Fundamentals, recent advances, and future challenges in bioimpedance devices for healthcare applications

D Naranjo-Hernández, J Reina-Tosina… - Journal of …, 2019 - Wiley Online Library
This work develops a thorough review of bioimpedance systems for healthcare applications.
The basis and fundamentals of bioimpedance measurements are described covering issues …

[HTML][HTML] 3D electrical impedance tomography reconstructions from simulated electrode data using direct inversion texp and Calderón methods

SJ Hamilton, D Isaacson, V Kolehmainen… - Inverse problems and …, 2021 - ncbi.nlm.nih.gov
The first numerical implementation of at exp method in 3D using simulated electrode data is
presented. Results are compared to Calderón's method as well as more common TV and …

Adaptive reconstruction for electrical impedance tomography with a piecewise constant conductivity

B Jin, Y Xu - Inverse Problems, 2019 - iopscience.iop.org
In this work we propose and analyze a numerical method for electrical impedance
tomography to recover a piecewise constant conductivity from boundary voltage …

Computational framework for applying electrical impedance tomography to head imaging

V Candiani, A Hannukainen, N Hyvonen - SIAM Journal on Scientific …, 2019 - SIAM
This work introduces a computational framework for applying absolute electrical impedance
tomography to head imaging without accurate information on the head shape or the …

Linearization-based direct reconstruction for EIT using triangular Zernike decompositions

A Autio, H Garde, M Hirvensalo, N Hyvönen - arXiv preprint arXiv …, 2024 - arxiv.org
This work implements and numerically tests the direct reconstruction algorithm introduced in
[Garde & Hyv\" onen, SIAM J. Math. Anal., 2024] for two-dimensional linearized electrical …

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 …

Contact adapting electrode model for electrical impedance tomography

J Dardé, N Hyvönen, T Kuutela, T Valkonen - SIAM Journal on Applied …, 2022 - SIAM
Electrical impedance tomography is an imaging modality for extracting information on the
interior structure of a physical body from boundary measurements of current and voltage …

Survey of EIT image reconstruction algorithms

M Zhang, Y Ma, N Huang, H Ge - Journal of Shanghai Jiaotong University …, 2022 - Springer
With the recent promotion of clinical applications of electrical impedance tomography (EIT)
technology, more scholars have begun studying EIT technology. Although the principle of …

An inverse boundary value problem for the p-Laplacian: a linearization approach

A Hannukainen, N Hyvönen, L Mustonen - Inverse Problems, 2019 - iopscience.iop.org
This work tackles an inverse boundary value problem for a p-Laplace type partial differential
equation parametrized by a smoothening parameter. The aim is to numerically test …

On regularity of the logarithmic forward map of electrical impedance tomography

H Garde, N Hyvonen, T Kuutela - SIAM Journal on Mathematical Analysis, 2020 - SIAM
This work considers properties of the logarithm of the Neumann-to-Dirichlet boundary map
for the conductivity equation in a Lipschitz domain. It is shown that the mapping from the …