PERSONAL IDENTIFICATION SYSTEM

摘要

PROBLEM TO BE SOLVED: To provide a personal identification system allowing improvement of authentication accuracy by an easy process.

SOLUTION: This personal identification system has: an authentication information generation means 1 generating authentication information on the basis of a biological characteristic of an individual or another person; and an authentication execution means 2 executing authentication of the individual by use of the authentication information and in-authentication individual characteristic information when executing the authentication. The authentication information generation means 1 includes: an individual characteristic information acquisition part 11 acquiring individual characteristic information; an another person characteristic information storage part 12 storing another person characteristic information; an authentication information learning part 13 learning the authentication information on the basis of the individual characteristic information and the another person characteristic information; and an authentication information output part 14 outputting the authentication information. The authentication execution means 2 includes: an in-authentication individual characteristic information acquisition part 21 acquiring the individual characteristic information in time of the authentication; an authentication information storage part 22 storing the authentication information; a main authentication execution part 23 executing main authentication; an additional authentication execution part 24 executing additional authentication according to an authentication result; and an authentication result output part 25 outputting a result.

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