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TASLP
2010
138views more  TASLP 2010»
13 years 2 months ago
Glimpsing IVA: A Framework for Overcomplete/Complete/Undercomplete Convolutive Source Separation
Abstract--Independent vector analysis (IVA) is a method for separating convolutedly mixed signals that significantly reduces the occurrence of the well-known permutation problem in...
Alireza Masnadi-Shirazi, Wenyi Zhang, Bhaskar D. R...
ICHIM
2001
94views more  ICHIM 2001»
13 years 9 months ago
The Niupepa Collection: Opening the Blinds on a Window to the Past
This paper describes the construction and initial usage of a digital library collection of historical newspapers written in the Maori language. The newspapers (Niupepa in Maori) t...
Te Taka Keegan, Mark D. Apperley, Sally Jo Cunning...
ICIP
2009
IEEE
14 years 8 months ago
An Overview Of Inverse Problem Regularization Using Sparsity
Sparsity constraints are now very popular to regularized inverse problems. We review several approaches which have been proposed in the last ten years to solve inverse problems su...
VTC
2008
IEEE
107views Communications» more  VTC 2008»
14 years 1 months ago
TOA Estimation Enhancement based on Blind Calibration of Synthetic Arrays
—The accuracy of Time of Arrival (TOA) measurements is significantly compromised due to the multipath components which coexist with the desired Line of Sight (LOS) components in ...
Ali Broumandan, John Nielsen, Gérard Lachap...
INTERSPEECH
2010
13 years 2 months ago
Convexity and fast speech extraction by split bregman method
A fast speech extraction (FSE) method is presented using convex optimization made possible by pause detection of the speech sources. Sparse unmixing filters are sought by l1 regul...
Meng Yu, Wenye Ma, Jack Xin, Stanley Osher