Patent ID: 11966848
Assignee: CAMBRICON TECHNOLOGIES CORPORATION LIMITED
Field: nan (nan)
Classification: CPC nan | IPC G

Claim 0:
1. A video retrieval method, comprising:
sampling a video stream to obtain a plurality of frame pictures contained in the video stream;
performing a feature extraction operation on each frame picture by using a feature extraction model to obtain a key feature sequence corresponding to each frame picture, wherein the key feature sequence includes at least one key feature of the frame picture;
inputting the key feature sequence corresponding to each frame picture into a text sequence extraction model for processing to obtain a text description sequence corresponding to each frame picture;
constructing the mapping relationship according to the text description sequence corresponding to each frame picture;
obtaining a retrieval instruction which carries retrieval information used for retrieving a target frame picture; and
obtaining the target frame picture according to the retrieval information and a preset mapping relationship, wherein the mapping relationship includes a correspondence between different text description sequences and frame pictures, where the text description sequences are sequences of text describing content of a frame picture.