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Adaptive Frequency Distribution for Electrical Bioimpedance Spectroscopy Measurements
University of Borås, School of Engineering.
University of Borås, School of Engineering.
University of Borås, School of Engineering.
University of Borås, School of Engineering.
2012 (English)Conference paper, (Refereed)
Abstract [en]

This paper presents a novel frequency distribution scheme intended to provide more accurate estimations of Cole parameters. Nowadays a logarithmic frequency distribution is mostly used in Electrical Bioimpedance Spectroscopy (EBIS) applications. However it is not optimized following any criterion. Our hypothesis is that an EBIS signal contains more information where the variation of the measurement regarding the frequency is larger; and that there ought to be more measuring frequencies where there is more information. Results show that for EBIS data with characteristic frequencies up to 200 kHz the error obtained with both frequency distribution schemes is similar. However, for EBIS data with higher values of characteristic frequency the error produced when estimating the values from EBIS measurements using an adaptive frequency distribution is smaller. Thus it may usefull for EBIS applications with high values of characteristic frequency, e.g. cerebral bioimpedance.

Place, publisher, year, edition, pages
IEEE Press , 2012.
Keyword [en]
Physiological measurements, Bioimpedance, Medicinteknik
National Category
Engineering and Technology
Identifiers
URN: urn:nbn:se:hb:diva-6872Local ID: 2320/11653OAI: oai:DiVA.org:hb-6872DiVA: diva2:887579
Conference
34th Annual International IEEE-EMBS Conference, San Diego, August 30-September 2, 2012
Available from: 2015-12-22 Created: 2015-12-22

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Seoane, FernandoFerreira, JavierBuendia, RubenLindecrantz, Kaj
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