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. 01, 2024

Filed:

Oct. 21, 2022
Applicant:

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

Inventors:

Lien-Fei Chen, Hsinchu, TW;

Xiang Li, Saratoga, CA (US);

Shan Liu, San Jose, CA (US);

Assignee:

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

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H04N 19/577 (2014.01); H04N 19/105 (2014.01); H04N 19/139 (2014.01); H04N 19/176 (2014.01); H04N 19/513 (2014.01);
U.S. Cl.
CPC ...
H04N 19/577 (2014.11); H04N 19/105 (2014.11); H04N 19/139 (2014.11); H04N 19/176 (2014.11); H04N 19/513 (2014.11);
Abstract

Aspects of the disclosure provide a method and an apparatus for video decoding. The apparatus includes processing circuitry that decodes prediction information indicating bi-prediction with coding unit (CU)-level weights (BCW) for a current block in a current picture. The processing circuitry performs template matching (TM) on BCW candidate weights by determining a respective TM cost corresponding to each BCW candidate weight. Each TM cost is determined based on a portion or all of a current template of the current block and a respective bi-predictor template. The bi-predictor template is based on the respective BCW candidate weight, a portion or all of a first reference template in a first reference picture, and a portion or all of a second reference template in a second reference picture. The processing circuitry reorders the BCW candidate weights based on the respectively determined TM costs.


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