Patent ID: 11893829
Assignee: CHINA UNIONPAY CO., LTD.
Field: Computer technology (Electrical engineering)
Classification: CPC G | IPC G

Claim 10:
11. The method of claim 8, further comprising:
obtaining current business information of the user;
wherein the invoking one level-i face sample sub-library in the password face sample library comprises:
determining candidate face sample sub-libraries in the password face sample library, wherein the candidate face sample sub-libraries are all level-i face sample sub-libraries having a number of face samples less than the preset sample number threshold;
selecting, from the candidate face sample sub-libraries, the one level-i face sample sub-library for invoking, wherein the level-1 to level-i classification data labels of the one level-i face sample sub-library are consistent with the attributes of the current business information of the user.