Biometric Authentication Apparatus and Biometric Authentication Method

摘要

A biometric authentication apparatus 200 for performing user authentication based on finger/palm print information representing a biological characteristic of fingerprint or palm print and vein information representing a biological characteristic of vein, comprises:
a finger/palm print information acquirer 102 arranged and adapted to obtain finger/palm print information from a selected portion of a person;
a vein information acquirer 130 arranged and adapted to obtain vein information from the selected portion of the person;
a sensor 104; 105 arranged and adapted to come in contact with the selected portion of the person and to output a signal corresponding to a pressing degree of the selected portion of the person against the sensor;
a controller 101 arranged and adapted to identify, responsive to the signal output from the sensor, whether a state of the selected portion of the person is suitable for obtaining the finger/palm print information and the vein information and to control the finger/palm print information acquirer and the vein information acquirer to obtain the finger/palm print information and the vein information according to a result of the identification; and
a user authenticator 110 arranged and adapted to perform user authentication based on the finger/palm print information and the vein information.