Abderrahim Fayçal Megri

A Hybrid Chaotic and Random Grid Visual Cryptography-Based Framework for Secure and Revocable Biometric Template Protection

Biometric authentication systems are increasingly deployed in critical security applications, yet the irreplaceable nature of biometric traits poses fundamental risks when templates are compromised. Unlike passwords or tokens, biometric data cannot be reissued, making template protection a paramount concern for preserv...