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Blind source separation of periodic sources from sequentially recorded instantaneous mixtures

Abstract : We consider the separation of sources when only one movable sensor is available to record a set of mixtures at distinct locations. A single mixture signal is acquired, which is firstly segmented. Then, based on the assumption that the underlying sources are temporally periodic, we align the resulting signals and form a measurement vector on which source separation can be performed. We demonstrate that this approach can successfully recover the original sources both when working with simulated data, and for a real problem of heart sound separation.
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https://hal.inria.fr/hal-00700387
Contributor : Jules Espiau de Lamaestre <>
Submitted on : Tuesday, May 22, 2012 - 5:45:07 PM
Last modification on : Tuesday, October 28, 2014 - 5:46:14 PM

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  • HAL Id : hal-00700387, version 1

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Maria Jafari, F.L. Hedayioglu, M.T. Coimbra, Mark Plumbley. Blind source separation of periodic sources from sequentially recorded instantaneous mixtures. Image and Signal Processing and Analysis (ISPA), 2011 7th International Symposium on, Sep 2011, Dubrovnik, Croatia. ⟨hal-00700387⟩

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