Biometric identification Identification 3 Pattern recognition systems 3 Automation 2 Computer networks 2 Computer science 1 Computer security 1 Computer vision 1 Dissertations, Academic (Ph.D) 1 Human face recognition (Computer science) 1 Image processing-Digital techniques 1 Iris recognition 1 Security / Cryptography 1 Security / General 1 Security measures 1 Technology & Engineering / Imaging Systems 1 Thesis (Ph.D)-Computer Science 1