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:
Apr. 01, 2025

Filed:

Jan. 28, 2022
Applicant:

Suzhou Metabrain Intelligent Technology Co., Ltd., Jiangsu, CN;

Inventors:

Yongxing Zhang, Jiangsu, CN;

Xingyuan Li, Jiangsu, CN;

Zhen Qin, Jiangsu, CN;

Jingjing Chen, Jiangsu, CN;

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H04N 19/105 (2014.01); H04N 19/119 (2014.01); H04N 19/176 (2014.01);
U.S. Cl.
CPC ...
H04N 19/105 (2014.11); H04N 19/119 (2014.11); H04N 19/176 (2014.11);
Abstract

Disclosed in the present disclosure is a video image coding method. The method includes: dividing an image frame to be coded into a plurality of sub-blocks, and assigning coordinates to each sub-block; calculating a hash value corresponding to an i-th sub-block according to a content of the i-th sub-block; performing a search in a first hash table by using the hash value corresponding to the i-th sub-block; in response to the coordinates of the first reference block being valid, acquiring a content of the first reference block according to the coordinates of the first reference block, and comparing the content of the first reference block with the content of the i-th sub-block; and in response to the content of the first reference block being consistent with the content of the i-th sub-block, performing Intra Block Copy (IBC) coding on the i-th sub-block.


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