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. 18, 2025
Filed:
Jun. 28, 2022
Applicant:
Huawei Technologies Co., Ltd., Guangdong, CN;
Inventors:
Yin Zhao, Hangzhou, CN;
Haitao Yang, Shenzhen, CN;
Assignee:
HUAWEI TECHNOLOGIES CO., LTD., Guangdong, CN;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H04N 19/44 (2014.01); H04N 19/105 (2014.01); H04N 19/13 (2014.01); H04N 19/169 (2014.01); H04N 19/176 (2014.01);
U.S. Cl.
CPC ...
H04N 19/44 (2014.11); H04N 19/105 (2014.11); H04N 19/13 (2014.11); H04N 19/176 (2014.11); H04N 19/1883 (2014.11);
Abstract
The present disclosure discloses a video decoding method and a video decoder. The method includes: parsing coding tree split information to obtain a current node; determining coordinates of an upper-left corner of a region covered by a current quantization group based on a depth N of the current node; obtaining a QP delta of a current CU in the region covered by the current quantization group; and obtaining a reconstructed picture of the current CU based on the QP delta of the current CU.