Articles with "impedance tomography" as a keyword



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Computational method for estimating boundary of abdominal subcutaneous fat for absolute electrical impedance tomography.

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Published in 2018 at "International journal for numerical methods in biomedical engineering"

DOI: 10.1002/cnm.2909

Abstract: Abdominal fat accumulation is considered an essential indicator of human health. Electrical impedance tomography has considerable potential for abdominal fat imaging because of the low specific conductivity of human body fat. In this paper, we… read more here.

Keywords: impedance tomography; abdominal subcutaneous; subcutaneous fat; method ... See more keywords
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Sensitivity analysis of magnetic field measurements for magnetic resonance electrical impedance tomography (MREIT)

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Published in 2018 at "Magnetic Resonance in Medicine"

DOI: 10.1002/mrm.26727

Abstract: Clinical use of magnetic resonance electrical impedance tomography (MREIT) still requires significant sensitivity improvements. Here, the measurement of the current‐induced magnetic field (ΔBz,c) is improved using systematic efficiency analyses and optimization of multi‐echo spin echo… read more here.

Keywords: impedance tomography; resonance; magnetic resonance; electrical impedance ... See more keywords
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Using electrical impedance tomography to characterize lung impairment of children with primary ciliary dyskinesia: A pilot cross‐sectional study

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Published in 2022 at "Pediatric Pulmonology"

DOI: 10.1002/ppul.26293

Abstract: In children with primary ciliary dyskinesia (PCD), measures more sensitive than spirometry are needed to characterize underlying pulmonary impairment. Electrical impedance tomography (EIT) is a promising noninvasive method for monitoring the distribution of lung ventilation,… read more here.

Keywords: electrical impedance; primary ciliary; children primary; lung ... See more keywords
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Identifying conductivity in electrical impedance tomography with total variation regularization

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Published in 2018 at "Numerische Mathematik"

DOI: 10.1007/s00211-017-0920-8

Abstract: In this paper we investigate the problem of identifying the conductivity in electrical impedance tomography from one boundary measurement. A variational method with total variation regularization is here proposed to tackle this problem. We discretize… read more here.

Keywords: impedance tomography; conductivity electrical; conductivity; total variation ... See more keywords
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A simulation study on the ventilation inhomogeneity measured with Electrical Impedance Tomography

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Published in 2017 at "IFAC-PapersOnLine"

DOI: 10.1016/j.ifacol.2017.08.1737

Abstract: Abstract Electrical Impedance Tomography (EIT) is a medical imaging modality which is mainly used in mechanically ventilated patients to monitor the regional distribution of ventilation. Recently, the potential of EIT has also been demonstrated as… read more here.

Keywords: inhomogeneity; impedance tomography; ventilation; electrical impedance ... See more keywords
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Separation of Cardiac- and Ventilation-related Signals within Electrical Impedance Tomography Data based on Multi-dimensional Ensemble Empirical Mode Decomposition

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Published in 2017 at "IFAC-PapersOnLine"

DOI: 10.1016/j.ifacol.2017.08.370

Abstract: Abstract Electrical impedance tomography (EIT) is an promising imaging technology for continuous bedside monitoring of ventilation and perfusion. However, due to the spatial and frequency overlapping of ventilation and cardiac components in the heart-lung interaction… read more here.

Keywords: impedance tomography; ventilation; dimensional ensemble; multi dimensional ... See more keywords
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Markov Chain Monte Carlo Electrical Impedance Tomography Reconstruction through Intervalar Evaluation

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Published in 2018 at "IFAC-PapersOnLine"

DOI: 10.1016/j.ifacol.2018.11.606

Abstract: Abstract Markov chain Monte Carlo algorithms are used to sample complex distributions and, as such, are suitable for Baesyan reconstructions of inverse problems. Electrical impedance tomography reconstructions pose such problems, but the evaluation of their… read more here.

Keywords: impedance tomography; monte carlo; markov chain; electrical impedance ... See more keywords
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Sparse optimization for image reconstruction in Electrical Impedance Tomography

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Published in 2019 at "IFAC-PapersOnLine"

DOI: 10.1016/j.ifacol.2019.06.033

Abstract: Abstract Electrical Impedance Tomography (EIT) can be used to obtain phase boundaries and gas holdups in multiphase flows. The main challenge in image reconstruction using EIT is the low spatial resolution. In this paper, a… read more here.

Keywords: reconstruction; electrical impedance; image reconstruction; sparse optimization ... See more keywords
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Assessment of electrical impedance tomography to set optimal positive end-expiratory pressure for veno-venous ECMO-treated severe ARDS patients.

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Published in 2020 at "Journal of critical care"

DOI: 10.1016/j.jcrc.2020.06.017

Abstract: PURPOSE Ultra-protective ventilation with low tidal volume is used in severe acute respiratory distress syndrome (ARDS) patients under extracorporeal membrane oxygenation (ECMO). However, the optimal positive end-expiratory pressure (PEEP) is unknown. The aim of our… read more here.

Keywords: impedance tomography; electrical impedance; peep; ards patients ... See more keywords
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pyEIT: A python based framework for Electrical Impedance Tomography

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Published in 2018 at "SoftwareX"

DOI: 10.1016/j.softx.2018.09.005

Abstract: Abstract We present a Python-based, open source Electrical Impedance Tomography (EIT) library called pyEIT. It is a multiplatform software released under the Apache License v2.0. pyEIT has a clean architecture and is well documented. It… read more here.

Keywords: python; impedance tomography; pyeit; python based ... See more keywords
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A Post-Processing Method for Three-Dimensional Electrical Impedance Tomography

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Published in 2017 at "Scientific Reports"

DOI: 10.1038/s41598-017-07727-2

Abstract: Electrical impedance tomography is a modern biomedical imaging method. Its goal is to image the electrical properties of human tissues. This approach is safe for the patient’s health, is non-invasive and has no known hazards.… read more here.

Keywords: impedance tomography; method three; electrical impedance; method ... See more keywords