Title:
METHOD, APPARATUS AND DEVICE FOR UPDATING FEATURE VECTOR DATABASE, AND MEDIUM
Document Type and Number:
WIPO Patent Application WO/2023/134232
Kind Code:
A1
Abstract:
The present application belongs to the field of data processing. Disclosed are a method, apparatus and device for updating a feature vector database, and a medium. The method comprises: acquiring a first biological feature in a service request; according to the first biological feature and by means of a first algorithm model and a second algorithm model, respectively obtaining a first feature vector and a second feature vector, wherein a first feature vector database comprises a sample feature vector obtained on the basis of the first algorithm model; performing validity verification on the second feature vector according to an associated feature vector of a first user corresponding to a first sample feature vector; and when the second feature vector passes validity verification, obtaining a second sample feature vector of the first user on the basis of the second feature vector, and storing the second sample feature vector in a second feature vector database configured for the second algorithm model.
Inventors:
WANG WEIPENG (CN)
KANG JIALIANG (CN)
BIAN KAI (CN)
JI NAIGENG (CN)
KANG JIALIANG (CN)
BIAN KAI (CN)
JI NAIGENG (CN)
Application Number:
PCT/CN2022/123997
Publication Date:
July 20, 2023
Filing Date:
October 09, 2022
Export Citation:
Assignee:
CHINA UNIONPAY CO LTD (CN)
International Classes:
G06F21/32
Foreign References:
| CN114417294A | 2022-04-29 | |||
| CN108573038A | 2018-09-25 | |||
| CN113870865A | 2021-12-31 | |||
| CN107610709A | 2018-01-19 | |||
| US20190385086A1 | 2019-12-19 |
Attorney, Agent or Firm:
BEIJING EAST IP LTD. (CN)
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