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Analysis of nonstationarities in fetal heart rate signal: inconsistency measures of baselines using acceleration/deceleration patterns

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6 Author(s)
Jezewski, J. ; Dept. of Biomed. Informatics, Inst. of Med. Technol. & Equip., Zabrze, Poland ; Horoba, K. ; Gasek, A. ; Wrobel, J.
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A correctly determined nonstationary component of fetal heart rate signal, so called baseline, is a precondition for proper identification of the acceleration and deceleration patterns. Therefore, it is necessary to develop a method and criteria, which would allow for evaluating the baseline estimation algorithms. The method could be based on a direct comparison of baselines or on a comparison of the resulted acceleration/deceleration patterns. The paper presents a method which can be used to determine matched acceleration/deceleration signal patterns recognized using two various baselines in the meaning of their time location. It defines the coefficients for inconsistency measurement between these patterns.

Published in:

Signal Processing and Its Applications, 2003. Proceedings. Seventh International Symposium on  (Volume:2 )

Date of Conference:

1-4 July 2003