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Vector or scalar magnetometer arrays?

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2 Author(s)
Bradshaw, L.A. ; Dept. of Phys. & Astron., Vanderbilt Univ., Nashville, TN, USA ; Wikswo, J.P., Jr.

We determined the information content in magnetometer arrays with different orientations and array densities from five potential current sources of biomagnetic fields. Using the inverse condition number of the modified lead field matrix (mLFM), we found that tangential or full vector component recordings provide more information about underlying sources of current in all but the simplest current distributions. This condition number method facilitates magnetometer designs that provide optimal accuracy of inverse solutions

Published in:

[Engineering in Medicine and Biology, 1999. 21st Annual Conference and the 1999 Annual Fall Meetring of the Biomedical Engineering Society] BMES/EMBS Conference, 1999. Proceedings of the First Joint  (Volume:2 )

Date of Conference:

Oct 1999

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