91 search results - page 7 / 19 » Blind noise variance estimation for OFDMA signals |
SCALESPACE
2001
Springer
15 years 4 months ago
2001
Springer
We develop a novel time-selection strategy for iterative image restoration techniques: the stopping time is chosen so that the correlation of signal and noise in the filtered imag...
ICASSP
2011
IEEE
14 years 3 months ago
2011
IEEE
In this paper, we present the Gauss-Newton method as a unified approach to optimizing non-linear noise compensation models, such as vector Taylor series (VTS), data-driven parall...
CORR
2011
Springer
14 years 6 months ago
2011
Springer
—When is optimal estimation linear? It is well-known that, in the case of a Gaussian source contaminated with Gaussian noise, a linear estimator minimizes the mean square estimat...
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TSP
2011
14 years 6 months ago
2011
—In this paper, a novel algorithm to blindly separate an instantaneous linear underdetermined mixture of nonstationary sources is proposed. It means that the number of sources ex...
ICA
2010
Springer
15 years 23 days ago
2010
Springer
Abstract. This paper presents crystal-MUSIC, a method for DOA estimation of multiple sources in the presence of diffuse noise. MUSIC is well known as a method for the estimation of...