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Electrode Placement Strategies for 3D EIT B.M. Graham, A. Adler

Summary: Electrode Placement Strategies for 3D EIT
B.M. Graham, A. Adler
School of Information Technology and Engineering (SITE), University of Ottawa, Canada
Abstract--We test strategies for placing EIT electrodes on
a 3D medium for the purpose of calculating 3D reconstructions
using clinical equipment intended for use with a 2D adjacent
drive protocol. The goal of this work was to compare seven
such strategies in order to determine if any were clearly
superior to the others for clinical applications. For the limited
set of strategies investigated, none were significantly better
than the others in terms of performance under ideal
conditions. However, when noise and electrode placement
errors were considered the Planar Electrode Placement
Strategy emerged as a recommended strategy for clinical use.
EIT attempts to calculate a stable and accurate image of
the conductivity or conductivity change within a medium
from which electrical measurements are made on the
medium boundary. Electrode placement for 2D
reconstruction algorithms is confined to planar


Source: Adler, Andy - Department of Systems and Computer Engineering, Carleton University


Collections: Computer Technologies and Information Sciences