FIELD: physics; image processing.
SUBSTANCE: present invention relates to dactylography and can be used for preventing unauthorised access to a protected system by random persons. The method of identifying a living finger is based on comparing distinctive features of a papillary figure when a finger is pressed twice to the receiving surface of a scanner. The degree of linearity of displacement of coordinates of the distinctive features of the papillary figure determines whether the finger is living.
EFFECT: increased security of the system.
2 dwg
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