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:
Nov. 04, 2025

Filed:

Jul. 16, 2024
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 19/533 (2014.01); H04N 19/105 (2014.01); H04N 19/137 (2014.01); H04N 19/176 (2014.01); H04N 19/46 (2014.01); H04N 19/88 (2014.01);
U.S. Cl.
CPC ...
H04N 19/137 (2014.11); H04N 19/105 (2014.11); H04N 19/176 (2014.11); H04N 19/46 (2014.11); H04N 19/88 (2014.11);
Abstract

In a method for video decoding in a video decoder, prediction information of a current block in a coded bitstream is decoded. The prediction information indicates that template matching (TM) is applied with a merge mode with motion vector difference (MMVD) mode and indicates motion vector difference (MVD) information of the current block. Using the MMVD mode, one or more MVD candidates is determined based on the MVD information. TM is performed to search for a matched MVD between a current template of the current block and a reference template of a reference block of the current block based on the one or more MVD candidates determined using the MMVD mode. The current block is reconstructed based on a motion vector (MV) that is a summation of a motion vector predictor (MVP) and the matched MVD.


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