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Sub-surface electrical conductivity imaging via contactless measurements

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2 Author(s)
N. G. Gencer ; Dept. of Electr. & Electron. Eng., Middle East Tech. Univ., Ankara, Turkey ; M. N. Tek

A new medical imaging modality is introduced to image electrical conductivity of living tissues via contactless measurements. A sensitivity matrix which relates the perturbation in magnetic field measurements to the conductivity perturbations is obtained for a coplanar 7×7-coil array placed nearby the upper surface of a 10×10×5 (cm) conductive body. Images are using truncated pseudo-inverse. It is observed that voxel perturbations at a 2 cm depth can be identified. However, resolution gradually decreases for deeper conductivity perturbations

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