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acessibilidade

http://hdl.handle.net/10071/12392
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acessibilidade
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dc.contributor.authorFreitas, João-
dc.contributor.authorSilva, Samuel-
dc.contributor.authorTeixeira, António-
dc.contributor.authorDias, Miguel Sales-
dc.date.accessioned2017-01-25T14:41:47Z-
dc.date.available2017-01-25T14:41:47Z-
dc.date.issued2014-
dc.identifier10.1007/978-3-319-13623-3_20en_US
dc.identifier.isbn978-3-319-13622-6-
dc.identifier.issn10.1007/978-3-319-13623-3_20-
dc.identifier.urihttp://www.scopus.com/inward/record.url?eid=2-s2.0-84921403499&partnerID=MN8TOARS-
dc.identifier.urihttps://ciencia.iscte-iul.pt/public/pub/id/22963-
dc.identifier.urihttp://hdl.handle.net/10071/12392-
dc.description.abstractThe most promising approaches for surface Electromyography (EMG) based speech interfaces commonly focus on the tongue muscles. Despite the interesting results in small vocabularies tasks, it is yet unclear which articulation gestures these sensors are actually detecting. To address these complex aspects, in this study we propose a novel method, based on synchronous acquisition of surface EMG and Ultrasound Imaging (US) of the tongue, to assess the applicability of EMG to tongue gesture detection. In this context, the US image sequences allow us to gather data concerning tongue movement over time, providing the grounds for the EMG analysis. Using this multimodal setup, we have recorded a corpus that covers several tongue transitions (e.g. back to front) in different contexts. Considering the annotated tongue movement data, the results from the EMG analysis show that tongue transitions can be detected using the EMG sensors, with some variability in terms of sensor positioning, across speakers, and the possibility of high false-positive rates.por
dc.language.isoengpor
dc.publisherSpringer International Publishingpor
dc.rightsembargoedAccesspor
dc.subjectSurface electromyographypor
dc.subjectSynchronizationpor
dc.subjectTongue gesturespor
dc.subjectGesture detectionpor
dc.subjectUltrasound imagingpor
dc.subjectComputational linguisticspor
dc.subjectElectromyographypor
dc.subjectSynchronizationpor
dc.subjectUltrasonic imagingpor
dc.titleAssessing the applicability of surface EMG to tongue gesture detectionpor
dc.typebookPartpor
dc.pagination189-198en_US
dc.peerreviewedyespor
dc.journalAdvances in Speech and Language Technologies for Iberian Languagesen_US
dc.volume8854en_US
dc.numberen_US
degois.publication.firstPage189por
degois.publication.lastPage198por
degois.publication.locationSwitzerlandpor
degois.publication.titleAdvances in Speech and Language Technologies for Iberian Languagespor
dc.date.updated2017-01-25T14:35:49Z-
Appears in Collections:CTI-CLI - Autoria de capítulos de livros internacionais

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