US 12,190,635 B2
Face search method and device, apparatus, and computer-readable storage medium
Daohua Pan, Guangdong (CN)
Assigned to ZTE CORPORATION, Shenzhen (CN)
Appl. No. 17/635,417
Filed by ZTE CORPORATION, Guangdong (CN)
PCT Filed Jul. 24, 2020, PCT No. PCT/CN2020/104519
§ 371(c)(1), (2) Date Feb. 15, 2022,
PCT Pub. No. WO2021/047305, PCT Pub. Date Mar. 18, 2021.
Claims priority of application No. 201910854591.1 (CN), filed on Sep. 10, 2019.
Prior Publication US 2022/0270403 A1, Aug. 25, 2022
Int. Cl. G06V 40/16 (2022.01); G06F 16/51 (2019.01)
CPC G06V 40/169 (2022.01) [G06F 16/51 (2019.01); G06V 40/172 (2022.01)] 16 Claims
OG exemplary drawing
 
1. A face search method, comprising:
acquiring feature information to be searched of a face image to be searched and image feature databases to be searched;
matching, in response to a first-type image feature database to be searched existing in the image feature databases to be searched, the feature information to be searched with respective feature information in the first-type image feature database to be searched, wherein the first-type image feature database is an image feature database where a volume of stored feature information is less than or equal to a preset first volume threshold;
matching, in response to a second-type image feature database to be searched existing in the image feature databases to be searched, the feature information to be searched with feature index related to respective feature information in the second-type image feature database to be searched, acquiring target feature index that has been matched successfully, and then matching the feature information to be searched with respective feature information related to the target feature index, wherein the second-type image feature database is an image feature database where a volume of stored feature information is greater than the preset first volume threshold; wherein a data amount of the feature information in the second-type image feature database is greater than a data amount of related feature index of the feature information in the second-type image feature database; and
obtaining a face search result according to an obtained matching result.