Towards Usable Authentication on Mobile Phones: An Evaluation of Speaker and Face Recognition on Off-the-Shelf Handsets
Authors: Rene Mayrhofer, Thomas Kaiser

Date: June 2012
Publication: Proceedings of the Fourth International Workshop on Security and Privacy in Spontaneous Interaction and Mobile Phone Use, IWSSISPMU 2012
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Abstract or Summary:
Authenticating users on mobile devices is particularly challenging because of usability concerns: authentication must be quick and as unobtrusive as possible. Therefore, biometric methods seem well suited for mobile phones. We evaluate both speaker and face recognition methods on off-the-shelf mobile devices concerning their accuracy, suitability for dealing with low-quality recordings, and running with limited resources. Our results show that speaker and face recognition can realistically be used on mobile phones, but that improvements -- e.g. in the form of combining multiple methods -- are still necessary and subject to future work.

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