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.
Patent No.:
Date of Patent:
Feb. 17, 2026
Filed:
Nov. 10, 2022
Applicant:
Hangzhou Hikvision Digital Technology Co., Ltd., Hangzhou, CN;
Inventors:
Assignee:
HANGZHOU HIKVISION DIGITAL TECHNOLOGY CO., LTD., Hangzhou, CN;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H04N 19/124 (2014.01); H04N 19/172 (2014.01); H04N 19/186 (2014.01);
U.S. Cl.
CPC ...
H04N 19/124 (2014.11); H04N 19/172 (2014.11); H04N 19/186 (2014.11);
Abstract
A decoding method and apparatus, and an encoding method and apparatus for a picture are provided, and relate to the field of video encoding and decoding. The decoding method includes: analyzing a code stream to obtain one or more picture frames, wherein a picture frame comprises one or more coding units (CUs); determining a plurality of quantization parameter (QP) values for the picture frame, wherein a CU comprises a plurality of quantization groups (QGs), and a QG corresponds to a QP value; and decoding the picture frame based on the plurality of QP values.