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ICASSP
2009
IEEE
14 years 1 months ago
A low complexity Orthogonal Matching Pursuit for sparse signal approximation with shift-invariant dictionaries
We propose a variant of Orthogonal Matching Pursuit (OMP), called LoCOMP, for scalable sparse signal approximation. The algorithm is designed for shift-invariant signal dictionari...
Boris Mailhé, Rémi Gribonval, Fr&eac...
ICASSP
2009
IEEE
14 years 1 months ago
Expectation-maximization algorithm for multi-pitch estimation and separation of overlapping harmonic spectra
This paper addresses the problem of multi-pitch estimation, which consists in estimating the fundamental frequencies of multiple harmonic sources, with possibly overlapping partia...
Roland Badeau, Valentin Emiya, Bertrand David
ICASSP
2009
IEEE
14 years 1 months ago
Distributed parameter estimation with selective cooperation
This paper proposes selective update and cooperation strategies for parameter estimation in distributed adaptive sensor networks. A setmembership filtering approach is employed t...
Stefan Werner, Yih-Fang Huang, Marcello L. R. de C...
ICASSP
2009
IEEE
14 years 1 months ago
THE SRI NIST 2008 speaker recognition evaluation system
The SRI speaker recognition system for the 2008 NIST speaker recognition evaluation (SRE) incorporates a variety of models and features, both cepstral and stylistic. We highlight ...
Sachin S. Kajarekar, Nicolas Scheffer, Martin Grac...
ICASSP
2009
IEEE
14 years 1 months ago
Evaluating digital audio authenticity with spectral distances and ENF phase change
This paper discusses the use of spectral distances obtained from adaptive filters employed as linear predictors and phase change of the electric network frequency to evaluate dig...
Daniel Patricio Nicolalde, Jose Antonio Apolinario