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:
Jul. 16, 2024

Filed:

Apr. 19, 2023
Applicants:

Electronics and Telecommunications Research Institute, Daejeon, KR;

Hanbat National University Industry-academic Cooperation Foundation, Daejeon, KR;

Inventors:

Ha Hyun Lee, Daejeon, KR;

Jung Won Kang, Daejeon, KR;

Sung Chang Lim, Daejeon, KR;

Jin Ho Lee, Daejeon, KR;

Hui Yong Kim, Daejeon, KR;

Hae Chul Choi, Daejeon, KR;

Dae Hyeok Gwon, Daejeon, KR;

Jae Ryun Choi, Daejeon, KR;

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H04N 19/00 (2014.01); H04N 19/105 (2014.01); H04N 19/137 (2014.01); H04N 19/159 (2014.01); H04N 19/176 (2014.01);
U.S. Cl.
CPC ...
H04N 19/137 (2014.11); H04N 19/105 (2014.11); H04N 19/159 (2014.11); H04N 19/176 (2014.11);
Abstract

Disclosed herein is a method of decoding an image. The method includes determining a prediction mode of a current block as a merge mode with motion vector difference (MMVD), deriving a merge candidate list of the current block, deriving a motion vector predictor of the current block using the merge candidate list, deriving a motion vector difference of the current block, and deriving a motion vector of the current block using the motion vector predictor and the motion vector difference. Only some of candidates in the merge candidate list are used to derive the motion vector predictor.


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