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Conference Paper: Fast extraction of somatosensory evoked potential based on second order blind identification

TitleFast extraction of somatosensory evoked potential based on second order blind identification
Authors
Issue Date2007
Citation
Annual International Conference Of The Ieee Engineering In Medicine And Biology - Proceedings, 2007, p. 5457-5460 How to Cite?
AbstractSecond order blind identification (SOBI) technique is a promising independent component analysis (ICA) method to extract somatosensory evoked potential (SEP). This simulation study focused on SEP extraction from EEG and power-line noise contaminated SEP signals at signal to noise ratio (SNR) of -10dB and -20dB. The correlation coefficients between template SEP and SOBI extracted SEP showed significant high similarity (r>0.76) at -10dB and mild acceptable similarity (r>0.6) at -20dB EEG contaminated SEP. However, SOBI extracted SEP showed good performance in power-line noise situation to achieve high correlation coefficients with template SEP (r=0.96). The fast extracted SEP showed stable amplitude and latency, which are almost identical with the SEP template. The results suggested that SOBI is an appropriate method to extract SEP from noisy background. © 2007 IEEE.
Persistent Identifierhttp://hdl.handle.net/10722/99143
ISSN
References

 

DC FieldValueLanguage
dc.contributor.authorLiu, Hen_HK
dc.contributor.authorHu, Yen_HK
dc.contributor.authorChang, CQen_HK
dc.contributor.authorLuk, KDKen_HK
dc.date.accessioned2010-09-25T18:17:36Z-
dc.date.available2010-09-25T18:17:36Z-
dc.date.issued2007en_HK
dc.identifier.citationAnnual International Conference Of The Ieee Engineering In Medicine And Biology - Proceedings, 2007, p. 5457-5460en_HK
dc.identifier.issn0589-1019en_HK
dc.identifier.urihttp://hdl.handle.net/10722/99143-
dc.description.abstractSecond order blind identification (SOBI) technique is a promising independent component analysis (ICA) method to extract somatosensory evoked potential (SEP). This simulation study focused on SEP extraction from EEG and power-line noise contaminated SEP signals at signal to noise ratio (SNR) of -10dB and -20dB. The correlation coefficients between template SEP and SOBI extracted SEP showed significant high similarity (r>0.76) at -10dB and mild acceptable similarity (r>0.6) at -20dB EEG contaminated SEP. However, SOBI extracted SEP showed good performance in power-line noise situation to achieve high correlation coefficients with template SEP (r=0.96). The fast extracted SEP showed stable amplitude and latency, which are almost identical with the SEP template. The results suggested that SOBI is an appropriate method to extract SEP from noisy background. © 2007 IEEE.en_HK
dc.languageengen_HK
dc.relation.ispartofAnnual International Conference of the IEEE Engineering in Medicine and Biology - Proceedingsen_HK
dc.titleFast extraction of somatosensory evoked potential based on second order blind identificationen_HK
dc.typeConference_Paperen_HK
dc.identifier.emailHu, Y: yhud@hku.hken_HK
dc.identifier.emailChang, CQ: cqchang@eee.hku.hken_HK
dc.identifier.emailLuk, KDK: hcm21000@hku.hken_HK
dc.identifier.authorityHu, Y=rp00432en_HK
dc.identifier.authorityChang, CQ=rp00095en_HK
dc.identifier.authorityLuk, KDK=rp00333en_HK
dc.description.naturelink_to_subscribed_fulltext-
dc.identifier.doi10.1109/IEMBS.2007.4353580en_HK
dc.identifier.pmid18003246-
dc.identifier.scopuseid_2-s2.0-57649222391en_HK
dc.identifier.hkuros131509en_HK
dc.relation.referenceshttp://www.scopus.com/mlt/select.url?eid=2-s2.0-57649222391&selection=ref&src=s&origin=recordpageen_HK
dc.identifier.spage5457en_HK
dc.identifier.epage5460en_HK
dc.publisher.placeUnited Statesen_HK
dc.identifier.scopusauthoridLiu, H=26643490700en_HK
dc.identifier.scopusauthoridHu, Y=7407116091en_HK
dc.identifier.scopusauthoridChang, CQ=7407033052en_HK
dc.identifier.scopusauthoridLuk, KDK=7201921573en_HK

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