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:
Oct. 06, 2026

Filed:

Feb. 06, 2025
Applicant:

Tencent America Llc, Palo Alto, CA (US);

Inventors:

Yonguk Yoon, Palo Alto, CA (US);

Lien-Fei Chen, Palo Alto, CA (US);

Han Gao, Palo Alto, CA (US);

Biao Wang, Palo Alto, CA (US);

Roman Chernyak, Palo Alto, CA (US);

Shan Liu, Palo Alto, CA (US);

Motong Xu, Palo Alto, CA (US);

Ziyue Xiang, Palo Alto, CA (US);

Assignee:

TENCENT AMERICA LLC, Palo Alto, CA (US);

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H04N 19/154 (2014.01); H04N 19/156 (2014.01); H04N 19/159 (2014.01); H04N 19/176 (2014.01); H04N 19/70 (2014.01);
U.S. Cl.
CPC ...
H04N 19/176 (2014.11); H04N 19/159 (2014.11); H04N 19/70 (2014.11);
Abstract

The various implementations described herein include methods and systems for coding video. In one aspect, a method includes receiving a video bitstream comprising a plurality of blocks that includes a current block; identifying a block vector for the current block; determining a minimum-cost position in a predetermined area of a location indicated by the block vector; deriving a sub-pixel position based on the minimum-cost position; and reconstructing the current block using the sub-pixel position.


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