A PARAFAC decomposition based algorithm for blind MIMO source separation

被引：0
|
作者：
Dubroca, Remi [1 ]
De Luigi, Christophe [1 ]
Moreau, Eric [1 ]
机构：
[1] Univ Sud Toulon Var, ISITV, LSEET UMR CNRS 6017, F-83162 La Valette Du Var, France
来源：
2009 3RD IEEE INTERNATIONAL WORKSHOP ON COMPUTATIONAL ADVANCES IN MULTI-SENSOR ADAPTIVE PROCESSING (CAMSAP) | 2009年
关键词：
Blind Source Separation; Higher Order Statistics; PARAFAC Decomposition; CONVOLUTIVE MIXTURES; DECONVOLUTION; SYSTEMS;
D O I：
暂无
中图分类号：
TM [电工技术]; TN [电子技术、通信技术];
学科分类号：
0808 ; 0809 ;
摘要：
The paper deals with the problem of blind source separation after a MIMO convolutive mixture. We propose an algorithm for the simultaneous extraction of all the sources. It is based on the PARAFAC decomposition of a tensor built from the observations and from so called reference signals. In particular this algorithm allows to overcome the classical drawbacks of the deflation approach in the sequential separation scheme. The order of the PARAFAC decomposition depends on the mixture parameters, the extraction filter length and the number of sources. Then a selection among these PARAFAC factors is proposed, in order to obtain the different sources. A fixed point method improves then the estimation performances iteratively. Computer simulations illustrate the good behavior and the interest of our algorithm in comparison with other approaches.
引用
收藏
页码：93 / 96
页数：4
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