Optimal combination of fourth-order cumulant based contrasts for blind separation of noncircular signals

Authors:
Christophe De Luigi;Eric Moreau
Affiliations:
Aix Marseille Université, CNRS, ENSAM, LSIS, UMR 7296, 13397 Marseille, France and Université de Toulon, CNRS, LSIS, UMR 7296, 83957 La Garde, France;Aix Marseille Université, CNRS, ENSAM, LSIS, UMR 7296, 13397 Marseille, France and Université de Toulon, CNRS, LSIS, UMR 7296, 83957 La Garde, France
Venue:
Signal Processing
Year:
2013

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Abstract

In this paper, we have considered the problem of blind source separation of noncircular signals. We have proposed a new Jacobi-like algorithm that achieves optimization of the optimal combination of complex fourth-order cumulant based contrasts. We have investigated the application to separation of non-Gaussian sources using fourth order cumulants. And computer simulations applied to noncircular signals illustrate the proposed approach.