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- W2100308385 abstract "In this paper, the problem of the blind separation of independent sources is considered. Our approach relies on high-order inverse criteria. After generalizing the definition of classical contrast functions, we exhibit a wide class of generally nonsymmetrical functions that will be called generalized contrasts and whose maximization is proved to be a sufficient condition for source separation. We also establish a connection with cumulant matching, showing an equivalence between the two approaches. Then, in the case of two sources, a statistical study of the estimated parameter based on one of these new contrasts is presented. Finally, computer simulations illustrate the results and demonstrate all the interest we can find in considering a nonsymmetrical contrast." @default.
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- W2100308385 date "1999-01-01" @default.
- W2100308385 modified "2023-10-14" @default.
- W2100308385 title "Nonsymmetrical contrasts for sources separation" @default.
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- W2100308385 doi "https://doi.org/10.1109/78.774767" @default.
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