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Uterine EMG processing : dynamic detection associated with multiscale classification of events

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3 Author(s)
Khalil, M. ; Univ. of Technol. of Troyes, Troyes, France ; Duchene, J. ; Marque, C.

Towards the goal of detecting preterm birth by characterizing the events in the uterine electromyogram (EMG), we propose a new approach for detection and classification of events in this signal. Detection is based on the Dynamic Cumulative Sum (DCS) of the local generalized likelihood ratio associated with a multiscale decomposition using wavelet transform. An unsupervised classification based on the comparison between variance-covariance matrices computed from selected scales has been implemented after detection. Finally a class identification based on a neural network is used. This algorithm of detection-classification-labelling gives satisfactory results on uterine EMG: in most cases more than 80% of events are well-detected and classified whatever the term of gestation

Published in:

[Engineering in Medicine and Biology, 1999. 21st Annual Conference and the 1999 Annual Fall Meetring of the Biomedical Engineering Society] BMES/EMBS Conference, 1999. Proceedings of the First Joint  (Volume:2 )

Date of Conference:

Oct 1999