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A client-entropy measure for on-line signatures

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HAL Id: hal-01374026

https://hal.archives-ouvertes.fr/hal-01374026

Submitted on 29 Sep 2016

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A client-entropy measure for on-line signatures

Sonia Garcia-Salicetti, Nesma Houmani, Bernadette Dorizzi

To cite this version:

Sonia Garcia-Salicetti, Nesma Houmani, Bernadette Dorizzi. A client-entropy measure for on-line

signatures. BSYM 2008 : Biometrics Symposium, Sep 2008, Tampa, United States. pp.83 - 88,

�10.1109/BSYM.2008.4655527�. �hal-01374026�

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OP#$7aE$E In this article, .e propose an original .ay to characteri3e information content in 6nline Signatures through a client9entropy measure based on local density estimation by a Hidden Mar>ov Model. Ae sho. that this measure can be used to categori3e signatures in visually coherent classes that can be related to complexity and variability criteria. Cesides, the generated categories are coherent across four different databases: CI6MET, MCHT9IJJ, CioSecure data subsets DSL and DSM. This measure allo.s a comparison of databases in terms of clients’ signatures according to their information content.

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