signal decomposition. Convexity is obtained by replacing the usual explicit upper bound on the dictionary size by...
SC
2009
ACM
14 years 1 months ago
2009
ACM
CSB
2005
IEEE
13 years 12 months ago
2005
IEEE
