US 12,283,079 B2
Method, device, and computer program product for video retrieval
Zhisong Liu, Shenzhen (CN); Zijia Wang, Weifang (CN); and Zhen Jia, Shanghai (CN)
Assigned to Dell Products L.P., Round Rock, TX (US)
Filed by Dell Products L.P., Round Rock, TX (US)
Filed on Apr. 3, 2023, as Appl. No. 18/129,949.
Claims priority of application No. 202310183124.7 (CN), filed on Feb. 28, 2023.
Prior Publication US 2024/0290062 A1, Aug. 29, 2024
Int. Cl. H04N 21/239 (2011.01); G06F 16/78 (2019.01); G06V 10/40 (2022.01); H04N 21/231 (2011.01); H04N 21/8405 (2011.01)
CPC G06V 10/40 (2022.01) [G06F 16/7867 (2019.01); H04N 21/8405 (2013.01)] 20 Claims
OG exemplary drawing
 
13. An electronic device, comprising:
a processor; and
a memory coupled to the processor, wherein the memory has instructions stored therein which, when executed by the processor, cause the electronic device to perform actions comprising:
determining a retrieval level corresponding to a retrieval word in response to receiving a retrieval request comprising the retrieval word from a client;
determining a video database corresponding to the retrieval level among a plurality of video databases, wherein the plurality of video databases store image frames for different frame rates of the same video, with a first one of the plurality of video databases corresponding to a first retrieval level storing image frames extracted from the same video at a first frame rate and a second one of the plurality of video databases corresponding to a second retrieval level different than the first retrieval level storing image frames extracted from the same video at a second frame rate different than the first frame rate;
retrieving an image frame associated with the retrieval word from the determined video database; and
sending the retrieved image frame to the client.