3 papers
math.NA2026
Local electrical impedance tomography via projections
A. Jääskeläinen, A. Vavilov, J. Toivanen +3
This paper introduces a method for approximately eliminating the effect that conductivity changes outside the region of interest have in electrical impedance tomography, allowing t…
math.NA2024
Projection-based preprocessing for electrical impedance tomography to reduce the effect of electrode contacts
Altti Jääskeläinen, Jussi Toivanen, Asko Hänninen +2
This work introduces a method for preprocessing measurements of electrical impedance tomography to considerably reduce the effect uncertainties in the electrode contacts have on th…
eess.IV2024
Graph convolutional networks enable fast hemorrhagic stroke monitoring with electrical impedance tomography
J. Toivanen, V. Kolehmainen, A. Paldanius +3
Objective: To develop a fast image reconstruction method for stroke monitoring with electrical impedance tomography with image quality comparable to computationally expensive nonli…