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Noise and spatial resolution of a real-time electrical impedance tomograph

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Published under licence by IOP Publishing Ltd
, , Citation A M Sinton et al 1992 Clin. Phys. Physiol. Meas. 13 125 DOI 10.1088/0143-0815/13/A/024

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1 Department of Medical Physics and Clinical Engineering, Royal Hallamshire Hospital, Sheffield, UK

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0143-0815/13/A/125

Abstract

The Sheffield real-time electrical impedance tomograph produce 25 images per second, using 16 electrodes with adjacent-pair current drive and non-iterative image reconstruction. We describe the data acquisition timing of this instrument and present quantitative measurements of its signal-to-noise ratio and spatial resolution.

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