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Subspace based MEG source detection

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5 Author(s)
Rodriguez, A. ; Dept. of Electr. & Comput. Eng., Wisconsin Univ., Madison, WI, USA ; Limpiti, T. ; Baryshnikov, B.V. ; Van Veen, B.D.
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The effect of mapping data into a subspace prior to performing detection of dipolar sources in white noise is assessed in this paper. The subspace transformations are designed to accurately represent sources in a specified region of interest. The transformation attenuates sources outside the region, reducing the sensitivity of the detector to external interference. A statistical analysis of detector performance and illustrative examples are provided.

Published in:

Statistical Signal Processing, 2003 IEEE Workshop on

Date of Conference:

28 Sept.-1 Oct. 2003