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Moving picture coding device, moving picture coding method, moving picture coding program, moving picture decoding device, moving picture decoding method, and moving picture decoding program

專利號
US11800087B2
公開日期
2023-10-24
申請人
JVCKENWOOD Corporation（JP Yokohama）
發(fā)明人
Shigeru Fukushima; Toru Kumakura; Hideki Takehara; Hiroya Nakamura; Satoru Sakazume; Hiroyuki Kurashige
IPC分類
H04N19/105; H04N19/51; H04N19/139; H04N19/159; H04N19/172
技術(shù)領(lǐng)域
prediction,predictor,motion,candidate,vector,merging,picture,coding,inter,derivation
地域： Yokohama

摘要

There is provided a technique that includes a triangle merging candidate list constructor structured to construct a triangle merging candidate list including spatial merging candidates, a first triangle merging candidate selector structured to select, from the triangle merging candidate list, a first triangle merging candidate that is uni-prediction, and a second triangle merging candidate selector structured to select, from the triangle merging candidate list, a second triangle merging candidate that is uni-prediction, in which in a region where motion compensation by weighted averaging by the first triangle merging candidate and the second triangle merging candidate is performed, uni-prediction motion information of one of the first triangle merging candidate or the second triangle merging candidate is saved.

說明書

First, for an M-th candidate in the derived merging candidate list mergeCandList, determination is made as to whether a candidate M has motion information of the motion information list L0 (step S3601). In a case where the candidate M has the motion information of the motion information list L0, the motion information of the motion information list L0 of the candidate M is set as a triangle merging candidate (step S3602). For candidates M (M=0, 1, . . . , numMergeCand?1), steps S3601 and step S3602 are performed in ascending order, and triangle merging candidates are additionally derived.

Subsequently, for the M-th candidate in the derived merging candidate list mergeCandList, determination is made as to whether the candidate M has motion information of the motion information list L1 (step S3603). In a case where the candidate M has the motion information of the motion information list L1, the motion information of the motion information list L1 of the candidate M is set as a triangle merging candidate (step S3604). For candidates M (M=numMergeCand?1, . . . , 1, 0), steps S3603 and step S3604 are performed in descending order, and triangle merging candidates are additionally derived.

FIG. 42 is a flowchart illustrating derivation of uni-prediction motion information of a merge triangle partition 1 according to the present embodiment.

權(quán)利要求

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