39 search results - page 2 / 8 » Trading Accuracy for Sparsity in Optimization Problems with ... |
ICPR
2010
IEEE
13 years 5 months ago
2010
IEEE
—In this paper we propose an approach for the problem of single channel source separation of speech and music signals. Our approach is based on representing each source’s power...
ICCV
2003
IEEE
14 years 6 months ago
2003
IEEE
The problem of selecting a subset of relevant features in a potentially overwhelming quantity of data is classic and found in many branches of science. Examples in computer vision...
CDC
2009
IEEE
13 years 2 months ago
2009
IEEE
In many applicative scenarios it is important to derive information about the topology and the internal connections of more dynamical systems interacting together. Examples can be ...
PKDD
2010
Springer
13 years 2 months ago
2010
Springer
We consider the problem of numerical stability and model density growth when training a sparse linear model from massive data. We focus on scalable algorithms that optimize certain...
SDM
2008
SIAM
13 years 6 months ago
2008
SIAM
In many multiclass learning scenarios, the number of classes is relatively large (thousands,...), or the space and time efficiency of the learning system can be crucial. We invest...