NDLI: Cole parameter estimation from electrical bioconductance spectroscopy measurements

Content Provider	IEEE Xplore Digital Library
Author	Seoane, F. Buendía, R. Gil-Pita, R.
Copyright Year	2010
Description	Author affiliation: Department of Theory of the Signal and Communications at the University of Alcalá, Ctra Madrid-Barcelona Km 32, Spain ES-28871 (Gil-Pita, R.) \|\| School of Engineering at the University of Borås. Allégatan 1, Sweden SE-501 90 (Seoane, F.) \|\| School of Engineering at the University of Borås and the Department of Theory of the Signal and Communications at the University of Alcalá, Sweden (Buendía, R.)
Abstract	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.
Starting Page	3495
Ending Page	3498
File Size	491835
Page Count	4
File Format	PDF
ISBN	9781424441235
ISSN	1557170X
DOI	10.1109/IEMBS.2010.5627790
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2010-08-31
Publisher Place	Argentina
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Impedance Fitting Estimation Pollution measurement Parasitic capacitance Mathematical model Admittance
Content Type	Text
Resource Type	Article
Subject	Signal Processing Biomedical Engineering Health Informatics Computer Vision and Pattern Recognition

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4	Project PI / Joint PI	Principal Investigator and Joint Principal Investigators of the project	Dr. B. Sutradhar bsutra@ndl.gov.in Prof. Saswat Chakrabarti will be added soon
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