CPC G07C 9/37 (2020.01) [G06F 21/32 (2013.01); G06V 40/172 (2022.01); G07C 2209/08 (2013.01)] | 11 Claims |
1. A biometric authentication apparatus comprising:
a memory containing program instructions; and
a processor coupled to the memory, wherein the processor is configured to execute the program instructions to:
acquire biological information of an authentication target;
perform biometric authentication on the biological information on a basis of a threshold;
measure elapsed time from a time of starting operation of the biometric authentication apparatus;
receive a request for changing the threshold from a user via a threshold change screen shown on a display device and that includes a slide bar for designating the threshold, and restrict changing of the threshold to a value larger than a value determined depending on the measured elapsed time; and
when the threshold designated by the slide bar is a value larger than the value determined depending on the measured elapsed time, display on the display device a message prompting changing of the threshold designated by the slide bar to a value smaller than the value determined depending on the measured elapsed time.
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