The Role of Visual Coherence in Graphical Passwords

Abstract

Graphical password is an alternative method of authentication to alphanumerical passwords. From the perspective of research on human memory, it is yet another novel technology that introduces challenges on human memory components. In this study, we aim to investigate the previous findings in human visual memory in the domain of graphical passwords by analyzing the role of visual coherence in passwords. The results of an experimental study reveal that in terms of memorability, coherent images are better candidates as graphical password images than jumbled images.


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