10 search results - page 1 / 2 » Sparse Density Estimation with l1 Penalties |
COLT
2007
Springer
13 years 11 months ago
2007
Springer
ICASSP
2011
IEEE
12 years 8 months ago
2011
IEEE
Reduced rank regression (RRR) has found application in various fields of signal processing. In this paper we propose a novel extension of the RRR model which we call sparse varia...
ICML
2009
IEEE
14 years 5 months ago
2009
IEEE
Recent work has shown that one can learn the structure of Gaussian Graphical Models by imposing an L1 penalty on the precision matrix, and then using efficient convex optimization...
CISS
2008
IEEE
13 years 11 months ago
2008
IEEE
—In this paper we present an Information Theoretic Estimator for the number of sources mutually disjoint in a linear mixing model. The approach follows the Minimum Description Le...
ICML
2010
IEEE
13 years 5 months ago
2010
IEEE
In Sparse Coding (SC), input vectors are reconstructed using a sparse linear combination of basis vectors. SC has become a popular method for extracting features from data. For a ...