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

Claim 8:
9. 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:
obtaining a number of face samples in each first target face sample sub-library, and for each first target face sample sub-library, invoking the first target face sample sub-library under a condition that a number of face samples in the first target face sample sub-library is less than the preset sample number threshold;
obtaining a number of face samples in each second target face sample sub-library under a condition that the number of face samples in the first target face sample sub-library is greater than or equal to the preset sample number threshold, and until obtaining a number of face samples in an i-th target face sample sub-library that is less than the preset sample number threshold, invoking the i-th target face sample sub-library;
wherein the first target face sample sub-library is a level-1 face sample sub-library with a level-1 classification data label consistent with the attributes of the current business information of the user, the second target face sample sub-library is a level-2 face sample sub-library with a level-1 classification data label and a level-2 classification data label consistent with the attributes of the current business information of the user, and the i-th target face sample sub-library is a level-i face sample sub-library with level-1 to level-i classification data labels consistent with the attributes of the current business information of the user.