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Source separation contrasts using a reference signal

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3 Author(s)
Adib, A. ; GSCM-Faculte des Sci. de Rabat, Morocco ; Moreau, E. ; Aboutajdine, D.

In this letter, we consider contrast functions, which are useful tools for the sources separation problem. We present new generalized contrasts by considering a so-called reference signal. In particular, this allows us to show that a criterion recently proposed in the literature is a contrast. Furthermore, a link with a joint-diagonalization criterion is also emphasized. Finally, we show that another classical contrast can also be extended by considering a reference signal.

Published in:

Signal Processing Letters, IEEE  (Volume:11 ,  Issue: 3 )