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Displaced Electrodes in EIT and Their Influence on Reconstructed Absolute Images

Grant number: 24/06094-1
Support Opportunities:Regular Research Grants
Start date: August 01, 2024
End date: July 31, 2026
Field of knowledge:Engineering - Biomedical Engineering - Bioengineering
Principal Investigator:Marcos de Sales Guerra Tsuzuki
Grantee:Marcos de Sales Guerra Tsuzuki
Host Institution: Escola Politécnica (EP). Universidade de São Paulo (USP). São Paulo , SP, Brazil

Abstract

In the process of obtaining absolute images through Electrical Impedance Tomography (EIT), it is necessary to deal with various sources of error. The reconstruction of absolute images in EIT is only feasible with the use of prior information. In the reconstruction of these images, it is assumed that the position of the electrodes is known. However, this assumption does not always correspond to reality, as the electrodes may be displaced from their ideal positions. This project investigates the feasibility of correcting the electrical potentials in the presence of displaced electrodes, using prior information. For this purpose, both supervised and unsupervised neural networks will be explored. Three approaches to solve the problem of displaced electrodes will be examined: 1. Identification and correction of the displaced electrode; 2. Generic correction of displaced electrodes; and 3. Image reconstruction without making corrections for electrode displacement. (AU)

Articles published in Agência FAPESP Newsletter about the research grant:
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Scientific publications
(References retrieved automatically from Web of Science and SciELO through information on FAPESP grants and their corresponding numbers as mentioned in the publications by the authors)
SILVA, AGESINALDO M., JR.; TANABI, NASER; BARARI, AHMAD; PEREIRA, LUIZ O. V.; BUIOCHI, FLAVIO; TSUZUKI, MARCOS S. G.. A Digital Twin for Detecting Liquid-Liquid Interface in Containers. IFAC PAPERSONLINE, v. 58, n. 19, p. 6-pg., . (24/06094-1)