User Centered Design and Evaluation of an Eye Movement-Based Biometric Authentication System

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Biometric authentication systems offer advantages over knowledge-based and token-based systems because the authors do not require users to remember anything or carry a physical object. However, usability and acceptability issues have often been neglected in favor of optimizing technical performance. They present on the design and development of a novel biometric authentication system. The system uses eye tracking to generate a "Gaze print" that reflects unique physical properties of the user's eye and surrounding muscle. Their development process focuses equally on technical performance and usability.