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Activity related biometrics based on motion trajectories

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2010

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Gesellschaft für Informatik e.V.

Zusammenfassung

The current paper contributes to the concept of activity-related biometric authentication in ambient Intelligence environments. The motivation behind the proposed approach derives from activity-related biometrics and is mainly focusing on everyday activities. The activity sequence is captured by a stereoscopic camera and the resulting 2.5D data are processed to extract valuable unobtrusive activity-related features. The novel contribution of the current work lies in the warping of the extracted movements trajectories, so as to compensate for different environmental settings. Au- thentication is performed utilizing both HMM and GMMs. The authentication results performed on a database with 32 subjects show that the current work outperforms existing approaches especially in the case of non-interaction restricting scenarios.

Beschreibung

Drosou, Anastasios; Moustakas, Konstantinos; Ioannidis, Dimos; Tzovaras, Dimitrios (2010): Activity related biometrics based on motion trajectories. BIOSIG 2010: Biometrics and Electronic Signatures. Proceedings of the Special Interest Group on Biometrics and Electronic Signatures. Bonn: Gesellschaft für Informatik e.V.. PISSN: 1617-5468. ISBN: 978-3-88579-258-1. pp. 127-132. Regular Research Papers. Darmstadt. 09.-10. September 2010

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