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A survey on touch dynamics authentication in mobile devices
ABSTRACT
There have been research activities in the area of keystroke dynamics biometrics on physical
keyboards (desktop computers or conventional mobile phones) undertaken in the past
three decades. However, in terms of touch dynamics biometrics on virtual keyboards (modern
touchscreen mobile devices), there has been little published work. Particularly, there is a
lack of an extensive survey and evaluation of the methodologies adopted in the area. Owing
to the widespread use of touchscreen mobile devices, it is necessary for us to examine the
techniques and their effectiveness in the domain of touch dynamics biometrics. The aim
of this paper is to provide some insights and comparative analysis of the current state of
the art in the topic area, including data acquisition protocols, feature data representations,
decision making techniques, as well as experimental settings and evaluations.With
such a survey, we can gain a better understanding of the current state of the art, thus identifying
challenging issues and knowledge gaps for further research.
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