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Cole Parameter Estimation from Electrical Bioconductance Spectroscopy Measurements
University of Borås, School of Engineering.
University of Borås, School of Engineering.
2010 (English)Conference paper, (Refereed)
Abstract [en]

Several applications of Electrical Bioimpedance (EBI) make use of Cole parameters as base of their analysis, therefore Cole parameters estimation has become a very common practice within Multifrequency- and EBI spectroscopy. EBI measurements are very often contaminated with the influence of parasitic capacitances, which contributes to cause a hook-alike measurement artifact at high frequencies in the EBI obtained data. Such measurement artifacts might cause wrong estimations of the Cole parameters, contaminating the whole analysis process and leading to wrong conclusions. In this work, a new approach to estimate the Cole parameters from the real part of the admittance, i.e. the conductance, is presented and its performance is compared with the results produced with the traditional fitting of complex impedance to a depressed semi-circle. The obtained results prove that is feasible to obtain the full Cole equation from only the conductance data and also that the estimation process is safe from the influence capacitive leakage.

Place, publisher, year, edition, pages
IEEE , 2010.
Keyword [en]
Medicinteknik
National Category
Engineering and Technology
Identifiers
URN: urn:nbn:se:hb:diva-6488DOI: 10.1109/IEMBS.2010.5627790Local ID: 2320/7367ISBN: 978-1-4244-4123-5 (print)OAI: oai:DiVA.org:hb-6488DiVA: diva2:887184
Conference
Engineering in Medicine and Biology Society (EMBC), 2010 Annual International Conference of the IEEE
Note
32st Annual International Conference of the IEEE Engineering in Medicine and Biology Society, Buenos Aires, Aug-Sept 2010Available from: 2015-12-22 Created: 2015-12-22

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Seoane Martínez, FernandoBuendia, Ruben
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