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Signature recognition

Prof. Jana Dittman
Dr. Claus Vielhauer
Otto-von-Guericke-University Magdeburg, Germany

Handwriting Biometrics: From Algorithm Fusion to Cross-Cultural Aspects.

In order to increase the security of biometric systems some approaches attempt to reach a better performance by combination of various biometric modalities. Another possibility to increase the performance of biometric systems is the combination of several experts of one single individual modality. The talk addresses new challenges in the fusion of different online handwriting verification algorithms for user authentication and introduces an approach with different distance measures in connection with one particular feature extraction algorithm, the so-called Biometric Hash. We review these different distance measure functions and evaluated five alternative strategies for a matching score level fusion. Furthermore the talk discusses the impact of meta data to improve the biometric verification result in a cross-cultural context.

Security Aspects in Biometric user Authentication Application.

In the talk we focus on design requirements to ensure the security aspects confidentiality, data integrity, data origin authenticity and entity authenticity, non-repudiation, availability as well as privacy, anonymity and pseudonymity for biometric user authentication applications. On the example of a login application we summarize the potential vulnerabilies and enumerate exampel approaches from IT security to minimize the security risks.

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