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Please use this identifier to cite or link to this item: http://acervodigital.unesp.br/handle/11449/8302
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dc.contributor.authorAugusto Spadotto, Andre-
dc.contributor.authorPaulo Papa, João-
dc.contributor.authorRita Gatto, Ana-
dc.contributor.authorCristina Cola, Paula-
dc.contributor.authorCarlos Pereira, Jos-
dc.contributor.authorCapobianco Guido, Rodrigo-
dc.contributor.authorSchelp, Arthur Oscar-
dc.contributor.authorDias Maciel, Carlos-
dc.contributor.authorMontagnoli Neto, Arlindo-
dc.date.accessioned2014-05-20T13:25:58Z-
dc.date.accessioned2016-10-25T16:46:13Z-
dc.date.available2014-05-20T13:25:58Z-
dc.date.available2016-10-25T16:46:13Z-
dc.date.issued2008-03-01-
dc.identifierhttp://dx.doi.org/10.1016/j.compeleceng.2007.12.001-
dc.identifier.citationComputers & Electrical Engineering. Oxford: Pergamon-Elsevier B.V. Ltd, v. 34, n. 2, p. 148-153, 2008.-
dc.identifier.issn0045-7906-
dc.identifier.urihttp://hdl.handle.net/11449/8302-
dc.identifier.urihttp://acervodigital.unesp.br/handle/11449/8302-
dc.description.abstractSwallowing dynamics involves the coordination and interaction of several muscles and nerves which allow correct food transport from mouth to stomach without laryngotracheal penetration or aspiration. Clinical swallowing assessment depends on the evaluator's knowledge of anatomic structures and of neurophysiological processes involved in swallowing. Any alteration in those steps is denominated oropharyngeal dysphagia, which may have many causes, such as neurological or mechanical disorders. Videofluoroscopy of swallowing is presently considered to be the best exam to objectively assess the dynamics of swallowing, but the exam needs to be conducted under certain restrictions, due to patient's exposure to radiation, which limits periodical repetition for monitoring swallowing therapy. Another method, called cervical auscultation, is a promising new diagnostic tool for the assessment of swallowing disorders. The potential to diagnose dysphagia in a noninvasive manner by assessing the sounds of swallowing is a highly attractive option for the dysphagia clinician. Even so, the captured sound has an amount of noise, which can hamper the evaluator's decision. In that way, the present paper proposes the use of a filter to improve the quality of audible sound and facilitate the perception of examination. The wavelet denoising approach is used to decompose the noisy signal. The signal to noise ratio was evaluated to demonstrate the quantitative results of the proposed methodology. (C) 2007 Elsevier Ltd. All rights reserved.en
dc.format.extent148-153-
dc.language.isoeng-
dc.publisherPergamon-Elsevier B.V. Ltd-
dc.sourceWeb of Science-
dc.subjectswallowing sounden
dc.subjectcervical auscultationen
dc.subjectwavelet denoisingen
dc.titleDenoising swallowing sound to improve the evaluator's qualitative analysisen
dc.typeoutro-
dc.contributor.institutionUniversidade de São Paulo (USP)-
dc.contributor.institutionUniversidade Estadual de Campinas (UNICAMP)-
dc.contributor.institutionUniversidade Estadual Paulista (UNESP)-
dc.description.affiliationUniv São Paulo, Sch Elect Engn São Carlos, BR-05508 São Paulo, Brazil-
dc.description.affiliationUniv Estadual Campinas, State Univ Campinas, Inst Comp Sci, São Paulo, Brazil-
dc.description.affiliationUniv Estadual Paulista, State Univ São Paulo, Coll Med Botucatu, São Paulo, Brazil-
dc.description.affiliationUniv São Paulo, Inst Phys São Carlos, BR-05508 São Paulo, Brazil-
dc.description.affiliationUniv Estadual Paulista, State Univ São Paulo, Stat Appl Math & Comp Inst, São Paulo, Brazil-
dc.description.affiliationUnespUniv Estadual Paulista, State Univ São Paulo, Coll Med Botucatu, São Paulo, Brazil-
dc.description.affiliationUnespUniv Estadual Paulista, State Univ São Paulo, Stat Appl Math & Comp Inst, São Paulo, Brazil-
dc.identifier.doi10.1016/j.compeleceng.2007.12.001-
dc.identifier.wosWOS:000255085000008-
dc.rights.accessRightsAcesso restrito-
dc.relation.ispartofComputers & Electrical Engineering-
Appears in Collections:Artigos, TCCs, Teses e Dissertações da Unesp

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