Title:
VIDEO TEXT TRACKING METHOD AND ELECTRONIC DEVICE
Document Type and Number:
WIPO Patent Application WO/2023/115838
Kind Code:
A1
Abstract:
The present invention relates to a video text tracking method and an electronic device. The method comprises: extracting a plurality of video frames from a video (S11); acquiring a text sequence feature of text in each video frame, a position feature of a text region where the text is located, and an image feature corresponding to the text region (S13); respectively determining, according to the text sequence feature, the position feature and the image feature of each video frame, a fusion feature descriptor corresponding to each video frame (S15); and updating a stored reference tracking trajectory on the basis of the fusion feature descriptor corresponding to each video frame, so as to obtain a tracking trajectory of the text in the video, the tracking trajectory being used for representing position information of the text in the video (S17). The present invention can improve the accuracy of video text tracking trajectory determination.
Inventors:
LI ZHUANG (CN)
Application Number:
PCT/CN2022/097877
Publication Date:
June 29, 2023
Filing Date:
June 09, 2022
Export Citation:
Assignee:
BEIJING DAJIA INTERNET INFORMATION TECH CO LTD (CN)
International Classes:
G06T7/246
Foreign References:
| CN114463376A | 2022-05-10 | |||
| CN107545210A | 2018-01-05 | |||
| CN112954455A | 2021-06-11 | |||
| CN113392689A | 2021-09-14 | |||
| CN101533474A | 2009-09-16 | |||
| US20200320308A1 | 2020-10-08 |
Attorney, Agent or Firm:
BEIJING SAN GAO YONG XIN INTELLECTUAL PROPERTY AGENCY CO., LTD. (CN)
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