26 search results - page 2 / 6 » RLS-weighted Lasso for adaptive estimation of sparse signals |
ICASSP
2011
IEEE
12 years 9 months ago
2011
IEEE
This paper presents a novel time-adaptive estimation technique by revisiting the classical Wiener-Hopf equation. Any convex and not necessarily differentiable function can be used...
TSP
2010
13 years 4 days ago
2010
TIP
2010
13 years 5 days ago
2010
We introduce a class of inverse problem estimators computed by mixing adaptively a family of linear estimators corresponding to different priors. Sparse mixing weights are calcula...
IDA
2009
Springer
14 years 21 hour ago
2009
Springer
Abstract. We apply sparse, fast and flexible adaptive lapped orthogonal transforms to underdetermined audio source separation using the time-frequency masking framework. This norm...
ICASSP
2008
IEEE
13 years 12 months ago
2008
IEEE
A phase synchronizationmethod, which provides non-uniform frequency offset compensation needed for wideband OFDM [1], is coupled with low-complexity channel estimation in the time...