2010
DOI: 10.1109/tsp.2010.2042487
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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 approache… Show more

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Cited by 13 publications
(10 citation statements)
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“…These criteria are known to provide good results. On the other hand, contrast functions referred to as "referencebased" have been recently proposed [11], [12]. They are particularly appealing because the corresponding maximization problem is quadratic with respect to the searched parameters.…”
Section: A Generalitiesmentioning
confidence: 99%
“…These criteria are known to provide good results. On the other hand, contrast functions referred to as "referencebased" have been recently proposed [11], [12]. They are particularly appealing because the corresponding maximization problem is quadratic with respect to the searched parameters.…”
Section: A Generalitiesmentioning
confidence: 99%
“…In this case, the sources undergo propagation time delay and reverberation which results in convolutive mixing. In the recent decades, various approaches have been proposed to deal with this case and they basically fall into two categories: time domain [8,9] and frequency domain [10][11][12] algorithms. Time domain methods are mainly inspired by the existing blind deconvolution methods and the solutions usually require intensive computations due to the relationship of filter coefficients with each other.…”
Section: Introductionmentioning
confidence: 99%
“…On the other hand, contrast functions referred to as "reference-based" have been recently proposed [19], [20]. The output variables in the traditional contrast functions are decoupled into several relatively independent ones, so it is the same with extraction vectors.…”
Section: Introductionmentioning
confidence: 99%