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Human authentication through signature recognition

Authors: Nàcher Castellet, Víctor;

Human authentication through signature recognition

Abstract

Este trabajo de fin de máster describe un algoritmo de verificación de firmas basado en k-nearest neighbours y la distancia de Levenshtein. Es un método simple y on-line para clasificar firmas hechas a mano en auténticas o falsificaciones. Una falsificación consiste en imitar una firma, un documento, un billete o una obra de valor. Se considera un delito en la mayoría de países y sigue siendo un problema importante para los bancos hoy en día. En primer lugar, se realiza una breve introducción a la historia de los sistemas biométricos y de las firmas manuscritas. Después de explicar el estado del arte del sector, se explican los métodos conocidos utilizados. Por último, se muestra la base de datos utilizada y se presenta e implementa nuestro algoritmo.

Aquest treball de fi de màster descriu un algoritme de verificació de signatures basat en k-nearest neighbours i la distància de Levenshtein. És un mètode simple i on-line per classificar signatures fetes a mà en autèntiques o falsificacions. Una falsificació consisteix en imitar una firma, un document, un bitllet o una obra de valor. Es considera un delicte en la majoria de països i segueix sent un problema important per als bancs avui dia. En primer lloc, es realitza una breu introducció a la història dels sistemes biomètrics i de les signatures manuscrites. Després d'explicar l'estat de l'art del sector, s'expliquen els mètodes coneguts utilitzats. Finalment, es mostra la base de dades utilitzada i es presenta i implementa el nostre algoritme.

This dissertation describes a signature verification algorithm based on k-nearest neighbours and Levenshtein distance. It is a simple on-line method for classifying handwritten signatures into either genuines or forgeries. Forgery consists on imitating a signature, a document, a banknote or a valued work. It is considered a crime in most countries and it still remains a major problem in nowadays banking. In first place, a brief introduction to the history of biometric systems and handwritten signatures is made. After explaining the state of the art of the field the used well-known methods are explained. Then the used datased is showed and our algorithm presented and implemented.

Country
Spain
Related Organizations
Keywords

biometrics, Autentificación de documentos -- TFM, handwritten, Autenticació de documents -- TFM, firmas manuscritas, signatures manuscrites, security, seguretat, seguridad, signature verification, verificació de signatures, biometria, verificación de firmas, Authentication -- TFM

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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