26 search results - page 2 / 6 » RLS-weighted Lasso for adaptive estimation of sparse signals |
ICASSP
2011
IEEE
12 years 10 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 1 months ago
2010
TIP
2010
13 years 1 months 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 1 months 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
14 years 1 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...