US 12,216,748 B2
Authentication device, authentication method, and recording medium
Yuki Ohno, Tokyo (JP); and Kenji Iida, Tokyo (JP)
Assigned to NEC CORPORATION, Tokyo (JP)
Appl. No. 17/797,003
Filed by NEC Corporation, Tokyo (JP)
PCT Filed Feb. 5, 2021, PCT No. PCT/JP2021/004233
§ 371(c)(1), (2) Date Aug. 2, 2022,
PCT Pub. No. WO2021/157686, PCT Pub. Date Dec. 8, 2021.
Claims priority of application No. 2020-018847 (JP), filed on Feb. 6, 2020.
Prior Publication US 2023/0059887 A1, Feb. 23, 2023
Int. Cl. G06F 21/32 (2013.01)
CPC G06F 21/32 (2013.01) 12 Claims
OG exemplary drawing
 
1. An authentication device comprising:
at least one memory configured to store instructions; and
at least one processor configured to execute the instructions to:
compare, with feature value master data for authentication, each of a plurality of feature values needed for authentication, the plurality of feature values respectively having been
extracted from a plurality of pieces of acquired biometric information;
determine whether there is a difference among a plurality of mismatches in a feature value between the feature value master data and each of the plurality of feature values;
and
determine not to provide authentication in a case where there is no difference among the plurality of mismatches,
wherein fraudulent authenticating by at least spoofing is prevented by determining not to provide authentication in the case where there is no difference among the plurality of mismatches.