“…A number of biometric technologies have been developed based on diverse biometric cues, such as DNA [1], ear [2], face [3], fingerprint [4], gait [5], hand and finger geometry [6], iris [7], keystroke [8], odor [9], palm print [10], hand writing and signature [11], and voice [12]. These cues showed their usefulness in various applications, ranging from Internet access and computer system security, secure electronic access, passport control, banking, mobile phone, credit card fraud protection, secure access to building, health and social services, parenthood lineage determination, antiterrorist, and forensics.…”