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Towards a Universal Methodology for Performance Evaluation of Electrical Impedance Tomography Systems using Full Reference SNR

Wu, Y; Jiang, D; Neshatvar, N; Hanzaee, FF; Demosthenous, A; (2020) Towards a Universal Methodology for Performance Evaluation of Electrical Impedance Tomography Systems using Full Reference SNR. In: Proceedings of the 2020 IEEE International Symposium on Circuits and Systems (ISCAS). IEEE: Seville, Spain. Green open access

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Abstract

This paper describes a simple and reproducible methodology towards a universal figure-of-merit (FoM) for evaluating the performance of electrical impedance tomography (EIT) systems using reconstructed images. Based on objective full-referencing and signal-to-noise ratio, the method provides a visually distinguishable hot-map and two new FoM factors, to address the issues where common electrical parameters are not directly related to the quality of EIT images. The paper describes the method with simulation results and develops a 16 electrode EIT system using an ASIC front-end for evaluation using the proposed method. The measured results show both visually and in terms of the proposed FoM factors, the impact on recorded EIT images with different current injection amplitudes.

Type: Proceedings paper
Title: Towards a Universal Methodology for Performance Evaluation of Electrical Impedance Tomography Systems using Full Reference SNR
Event: 2020 IEEE International Symposium on Circuits and Systems (ISCAS)
Dates: 10 October 2020 - 21 October 2020
ISBN-13: 978-1-7281-3320-1
Open access status: An open access version is available from UCL Discovery
DOI: 10.1109/iscas45731.2020.9180503
Publisher version: https://doi.org/10.1109/iscas45731.2020.9180503
Language: English
Additional information: This version is the author accepted manuscript. For information on re-use, please refer to the publisher’s terms and conditions.
Keywords: Electrical impedance tomography (EIT), system performance evaluation, figure-of-merit (FoM)
UCL classification: UCL
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UCL > Provost and Vice Provost Offices > UCL BEAMS > Faculty of Engineering Science
UCL > Provost and Vice Provost Offices > UCL BEAMS > Faculty of Engineering Science > Dept of Electronic and Electrical Eng
URI: https://discovery.ucl.ac.uk/id/eprint/10121771
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