Algoritmo para la clasificación en línea de fonemas de habla silenciosa utilizando un sistema embebido

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dc.contributor.advisorBacca Rodríguez, Jan
dc.contributor.advisorVillamizar Delgado, Sergio Iván
dc.contributor.authorCaballero López, Julian David
dc.contributor.researchgroupGrupo de Investigación en Electrónica de Alta Frecuencia y Telecomunicaciones (Cmun)spa
dc.date.accessioned2022-08-29T17:09:02Z
dc.date.available2022-08-29T17:09:02Z
dc.date.issued2022
dc.descriptionilustraciones, fotografías, graficasspa
dc.description.abstractDurante el desarrollo de este proyecto se analizaron metodologías para la clasificación de fonemas del habla silenciosa basadas en EMD (Empirical mode decomposition). Este análisis tuvo lugar en la Universidad Nacional de Colombia (UNAL) sede Bogotá, con los datos de la base de datos Emotive-DB tomada con el equipo EMOTIVE EPOC +14, la cual contiene la información de 16 sujetos, mientras pensaban en los fonemas /a/, /e/, /i/, /o/, /u/, y las sílabas /fa/, /pe/, /mi/, /lo/, /ru/. En el proceso, se analizó la afectación en los resultados y el tiempo de procesamiento, en relación con las variables superposición, frecuencia de muestreo, cantidad de canales, entre otras; tras dicho análisis, se seleccionó y trató el número de canales, la distribución de electrodos y los vectores de proyección en la descomposición EMD; con lo cual se logró disminuir el tiempo de procesamiento promedio por trial de 8.73 segundos hasta 0.06 segundos, permitiendo así la posibilidad de implementarse en un sistema en línea. (Texto tomado de la fuente)spa
dc.description.abstractDuring the development of this project, methodologies for the classification of phonemes of silent speech based on EMD (Empirical mode decomposition) were analyzed. This analysis took place at the National University of Colombia (UNAL) in Bogotá, with data from the Emotive-DB database taken with the EMOTIVE EPOC + 14 equipment, which contains the information of 16 subjects, while they thought about the phonemes / a /, / e /, / i /, / o /, / u /, and the syllables / fa /, / pe /, / mi /, / lo /, / ru /. In the process, the effect on the results and the processing time were analyzed, in relation to the variables superposition, sampling frequency, number of channels, among others. After said analysis, the number of channels, the electrode distribution and the projection vectors in the EMD decomposition were selected accordingly. As a result, it was possible to reduce the average processing time per-trial from 8.73 seconds to 0.06 seconds, thus allowing the possibility of being implemented in an online system.eng
dc.description.degreelevelMaestríaspa
dc.description.degreenameMagíster en Ingeniería - Automatización Industrialspa
dc.description.researchareaClasificación de fonemas de habla silenciosaspa
dc.description.sponsorshipconvocatoria 777 de 2017 de MinCienciasspa
dc.format.extent66 páginasspa
dc.format.mimetypeapplication/pdfspa
dc.identifier.instnameUniversidad Nacional de Colombiaspa
dc.identifier.reponameRepositorio Institucional Universidad Nacional de Colombiaspa
dc.identifier.repourlhttps://repositorio.unal.edu.co/spa
dc.identifier.urihttps://repositorio.unal.edu.co/handle/unal/82171
dc.language.isospaspa
dc.publisherUniversidad Nacional de Colombiaspa
dc.publisher.branchUniversidad Nacional de Colombia - Sede Bogotáspa
dc.publisher.departmentDepartamento de Ingeniería Eléctrica y Electrónicaspa
dc.publisher.facultyFacultad de Ingenieríaspa
dc.publisher.placeBogotá, Colombiaspa
dc.publisher.programBogotá - Ingeniería - Maestría en Ingeniería - Automatización Industrialspa
dc.relation.indexedRedColspa
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dc.rights.accessrightsinfo:eu-repo/semantics/openAccessspa
dc.rights.licenseReconocimiento 4.0 Internacionalspa
dc.rights.urihttp://creativecommons.org/licenses/by/4.0/spa
dc.subject.ddc000 - Ciencias de la computación, información y obras generales::004 - Procesamiento de datos Ciencia de los computadoresspa
dc.subject.otherProcesamiento Automatizado de Datosspa
dc.subject.otherElectronic Data Processingeng
dc.subject.proposalEMDeng
dc.subject.proposalMEMDeng
dc.subject.proposalSVDeng
dc.subject.proposalPLVeng
dc.subject.proposalLDAeng
dc.subject.proposalCLASIFICADORES MULTICLASEspa
dc.subject.proposalMULTICLASS CLASSIFIERSeng
dc.subject.unescoProgramación informáticaspa
dc.subject.unescoComputer programmingeng
dc.titleAlgoritmo para la clasificación en línea de fonemas de habla silenciosa utilizando un sistema embebidospa
dc.title.translatedAlgorithm for online classification of silent speech phonemes using an embedded systemeng
dc.typeTrabajo de grado - Maestríaspa
dc.type.coarhttp://purl.org/coar/resource_type/c_bdccspa
dc.type.coarversionhttp://purl.org/coar/version/c_ab4af688f83e57aaspa
dc.type.contentTextspa
dc.type.driverinfo:eu-repo/semantics/masterThesisspa
dc.type.redcolhttp://purl.org/redcol/resource_type/TMspa
dc.type.versioninfo:eu-repo/semantics/acceptedVersionspa
dcterms.audience.professionaldevelopmentAdministradoresspa
dcterms.audience.professionaldevelopmentInvestigadoresspa
oaire.accessrightshttp://purl.org/coar/access_right/c_abf2spa
oaire.awardtitleDesarrollo de una Interfaz Cerebro Computador con señales electroencefalográficas (EEG) que utilice el pensamiento del lenguaje para el control de una prótesis de miembro superior con aplicación a personas discapacitadas con amputaciones debidas al conflicto armado colombianospa
oaire.fundernameMinCienciasspa

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