Biometric person authentication with video-based eye tracking

Pao Yue-kong Library Electronic Theses Database

Biometric person authentication with video-based eye tracking


Author: Tan, Fei
Title: Biometric person authentication with video-based eye tracking
Degree: M.Sc.
Year: 2011
Subject: Hong Kong Polytechnic University -- Dissertations
Biometric identification
Identification -- Automation
Department: Faculty of Engineering
Pages: 63 leaves : col. ill. ; 30 cm.
InnoPac Record:
Abstract: Biometric authentication methods have been widely studied in recent years. Different physiological and behavioral traits are explored to perform person authentication, such as hand/finger images, facial characteristics, iris patterns, signatures, audio, and so on. In this dissertation, we present a new biometric authentication method, video-based eye tracking biometric authentication. An attention-catching video is designed to track how people pursue moving objects with an eye tracker. Various properties of eye tracking data, including acceleration, geometric, and muscle characteristics, are studied and extracted for biometric person authentication. In total, 34 features are extracted from the eye tracking data and evaluated by a feature selection algorithm. To achieve more efficient biometric authentication, the most discriminative features selected from the 34 features based on the feature evaluation are used to represent the physiological/behavior characteristics of human subjects. Finally, two different classifiers, Back Propagation (BP) Neural Network and Support Vector Machine (SVM), are trained to perform person authentication. Experimental results show that eleven selected physiological/behavior features achieve the best authentication performance of 82% correct rate by using the SVM classifier.

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