Single channel blind source separation based local mean decomposition for biomedical applications

Publisher:
IEEE
Publication Type:
Conference Proceeding
Citation:
Proceedings of the 35th Annual International Conference of the IEEE Engineering in Medicine and Biology Society, 2013, pp. 6812 - 6815
Issue Date:
2013-01
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Single Channel Blind Source Separation (SCBSS) is an extreme case of underdetermined (more sources and fewer sensors) Blind Source Separation (BSS) problem. In this paper, we propose a novel technique using Local Mean Decomposition (LMD) and Independent Component Analysis (ICA) combined with single channel BSS (LMD_ICA). First, the LMD was used to decompose the single channel source into a series of data sequences, which are called as Product Functions (PF), then, ICA algorithm was used to process PFs to get similar independent components and extract the original signals. A comparison was made between LMD_ICA and previously proposed single channel ICA method (EEMD_ICA). The real time experimental results demonstrated the advantage of the proposed single channel source separation method for artifact removal and in biomedical source separation applications.
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