Biometric identification 76 Data processing 76 Identification 43 Pattern recognition systems 43 Fingerprints 37 Image processing 16 Digital techniques 14 Algorithms 4 Automatic control 4 Doors 4 Human face recognition (Computer science) 4 Optical pattern recognition 4 Automobiles 2 Biomedical engineering 2 College attendance 2 Computer security 2 Cornea 2 Iris (Eye) 2 Neural networks (Computer science) 2 Real-time data processing 2 Safety appliances 2 Signature (Writing) 2 Signatures (Writing) 2 System design 2 Vehicle 2 Security systems 1 Student attendance 1