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dc.contributor.advisorAlvarado-Moya, Pabloes
dc.contributor.authorFernández-Alvarado, Edison
dc.date.accessioned2017-06-01T20:45:02Z
dc.date.available2017-06-01T20:45:02Z
dc.date.issued2015
dc.identifier.urihttps://hdl.handle.net/2238/7135
dc.descriptionProyecto de Graduación (Maestría en Electrónica) Instituto Tecnológico de Costa Rica, Escuela de Ingeniería Electrónica, 2015.es
dc.description.abstractIn the present work a system for hand detection in depth images is proposed. To perform this task, the scene is segmented into 5 different classes: head, arms, body, hands and background, using the pixel-wise classification of random decision forests. Once the scene is segmented, the connected components algorithm is applied in order to group sets of pixels of the same class into regions. From these regions, a list of hand candidates is generated by validating the obtained components. Using Dijkstra’s algorithm, the points at a geodesic distance of up to 50 cm from the center of the hand candidate are found, along the found route, a histogram of classes is generated and used as a descriptor for the final classification, which is performed with support vector machine. With this proposal, a recognition rate of 83,05 % is reached over a data base of 80000 synthetic imageses
dc.language.isospaes
dc.publisherInstituto Tecnológico de Costa Ricaes
dc.subjectSistemases
dc.subjectImágeneses
dc.subjectAlgoritmoses
dc.titleDetección de manos en imágenes de profundidad mediante el uso de bosques de decisión aleatorioses
dc.typetesis de maestríaes


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