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Biblos-e Archivo
Bachelor thesis . 2016
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Interfaz gráfica de etiquetado de atributos faciales

Authors: Cid Fernández, Beatriz;

Interfaz gráfica de etiquetado de atributos faciales

Abstract

Los sistemas tradicionales de identi cación presentan algunas carencias, pues requieren de información como claves de acceso, documentos de identidad o tarjetas de acceso que se pueden perder, robar o incluso falsi car fácilmente. Es por ello que surge el reconocimiento biométrico, cuya nalidad consiste en identi car al individuo a través de información característica propia como puede ser la cara, huella digital, etc. Dichas características propias son conocidas como Soft Biometrics. Se tratan de características humanas físicas (color de ojos, color de pelo, presencia de barba, etc), conductuales (dinámica de tecleo, forma de escribir, forma de andar, etc) y adheridas a características humanas (color de ropa, presencia de tatuajes, accesorios, etc), establecidas y probadas en el tiempo por los seres humanos con el objetivo de diferenciar a los individuos. Estas características físicas y de comportamiento humano se utilizan cada vez más en aplicaciones de seguridad debido a diversas ventajas, tales como la universalidad, la robustez, la permanencia y la accesibilidad. En el presente Trabajo Fin de Grado, se estudia, implementa y evalúa un sistema de reconocimiento basado en Soft Biometrics. Dichos Soft Biometrics resultan interesantes ya que pueden proporcionar información de un individuo convirtiendo a un sistema biométrico primario más able. Para llevarlo a cabo, se desarrolla una interfaz de etiquetado facial, con el n de estudiar y evaluar cómo afectan un conjunto de Soft Biometrics en la identi cación del individuo. Como punto de partida se ha estudiado el estado del arte en Soft Biometrics y su evolución a lo largo de la historia. Posteriormente se ha diseñado la interfaz grá ca para etiquetado de atributos faciales y se ha procedido al etiquetado de la base de datos LFW, que no dispone de un etiquetado de Soft Biometrics de los individuos, públicamente disponible para investigación. Una vez obtenido el etiquetado, se ha realizado una cuanti cación de los resultados obtenidos con el n de poder operar y extraer conclusiones con dichos datos. En la parte de análisis, se ha estudiado y evaluado la correlación que existe entre los diferentes Soft Biometrics que se han de nido para este proyecto. En la parte experimental, se ha diseñado un sistema basado en un conjunto de Soft Biometrics en el que se ha estudiado el rendimiento individual y varios conjuntos de ellos atendiendo a distintos criterios. Por último, se presentan las conclusiones, extraídas a lo largo del trabajo y se proponen líneas de trabajo futuro.

Traditional identi cation systems present some limitations, since they require information such as passwords, IDs or access cards which can get lost, stolen or even easily falsi ed. Thus, biometric recognition arose with the purpose of identifying individuals across their own characteristics such as the face, ngerprint, etc. These characteristics are known as Biometric traits. They involve physical human characteristics (i.e. eyes color, hair color, the presence of beard, etc.), behavioral characteristics (i.e. typing dynamics, writing style, gait, etc.) and characteristics adhered to human characteristics (i.e. clothes color, the presence of tattoos, accessories, etc.), established and proved in the time by human beings with the objective of di erentiating individuals. Physical characteristics and human behavior are increasingly being used within security applications due to their several advantages, such as universality, robustness, permanency and accessibility. The present TFG studies, implements and evaluates a recognition system based on Soft Biometrics. Soft Biometrics are interesting since they may provide information of an individual turning into a reliable primary biometric system. In order to carry it out, a facial labelling interface is developed with the objective of studying and evaluating how a set of Soft Biometrics may perform in identi cation tasks of an individual. As starting point, the state of the art in Soft Biometrics and its evolution along history has been studied. Later, the interface for facial attributes labeling has been designed, which has no Soft Biometrics labeling of individuals, labeled. This database was provided by the group of ATVS biometric recognition. As soon as the labeling was obtained, a quanti cation of the results has been realized with the purpose of operating and extracting conclusions from this data. In the analysis section, the existing correlation among di erent Soft Biometrics included in this project has been studied and evaluated. In the experimental part, a system based on a set of Soft Biometrics has been designed and the individual yield has been studied attending on di erent criteria. Finally, the conclusions extracted along the development of the project are presented and future lines of work are proposed.

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Spain
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selected citations
These citations are derived from selected sources.
This is an alternative to the "Influence" indicator, which also reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
BIP!Citations provided by BIP!
popularity
This indicator reflects the "current" impact/attention (the "hype") of an article in the research community at large, based on the underlying citation network.
BIP!Popularity provided by BIP!
influence
This indicator reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
BIP!Influence provided by BIP!
impulse
This indicator reflects the initial momentum of an article directly after its publication, based on the underlying citation network.
BIP!Impulse provided by BIP!
0
Average
Average
Average
Green