A liveness detection system for sclera biometric applications Online publication date: Fri, 06-Oct-2023
by Sumanta Das; Ishita De Ghosh; Abir Chattopadhyay
International Journal of Biometrics (IJBM), Vol. 15, No. 6, 2023
Abstract: Liveness detection systems are essential to test whether a biometric sample is from a live person. However, liveness detection for sclera biometric applications has not yet been investigated much. In a sensor-based approach, subjects are requested to view at specified directions. A gaze detection model LivGaze is proposed to verify whether the actual gaze direction matches with the requested one. A mismatch indicates an incorrect user response and hence a probable spoofing attack. In a feature-based approach, deep model LivDense is proposed for presentation attack detection. Three types of fake images are used for our work, namely, images scanned from printed papers, smart-phone display screens, and computer display screens. The two phases in a pipeline can be combined to form a system named LivSclera, which is efficient and cost-effective. We have achieved an average-case AUC of 0.987, accuracy of 0.99, and in the best-case 100% correct classifications on MASDUM dataset.
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