Electric properties tomography: Biochemical, physical and technical background, evaluation and clinical applications

U Katscher, CAT van den Berg - NMR in Biomedicine, 2017 - Wiley Online Library
Electric properties tomography (EPT) derives the patient's electric properties, ie conductivity
and permittivity, using standard magnetic resonance (MR) systems and standard MR …

Hybrid tomography for conductivity imaging

T Widlak, O Scherzer - Inverse Problems, 2012 - iopscience.iop.org
Hybrid imaging techniques utilize couplings of physical modalities—they are called hybrid,
because typically, the excitation and measurement quantities belong to different modalities …

Three-dimensional magneto-acousto-electrical tomography (3D MAET) with single-element ultrasound transducer and coded excitation: A phantom validation study

T Sun, L Yu, D Deng, M Yu, Y Chen, C Chang, M Chen… - Neurocomputing, 2023 - Elsevier
Magneto-acousto-electrical tomography (MAET) is a hybrid imaging modality combining the
merits of high contrast and high resolution. Current studies in MAET mainly focus on two …

A DTI-based model for TMS using the independent impedance method with frequency-dependent tissue parameters

N De Geeter, G Crevecoeur, L Dupré… - Physics in Medicine …, 2012 - iopscience.iop.org
Accurate simulations on detailed realistic head models are necessary to gain a better
understanding of the response to transcranial magnetic stimulation (TMS). Hitherto, head …

Magnetic resonance—electrical impedance tomography

BM Eyuboglu, JS Leigh, R Reddy - US Patent 6,397,095, 2002 - Google Patents
A magnetic resonance-electrical impedance tomography (MREIT) technique for determining
the local conductivity of an object. The MREIT technique combines magnetic resonance …

Induced Current Thermo-Electrical Impedance Tomography for Nonferromagnetic Metal Material Surface Defect Profile Reconstruction

X Zhang, L Bai, J Zhang, Y Liang… - IEEE Transactions …, 2023 - ieeexplore.ieee.org
Nonferromagnetic metal materials are widely used in industry. Defects generated during
manufacture and use may lead to serious accidents. The defect reconstruction is important …

Induced current magnetic resonance electrical impedance tomography of brain tissues based on the J-substitution algorithm: a simulation study

Y Liu, S Zhu, B He - Physics in Medicine & Biology, 2009 - iopscience.iop.org
We have investigated induced current magnetic resonance electrical impedance
tomography (IC-MREIT) by means of computer simulations. The J-substitution algorithm was …

bSSFP phase correction and its use in magnetic resonance electrical properties tomography

S Ozdemir, YZ Ider - Magnetic Resonance in Medicine, 2019 - Wiley Online Library
Purpose Balanced steady‐state free precession (bSSFP) sequence is widely used because
of its high SNR and high speed. However, bSSFP images suffer from “banding artifact” …

Feasibility of conductivity imaging using subject eddy currents induced by switching of MRI gradients

OF Oran, YZ Ider - Magnetic Resonance in Medicine, 2017 - Wiley Online Library
Purpose To investigate the feasibility of low‐frequency conductivity imaging based on
measuring the magnetic field due to subject eddy currents induced by switching of MRI z …

A geometrical shift results in erroneous appearance of low frequency tissue eddy current induced phase maps

S Mandija, AL van Lier, U Katscher… - Magnetic …, 2016 - Wiley Online Library
Purpose Knowledge on low frequency (LF) tissue conductivity is relevant for various
biomedical purposes. To obtain this information, LF phase maps arising from time‐varying …