  In view of the fact that biological characteristics have excellent
independent distinguishing characteristics,biometric identification technology
involves almost all the relevant areas of human distinction. Fingerprints,
iris, face, voice-print and other biological features have been widely used in
the public security departments to detect detection, mobile equipment unlock,
target tracking and other fields. With the use of electronic devices more and
more widely and the frequency is getting higher and higher. Only the Biometrics
identification technology with excellent recognition rate can guarantee the
long-term development of these fields.

Computer Vision and Pattern Recognition