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- W2105461944 abstract "In order to perform separation of a mixture of sources, an interesting approach is to maximise a contrast function: e.g. the contrast of Comon. This paper brings two novel contributions (i) a novel algorithm as proposed in order to adaptively maximise Comon's contrast. However it requires a preprocessing whitening operation which is awkward when the mixture is ill-conditioned. (ii) A new criterion is defined that is free of the prewhitening step. In the case of two sources it can be proved that this criterion is a contrast. This contrast can also be adaptively maximized and has the additional advantage not to require identical signs for the fourth-order cumulants of the sources. Achievement of these two adaptive algorithms is demonstrated using a new performance index.< <ETX xmlns:mml=http://www.w3.org/1998/Math/MathML xmlns:xlink=http://www.w3.org/1999/xlink>></ETX>" @default.
- W2105461944 created "2016-06-24" @default.
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- W2105461944 date "2002-12-17" @default.
- W2105461944 modified "2023-09-30" @default.
- W2105461944 title "A one stage self-adaptive algorithm for source separation" @default.
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- W2105461944 doi "https://doi.org/10.1109/icassp.1994.390093" @default.
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