Results 11 to 20 of about 6,126,335 (244)

Electromagnetic inductance tomography (EMT): sensor, electronics and image reconstruction for a system with a rotatable parallel excitation. [PDF]

open access: yes, 1998
The main features and principle of operation of an electromagnetic inductance tomography system are described. The system can image the distribution of electrically conducting and/or magnetically permeable materials and is analogous to the other ...
Peyton, A. J.   +3 more
core   +5 more sources

A New Label-Free and Contactless Bio-Tomographic Imaging with Miniaturized Capacitively-Coupled Spectroscopy Measurements

open access: yesSensors, 2020
A new bio-imaging method has been developed by introducing an experimental verification of capacitively coupled resistivity imaging in a small scale. This paper focuses on the 2D circular array imaging sensor as well as a 3D planar array imaging sensor ...
Gege Ma, Manuchehr Soleimani
doaj   +1 more source

Limited Angle Electrical Resistance Tomography in Wastewater Monitoring

open access: yesSensors, 2020
Electrical resistance tomography (ERT) has been investigated in monitoring conductive flows due to its high speed, non-intrusive and no radiation hazard advantages.
Chenning Wu   +2 more
doaj   +1 more source

Electrical Impedance Tomography: the future of mechanical ventilation?

open access: yesJournal of Mechanical Ventilation, 2021
Electrical Impedance Tomography is a rapidly evolving technology used for bedside lung imaging. Although EIT devices have been commercially available for the past decade, they are still not commonly used in everyday clinical practice.
Melina Simonpietri   +2 more
doaj   +1 more source

Improved hydrogeophysical characterization using joint inversion of cross-hole electrical resistance and ground-penetrating radar traveltime data. [PDF]

open access: yes, 2006
Appropriate regularizations of geophysical inverse problems and joint inversion of different data types improve geophysical models and increase their usefulness in hydrogeological studies.
Revil, Andre   +4 more
core   +5 more sources

Estimation of the hydraulic parameters of unsaturated samples by electrical resistivity tomography [PDF]

open access: yes, 2012
In situ and laboratory experiments have shown that electrical resistivity tomography (ERT) is an effective tool to image transient phenomena in soils. However, its application in quantifying soil hydraulic parameters has been limited.
Musso, Guido   +6 more
core   +1 more source

Frequency Difference EIT With Localization: A Potential Medical Imaging Tool During Cancer Treatment

open access: yesIEEE Access, 2019
Electrical impedance tomography (EIT) has attracted great interest in a number of medical applications. It offers several unique advantages, such as being safe, low cost, and having high temporal resolution over other tomographic imaging protocols.
Chenning Wu, Manuchehr Soleimani
doaj   +1 more source

Efficient Hyper-Parameter Selection in Total Variation-Penalised XCT Reconstruction Using Freund and Shapire’s Hedge Approach

open access: yesMathematics, 2020
This paper studies the problem of efficiently tuning the hyper-parameters in penalised least-squares reconstruction for XCT. Discovered through the lens of the Compressed Sensing paradigm, penalisation functionals such as Total Variation types of norms ...
Stéphane Chrétien   +3 more
doaj   +1 more source

Capacitively Coupled Resistivity Imaging for Biomaterial and Biomedical Applications

open access: yesIEEE Access, 2018
Imaging of electrical conductivity is a promising technique in biomedical field, which can reveal the impedance distribution within the region of interest.
Yandan Jiang, Manuchehr Soleimani
doaj   +1 more source

Geocryological Structure of a Giant Spring Aufeis Glade at the Anmangynda River (Northeastern Russia)

open access: yesGeosciences, 2023
Gigantic aufeis fields serve as indicators of water exchange processes within the permafrost zone and are important in assessing the state of the cryosphere in a changing climate.
Vladimir Olenchenko   +3 more
doaj   +1 more source

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