From Signatures to Graphs
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Autor:innen
Autor:in (Körperschaft)
Publikationsdatum
2014
Typ der Arbeit
Master
Studiengang
Sammlung
Typ
11 - Studentische Arbeit
Herausgeber:innen
Herausgeber:in (Körperschaft)
Betreuer:in
Übergeordnetes Werk
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Verlag / Herausgebende Institution
Hochschule für Wirtschaft FHNW
Verlagsort / Veranstaltungsort
Olten
Auflage
Version
Programmiersprache
Abtretungsempfänger:in
Praxispartner:in/Auftraggeber:in
Zusammenfassung
Handwritten signatures are an important authentication measure in our everyday but especially in our business activities since the fourth century (Fillingham, 1997). A signature is a sign of trust between two parties, a sign of trust that also can be abused. Forgery of signatures is therefore as old as signatures themselves. Consequently, signature verification aims at the classification of forged from genuine signatures in order to mitigate this risk. This task remained manually until the first publication of a computer-aided expert system in 1977 (Herbst and Liu, 1977; Nagel and Rosenfeld, 1977). Signature verification is a process consisting of four activities, viz. the data acquisition, the preprocessing, the feature extraction and the classification (Impedovo and Pirlo,2008). During the data acquisition signatures are either acquired offline or online. In caseof offline acquisition, signatures are available on paper and are posterior digitalised via scanner. In case of online acquisition, signatures are directly acquired via electronic input device (e.g. digital pen). The preprocessing generally aims at enhancing the previously acquired signatures in order to better extract the meaningful characteristic of a signature during the feature extraction. Finally, based on the extracted features, a signature is classified as genuine or forged by means of a particular classification method....
Schlagwörter
Fachgebiet (DDC)
Veranstaltung
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Datum der letzten Prüfung
ISBN
ISSN
Sprache
Englisch
Während FHNW Zugehörigkeit erstellt
Ja
Zukunftsfelder FHNW
Publikationsstatus
Begutachtung
Open Access-Status
Lizenz
Zitation
Stauffer, M. (2014). From Signatures to Graphs [Hochschule für Wirtschaft FHNW]. https://irf.fhnw.ch/handle/11654/39903