A general algebraic algorithm for blind extraction of one source in a MIMO convolutive mixture

Abstract : The paper deals with the problem of blind source extraction from a MIMO convolutive mixture. We define a new criterion for source extraction which uses higher-order contrast functions based on so called reference signals. It generalizes existing reference-based contrasts. In order to optimize the new criterion, we propose a general algebraic algorithm based on best rank-1 tensor approximation. Computer simulations illustrate the good behavior and the interest of our algorithm in comparison with other approaches.
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Rémi Dubroca, Christophe de Luigi, Marc Castella, Eric Moreau. A general algebraic algorithm for blind extraction of one source in a MIMO convolutive mixture. IEEE Transactions on Signal Processing, Institute of Electrical and Electronics Engineers, 2010, 58 (5), pp.2484-2493. ⟨10.1109/TSP.2010.2042487⟩. ⟨hal-00561876⟩

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