335 search results - page 28 / 67 » Non-negative sparse coding |
100
click to vote
JMLR
2010
14 years 4 months ago
2010
We describe a novel inference algorithm for sparse Bayesian PCA with a zero-norm prior on the model parameters. Bayesian inference is very challenging in probabilistic models of t...
IPPS
2006
IEEE
15 years 3 months ago
2006
IEEE
We characterize the performance and power attributes of the conjugate gradient (CG) sparse solver which is widely used in scientific applications. We use cycle-accurate simulatio...
ICASSP
2011
IEEE
14 years 1 months ago
2011
IEEE
In this paper we present a novel approach to describe sound mixtures which is based on a geometric viewpoint. In this approach we extend the idea of a nearest-neighbor representat...
IPPS
2007
IEEE
15 years 4 months ago
2007
IEEE
— We consider memory subsystem optimizations for improving the performance of sparse scientific computation while reducing the power consumed by the CPU and memory. We first co...
100
click to vote
LCPC
1998
Springer
15 years 1 months ago
1998
Springer
There is a class of sparse matrix computations, such as direct solvers of systems of linear equations, that change the fill-in (nonzero entries) of the coefficient matrix, and invo...