The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.

The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.

Date of Patent:
Sep. 05, 2023

Filed:

Mar. 22, 2021
Applicant:

Beijing Baidu Netcom Science and Technology CO Ltd, Beijing, CN;

Inventors:

Ruifeng Li, Beijing, CN;

Lei Yuan, Beijing, CN;

Xing Dai, Beijing, CN;

Qinglin Qin, Beijing, CN;

Zhuo Sun, Beijing, CN;

Zhiqiang Liu, Beijing, CN;

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G06V 20/40 (2022.01); G06F 18/214 (2023.01); G06V 20/62 (2022.01);
U.S. Cl.
CPC ...
G06V 20/46 (2022.01); G06F 18/214 (2023.01); G06V 20/635 (2022.01);
Abstract

A method and an apparatus for recognizing a key identifier in a video, a device and a storage medium are disclosed. The method includes: extracting a plurality of key frames from the video; generating a mask of the key identifier by using a difference between the plurality of key frames; determining, in video frames of the video, a key identifier area image by using the mask; and recognizing the key identifier area image to obtain a key identifier category included in the video.


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