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120
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ICASSP
2011
IEEE
14 years 6 months ago
Promoting convergence in multi-channel blind signal separation using PNLMS
The proportionate normalized least-mean squares (PNLMS) adaptation algorithm exploits the sparse nature of acoustic impulse responses and assigns adaptation gain proportional to t...
Muhammad Z. Ikram
117
Voted
ICASSP
2009
IEEE
15 years 9 months ago
RLS-weighted Lasso for adaptive estimation of sparse signals
The batch least-absolute shrinkage and selection operator (Lasso) has well-documented merits for estimating sparse signals of interest emerging in various applications, where obse...
Daniele Angelosante, Georgios B. Giannakis
112
Voted
ICASSP
2009
IEEE
15 years 9 months ago
DOA estimation of quasi-stationary signals via Khatri-Rao subspace
This paper addresses the problem of direction-of-arrival (DOA) estimation of quasi-stationary signals, which finds applications in array processing of speech and audio. By studyi...
Wing-Kin Ma, Tsung-Han Hsieh, Chong-Yung Chi
99
Voted
ICIAP
2003
ACM
16 years 2 months ago
Multimodal biometric authentication using quality signals in mobile communications
The elements of multimodal authentication along with system models are presented. These include the machine experts as well as machine supervisors. In particular fingerprint and s...
Josef Bigün, Julian Fiérrez-Aguilar, J...
132
Voted
ICASSP
2011
IEEE
14 years 6 months ago
Sparse decomposition of transformation-invariant signals with continuous basis pursuit
Consider the decomposition of a signal into features that undergo transformations drawn from a continuous family. Current methods discretely sample the transformations and apply s...
Chaitanya Ekanadham, Daniel Tranchina, Eero P. Sim...