Diseño y construcción de un banco de pruebas con iluminación multiespectral para el estudio del estado de maduración en aguacates

dc.contributor.advisorGómez-Mendoza, Juan Bernardo
dc.contributor.advisorOsorio Londoño, Gustavo Adolfo
dc.contributor.authorPatiño Martínez, Víctor Alejandro
dc.contributor.researchgroupPercepción y Control Inteligente - PCIspa
dc.date.accessioned2023-08-02T16:50:06Z
dc.date.available2023-08-02T16:50:06Z
dc.date.issued2023
dc.descriptionfotografías, graficas, tablasspa
dc.description.abstractLa exportación de aguacates en Colombia ha aumentado en los últimos años. Una de las etapas clave del proceso de producción es conocer el grado de madurez del aguacate que se va a cosechar. Existe una correlación entre la materia seca de un aguacate y su esta- do de maduración. Sin embargo, la estimación de la materia seca por medios físicos es un proceso que consume mucho tiempo y conlleva grandes pérdidas. Existen varios estudios sobre la relación entre imágenes multiespectrales de aguacates y su materia seca. Esta tesis presenta los detalles sobre el diseño y la construcción de un sistema de imágenes multiespec- trales basado en Leds. El diseño se dividió en tres partes principales: mecánica, hardware electrónico y firmware. Una vez probado el sistema, se tomaron imágenes de 14 aguacates para obtener una primera aproximación a la estimación de la materia seca, utilizando técni- cas de uso común en reconocimiento de patrones como LDA, distancia de Mahalanobis y mapas auto-organizativos. Nuestros mejores resultados se obtuvieron utilizando la distancia de Mahalanobis, que da un error relativo máximo del 14,77 % (Texto tomado de la fuente)spa
dc.description.abstractThe exportation of avocados in Colombia has increased in the last few years. One of the key stages of the production process is to know the ripeness level of the avocado that is going to be harvested. There is a correlation between the dry matter of an avocado and its ripeness state. Nevertheless, dry matter estimation by physical means is a time-consuming and wasteful process. There are several studies on the relationship between multispectral images of avocados and their dry matter. This thesis presents the details on the design and construction of a LED-Based Multispectral Imaging System. The design was divided into three main parts: mechanical, electronic hardware, and firmware. Once the system was proof tested, images were taken from 14 avocados in order to obtain a first approximation to the estimation of the dry matter, using techniques that are commonly used in pattern recognition such as LDA, Mahalanobis distance, and Self-organizing-maps. Our best results were achieved using the Mahalanobis distance, which gives a maximum relative error of 14.77% .eng
dc.description.curricularareaEléctrica, Electrónica, Automatización Y Telecomunicaciones.Sede Manizalesspa
dc.description.degreelevelMaestríaspa
dc.description.degreenameMagíster en Ingeniería - Automatización Industrialspa
dc.description.researchareaDiseño de producto electrónicospa
dc.format.extentxv, 65 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/84421
dc.language.isoengspa
dc.publisherUniversidad Nacional de Colombiaspa
dc.publisher.branchUniversidad Nacional de Colombia - Sede Manizalesspa
dc.publisher.facultyFacultad de Ingeniería y Arquitecturaspa
dc.publisher.placeManizales, Colombiaspa
dc.publisher.programManizales - Ingeniería y Arquitectura - Maestría en Ingeniería - Automatización Industrialspa
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dc.rights.accessrightsinfo:eu-repo/semantics/openAccessspa
dc.rights.licenseAtribución-CompartirIgual 4.0 Internacionalspa
dc.rights.urihttp://creativecommons.org/licenses/by-sa/4.0/spa
dc.subject.ddc620 - Ingeniería y operaciones afines::629 - Otras ramas de la ingenieríaspa
dc.subject.proposalSistema de imágenes multiespectrales basado en ledsspa
dc.subject.proposalMateria seca del aguacatespa
dc.subject.proposalHardware electrónicospa
dc.subject.proposalMecánicaspa
dc.subject.proposalFirmwarespa
dc.subject.proposalAlgoritmos de clasificaciónspa
dc.subject.proposalLDAspa
dc.subject.proposalS.O.Mspa
dc.subject.proposalDistancias de Mahalanobisspa
dc.subject.proposalLED-Based multispectral imaging systemeng
dc.subject.proposalAvocado dry mattereng
dc.subject.proposalHardwareeng
dc.subject.proposalMechanicaleng
dc.subject.proposalFirmwareeng
dc.subject.proposalClassification algorithmseng
dc.subject.proposalMahalanobis distanceseng
dc.titleDiseño y construcción de un banco de pruebas con iluminación multiespectral para el estudio del estado de maduración en aguacatesspa
dc.title.translatedDesign and construction of a multispectral illumination test bench for the study of the ripening stage of avocados.eng
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.contentImagespa
dc.type.contentTextspa
dc.type.driverinfo:eu-repo/semantics/masterThesisspa
dc.type.versioninfo:eu-repo/semantics/acceptedVersionspa
dcterms.audience.professionaldevelopmentBibliotecariosspa
dcterms.audience.professionaldevelopmentEstudiantesspa
dcterms.audience.professionaldevelopmentInvestigadoresspa
dcterms.audience.professionaldevelopmentMaestrosspa
dcterms.audience.professionaldevelopmentPúblico generalspa
oaire.accessrightshttp://purl.org/coar/access_right/c_abf2spa

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