<abstract xmlns="http://www.w3.org/1999/xhtml"><p>Electrical impedance tomography (EIT) is a relatively new imaging technique. It has the advantages of low cost, portability, non-invasiveness and is free from radiation effects. So far, this imaging technique has shown satisfactory results in functional imaging. However, it is not yet fully suitable for anatomical imaging due to its poor spatial resolution. In this paper, we review the basic directions of research in the area of the spatial resolution of the EIT systems. The improvements to the hardware and the software developments are highlighted. Finally, possible techniques to enhance the spatial resolution of the EIT systems using array processing beamforming methods are discussed.</p></abstract>

Electrical impedance tomography (EIT) is a relatively new imaging technique. It has the advantages of low cost, portability, non-invasiveness and is free from radiation effects. So far, this imaging technique has shown satisfactory results in functional imaging. However, it is not yet fully suitable for anatomical imaging due to its poor spatial resolution. In this paper, we review the basic directions of research in the area of the spatial resolution of the EIT systems. The improvements to the hardware and the software developments are highlighted. Finally, possible techniques to enhance the spatial resolution of the EIT systems using array processing beamforming methods are discussed.

Spatial resolution in electrical impedance tomography: A topical review

Journal of Electrical Bioimpedance

This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 3.0 License.

{"article-title":"Spatial resolution in electrical impedance tomography: A topical review"}

Electrical impedance tomography (EIT) is a relatively new imaging technique. It has the advantages of low cost, portability, non-invasiveness and is free from...

Spatial resolution in electrical impedance tomography: A topical review

Article Category: Reviews

Published Online: Jul 23, 2017

Page range: 66 - 78

Received: Jul 19, 2016

DOI: https://doi.org/10.5617/jeb.3350

Keywords
Array processing, current patterns, data acquisition, direct algorithms, EIT hardware, electrodes, fusion techniques, iterative algorithm

© 2017 Venkatratnam Chitturi and Nagi Farrukh, published by Sciendo

This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 3.0 License.

Spatial resolution in electrical impedance tomography: A topical review

Article Category: Reviews

Published Online: Jul 23, 2017

Page range: 66 - 78

Received: Jul 19, 2016

DOI: https://doi.org/10.5617/jeb.3350

KeywordsArray processing, current patterns, data acquisition, direct algorithms, EIT hardware, electrodes, fusion techniques, iterative algorithm

© 2017 Venkatratnam Chitturi and Nagi Farrukh, published by Sciendo

This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 3.0 License.

Keywords
Array processing, current patterns, data acquisition, direct algorithms, EIT hardware, electrodes, fusion techniques, iterative algorithm