Approximation error method for imaging the human head by electrical impedance tomography

V Candiani, N Hyvönen, JP Kaipio… - Inverse …, 2021 - iopscience.iop.org
This work considers electrical impedance tomography imaging of the human head, with the
ultimate goal of locating and classifying a stroke in emergency care. One of the main …

Neural networks for classification of strokes in electrical impedance tomography on a 3D head model

V Candiani, M Santacesaria - arXiv preprint arXiv:2011.02852, 2020 - arxiv.org
We consider the problem of the detection of brain hemorrhages from three dimensional (3D)
electrical impedance tomography (EIT) measurements. This is a condition requiring urgent …

A boundary integral equation method for the complete electrode model in electrical impedance tomography with tests on experimental data

T Tyni, AR Stinchcombe, S Alexakis - SIAM Journal on Imaging Sciences, 2024 - SIAM
We develop a boundary integral equation–based numerical method to solve for the
electrostatic potential in two dimensions, inside a medium with piecewise constant …

Applied machine learning for stroke differentiation by electrical impedance tomography with realistic numerical models

J Culpepper, H Lee, A Santorelli… - Biomedical Physics & …, 2023 - iopscience.iop.org
Electrical impedance tomography (EIT) may have potential to overcome existing limitations
in stroke differentiation, enabling low-cost, rapid, and mobile data collection. Combining …

Simultaneous reconstruction of conductivity, boundary shape, and contact impedances in electrical impedance tomography

JP Agnelli, V Kolehmainen, MJ Lassas, P Ola… - SIAM Journal on Imaging …, 2021 - SIAM
The objective of electrical impedance tomography (EIT) is to reconstruct the internal
conductivity of a physical body based on current and voltage measurements at the boundary …

Anatomical atlas of the upper part of the human head for electroencephalography and bioimpedance applications

FS Moura, RG Beraldo, LA Ferreira… - Physiological …, 2021 - iopscience.iop.org
Objective. The objective of this work is to develop a 4D (3D+ T) statistical anatomical atlas of
the electrical properties of the upper part of the human head for cerebral electrophysiology …

Monitoring hemorrhagic strokes using EIT

J Toivanen, A Hänninen, T Savolainen, N Forss… - Bioimpedance and …, 2021 - Elsevier
In this chapter, we discuss ongoing work on the development of an electrical impedance
tomography (EIT)-based monitoring technology that is intended to be used in intensive care …

Imaging of conductivity distribution based on a combined reconstruction method in brain electrical impedance tomography.

Y Shi, Y Lou, M Wang, S Zheng… - Inverse Problems & …, 2023 - search.ebscohost.com
Electrical impedance tomography (EIT) is a promising technique in medical imaging. With
this technique, pathology-related conductivity variation can be visualized. Nevertheless …

Bayesian experimental design for head imaging by electrical impedance tomography

N Hyvönen, A Jääskeläinen, R Maity, A Vavilov - SIAM Journal on Applied …, 2024 - SIAM
This work considers the optimization of electrode positions in head imaging by electrical
impedance tomography. The study is motivated by maximizing the sensitivity of electrode …

Immersed boundary method for the complete electrode model in electrical impedance tomography

J Dardé, N Nasr, L Weynans - Journal of Computational Physics, 2023 - Elsevier
We propose an immersed boundary scheme for the numerical resolution of the Complete
Electrode Model in Electrical Impedance Tomography, that we use as a main ingredient in …