“…1,2 Among several emerging biometric-based approaches, fingerprint and face-based authentication mechanisms are the most widely used. 3,4 The features of biometric traits and their authentication mechanisms, such as universality, permanence, uniqueness, the low storage requirement for storing biometric templates, ease of use in fields, inexpensive scanning devices, and so forth, 5 make biometric authentication an attractive option for a variety of applications such as in banking, for home security, and so forth. 6 A biometric-based authentication system requires a scanning device to capture biometric traits, a database to store enrolled biometric templates, and application software to capture and verify the biometric template of the subject.…”