332 search results - page 40 / 67 » Convexity, Duality and Effects |
TIP
2010
13 years 2 months ago
2010
Nonconvex nonsmooth regularization has advantages over convex regularization for restoring images with neat edges. However, its practical interest used to be limited by the difficu...
ICASSP
2011
IEEE
12 years 11 months ago
2011
IEEE
This paper is concerned with the estimation of the directionsof-arrival (DOA) of narrowband sources using a sparse spatial spectral model, when the model itself is not precise. Wh...
ICASSP
2011
IEEE
12 years 11 months ago
2011
IEEE
We applied a multiple kernel learning (MKL) method based on information-theoretic optimization to speaker recognition. Most of the kernel methods applied to speaker recognition sy...
ICASSP
2011
IEEE
12 years 11 months ago
2011
IEEE
1 A relay station (RS)-based cellular system deployment is considered, where multiple base stations (BS) cooperate in the BSRS in-band transmission for the downlink. With the joint...
ICASSP
2011
IEEE
12 years 11 months ago
2011
IEEE
In this paper, a new adaptive beamforming algorithm with joint robustness against covariance matrix uncertainty as well as steering vector mismatch is proposed. First, the theoret...