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- W2117035706 abstract "A method to perform convolutive blind source separation of super-Gaussian sources by minimizing the mutual information between segments of output signals is presented. The proposed approach is essentially an implementation of an idea previously proposed by Pham. The formulation of mutual information in the proposed criterion makes use of a nonparametric estimator of Renyi's /spl alpha/-entropy, which becomes Shannon's entropy in the limit as /spl alpha/ approaches 1. Since /spl alpha/ can be any number greater than 0, this produces a family of criteria having an infinite number of members. Interestingly, it appears that Shannon's entropy cannot be used for convolutive source separation with this type of estimator. In fact, only one value of /spl alpha/ appears to be appropriate, namely /spl alpha/=2, which corresponds to Renyi's quadratic entropy. Four experiments are included to show the efficacy of the proposed criterion." @default.
- W2117035706 created "2016-06-24" @default.
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- W2117035706 date "2005-10-01" @default.
- W2117035706 modified "2023-09-26" @default.
- W2117035706 title "Convolutive blind source separation by minimizing mutual information between segments of signals" @default.
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- W2117035706 doi "https://doi.org/10.1109/tcsi.2005.852915" @default.
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