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Wavelet domain natural gradient algorithm for blind source separation of non-stationary sources

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2 Author(s)
Jafari, M.G. ; Centre for Digital Signal Process. Res., King''s Coll., London, UK ; Chambers, J.A.

A wavelet domain approach to blind source separation which avoids the permutation problem in transfer domain operation, and yields improved convergence rate for certain non-stationary signals, is introduced. The wavelet transform also facilitates noise reduction, further improving performance of the natural gradient algorithm

Published in:

Electronics Letters  (Volume:38 ,  Issue: 14 )

Date of Publication:

4 Jul 2002

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