| 摘要 |
<P>PROBLEM TO BE SOLVED: To satisfactorily maintain accuracy of biometric authentication while surely responding to variations in biological information. <P>SOLUTION: The system includes: a storage biological information acquisition part 107 which acquires biological information from a biological information extraction device as storage biological information; an authentication biological information acquisition part 108 which acquires biological information in biometric authentication read for an object person from a biological information authentication device as authentication biological information; an update instruction part 109 which executes collation processing of storage biological information with authentication biological information, and transmits, when both are matched, a storage instruction of authentication biological information including the authentication biological information to a storage device; and a non-similar information deletion instruction part 111 which collates a plurality of pieces of biological information stored in the storage device with the authentication biological information, and transmits a deletion instruction of the biological information lowest in the similarity with the authentication biological information of the plurality of pieces of biological information stored in the storage device. <P>COPYRIGHT: (C)2010,JPO&INPIT |
