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ICA
2004
Springer
16 years 25 days ago
Blind Separation of Nonstationary Sources by Spectral Decorrelation
Abstract. This paper demonstrates and exploits some interesting frequency-domain properties of nonstationary signals. Considering these properties, two new methods for blind separa...
Shahram Hosseini, Yannick Deville
TSP
2008
174views more  TSP 2008»
15 years 7 months ago
Complex ICA Using Nonlinear Functions
We introduce a framework based on Wirtinger calculus for nonlinear complex-valued signal processing such that all computations can be directly carried out in the complex domain. Th...
Tülay Adali, Hualiang Li, Mike Novey, J.-F. C...
ICIP
2004
IEEE
16 years 9 months ago
A smart camera for face recognition
There is a rapidly growing demand for using smart cameras for various biometric applications in surveillance. Although having a small form-factor, most of these applications deman...
Ben J. A. Kröse, Harry Broers, Martijn Reuver...
ICASSP
2011
IEEE
14 years 11 months ago
Basis Pursuit in sensor networks
Basis Pursuit (BP) finds a minimum ℓ1-norm vector z that satisfies the underdetermined linear system Mz = b, where the matrix M and vector b are given. Lately, BP has attracte...
João F. C. Mota, João M. F. Xavier, ...
172
Voted
ISCAS
1999
IEEE
88views Hardware» more  ISCAS 1999»
15 years 11 months ago
An implantable mixed analog/digital neural stimulator circuit
Thispaperdescribes achipfor a multichannel neural stimulator for functional electrical stimulation. The chip performs all the signal processing required in an implanted neural sti...
Gunnar Gudnason, Erik Bruun, Morten Haugland