US 12,106,608 B2
Apparatus and method for user authentication based on face recognition and handwritten signature verification
Ki-Yoong Hong, Seoul (KR)
Assigned to SECUVE Co., Ltd., Seoul (KR)
Appl. No. 16/758,795
Filed by SECUVE Co., Ltd., Seoul (KR)
PCT Filed Nov. 21, 2019, PCT No. PCT/KR2019/015989
§ 371(c)(1), (2) Date Apr. 25, 2022,
PCT Pub. No. WO2020/241987, PCT Pub. Date Dec. 3, 2020.
Claims priority of application No. 10-2019-0061591 (KR), filed on May 27, 2019.
Prior Publication US 2022/0245969 A1, Aug. 4, 2022
Int. Cl. G06V 40/70 (2022.01); G06F 21/32 (2013.01); G06V 40/16 (2022.01); G06V 40/30 (2022.01)
CPC G06V 40/70 (2022.01) [G06F 21/32 (2013.01); G06V 40/172 (2022.01); G06V 40/394 (2022.01)] 13 Claims
OG exemplary drawing
 
1. A method for user authentication based on face recognition and handwritten signature verification, the method comprising:
receiving a handwritten signature of a user;
acquiring a face image of the user who inputs the handwritten signature;
performing a first analysis step of determining whether the user is a legitimate user, on the basis of characteristics information of the face image;
adjusting a reference value for handwritten signature verification, according to a result of the first analysis step; and
performing a second analysis step of determining whether the user is the legitimate user, on the basis of characteristics information of the received handwritten signature and the adjusted reference value.