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

Claim 3:
4. The video retrieval method of claim 3, wherein the constructing the mapping relationship according to the text description sequence corresponding to each frame picture includes:
computing a second correlation between the text description sequence corresponding to the previous frame picture set and the text description sequence corresponding to the next frame picture set in all text description sequences;
determining a chapter attribute of the text description sequence corresponding to the previous frame picture set and the text description sequence corresponding to the next frame picture set according to comparison results of the second correlation with a preset first threshold and a preset second threshold;
classifying all text description sequences into a tree-like directory structure according to the chapter attribute of the text description sequence corresponding to the previous frame picture set and the text description sequence corresponding to the next frame picture set among all the text description sequences; and
according to the tree-like directory structure and the text description sequence corresponding to each frame picture, constructing the mapping relationship based on the chapter attribute.