Towards usable authentication on mobile phones: An evaluation of speaker and face recognition on off-the-shelf handsets


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.

Proc. IWSSI/SPMU 2012: 4th International Workshop on Security and Privacy in Spontaneous Interaction and Mobile Phone Use, colocated with Pervasive 2012