Invention Grant
US09542543B2 Biometric authentication device, biometric authentication method and computer readable, non-transitory medium 有权
生物认证设备,生物识别方法和计算机可读,非暂时性介质

Biometric authentication device, biometric authentication method and computer readable, non-transitory medium
Abstract:
A biometric authentication device including: a data-for-matching generation portion generating a data for matching from biometric information; an update-demand determine portion determining whether a registered data registered for matching with the data for matching needs updating or not, based on a difference between biometric quality of the registered data and biometric quality of the data for matching; and a registered data replace portion replacing the registered data by a generated data for updating, according to a determination result of the update-demand determine portion.
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