Facial image encryption for secure face recognition system

Abusham, E., Ibrahim, B., Zia, K. and Rehman, M. (2023) Facial image encryption for secure face recognition system. Electronics, 12(3), 774. (doi: 10.3390/electronics12030774)

Abstract

A biometric authentication system is more convenient and secure than graphical or textual passwords when accessing information systems. Unfortunately, biometric authentication systems have the disadvantage of being susceptible to spoofing attacks. Authentication schemes based on biometrics, including face recognition, are susceptible to spoofing. This paper proposes an image encryption scheme to counter spoofing attacks by integrating it into the pipeline of Linear Discriminant Analysis (LDA) based face recognition. The encryption scheme uses XOR pixels substitution and cellular automata for scrambling. A single key is used to encrypt the training and testing datasets in LDA face recognition system. For added security, the encryption step requires input images of faces to be encrypted with the correct key before the system can recognize the images. An LDA face recognition scheme based on random forest classifiers has achieved 96.25% accuracy on ORL dataset in classifying encrypted test face images. In a test where original test face images were not encrypted with keys used for encrypted feature databases, the system achieved 8.75% accuracy only showing it is capable of resisting spoofing attacks.

• Item Type: Articles
• Status: Published
• Refereed: Yes
• Glasgow Author(s) Enlighten ID: Zia, Dr Kashif

Creator Roles

Zia, K.: Validation, Resources, Writing – review and editing, Visualization

• Authors: Abusham, E., Ibrahim, B., Zia, K., and Rehman, M.
• College/School: College of Medical Veterinary and Life Sciences > School of Health & Wellbeing > MRC/CSO SPHSU
• Journal Name: Electronics
• Publisher: MDPI
• ISSN: 2079-9292
• ISSN (Online): 2079-9292
• Published Online: 03 February 2023
• Copyright Holders: Copyright © 2023 The Authors
• First Published: First published in Electronics 12(3): 774
• Publisher Policy: Reproduced under a Creative Commons License