ISSN : 1796-203X
Volume : 2    Issue : 10    Date : December 2007

Direct and Indirect Human Computer Interaction Based Biometrics
Roman V. Yampolskiy, and Venu Govindaraju
Page(s): 76-88
Full Text:
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In this paper we survey the state of the art in direct and indirect human computer interaction based
biometrics. Direct HCI biometrics are based on abilities, style, preference, knowledge, or strategy
used by people while working with a computer. The indirect HCI-based biometrics are events that
can be obtained by monitoring users’ HCI behavior indirectly via observable low-level actions of
computer software. We examine current research and analyze the types of features used to
describe HCI behavior. After comparing accuracy rates for verification of users using different HCI-
based biometric approaches we address privacy issues which arise with the use of HCI dependant
biometrics. Finally, we present results of our experiments with direct and indirect HCI-based
behavioral biometrics employed as a part of an intrusion detection system.

Index Terms
behavioral biometrics, human computer interaction, intrusion detection.