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dc.contributor.authorTerrien, Jérémy
dc.contributor.authorSteingrimsdottir, Thora
dc.contributor.authorMarque, Catherine
dc.contributor.authorKarlsson, Brynjar
dc.date.accessioned2010-08-30T13:16:33Z
dc.date.available2010-08-30T13:16:33Z
dc.date.issued2010
dc.date.submitted2010-09-30
dc.identifier.citationEURASIP Journal on Advances in Signal Processing2010, 2010:1 EURASIP Journal on Advances in Signal Processingen
dc.identifier.issn1687-6172
dc.identifier.doi10.1155/2010/242493
dc.identifier.urihttp://hdl.handle.net/2336/110455
dc.descriptionTo access publisher full text version of this article. Please click on the hyperlink in Additional Links fielden
dc.description.abstractThe extraction of the frequency components of a signal can be useful for the characterization of the underlying system. One method for isolating a frequency component of a signal is by the extraction and reconstruction of the local maxima or ridge of its time-frequency representation. We compare here the performances of two well-known ridge reconstruction methods, namely the Carmona and Marseille methods, on synthetic signals as well as real electrohysterogram (EHG). We show that Carmona's method presents lower reconstruction errors. We then used the separately reconstructed frequency components of the EHG independently for labor prediction using a synchronization measure. We show that the proposed synchronization parameters present similar prediction rate to classical parameters obtained directly from the time-frequency representation but also seem to provide information complementary to the classical parameters and may thus improve the accuracy in labor prediction when they are used jointly.
dc.language.isoenen
dc.publisherHindawi Publishing Corporationen
dc.relation.urlhttp://dx.doi.org/10.1155/2010/242493en
dc.subject.meshLabor, Obstetricen
dc.subject.meshPregnancyen
dc.titleSynchronization between EMG at different uterine locations investigated using time-frequency ridge reconstruction: comparison of pregnancy and labor contractionsen
dc.typeArticleen
dc.identifier.eissn1687-6180
dc.identifier.journalEURASIP J Adv Signal Process. 2010, 2010:242493en
html.description.abstractThe extraction of the frequency components of a signal can be useful for the characterization of the underlying system. One method for isolating a frequency component of a signal is by the extraction and reconstruction of the local maxima or ridge of its time-frequency representation. We compare here the performances of two well-known ridge reconstruction methods, namely the Carmona and Marseille methods, on synthetic signals as well as real electrohysterogram (EHG). We show that Carmona's method presents lower reconstruction errors. We then used the separately reconstructed frequency components of the EHG independently for labor prediction using a synchronization measure. We show that the proposed synchronization parameters present similar prediction rate to classical parameters obtained directly from the time-frequency representation but also seem to provide information complementary to the classical parameters and may thus improve the accuracy in labor prediction when they are used jointly.


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