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We present a general theory for the closed-form parametric estimation of the unitary mixing matrix after prewhitening in the blind separation of source signals. The proposed methodology is based on the maximization of referenced contrast. We present a general method to construct a referenced contrast functions for blind source separation. It is based on an integration of a reference system to the separating scheme. Simulations in a variety of separation scenarios assess and validate the method studied.
Signal Processing and Its Applications, 2003. Proceedings. Seventh International Symposium on (Volume:2 )
Date of Conference: 1-4 July 2003