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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(hào)
US11800087B2
公開日期
2023-10-24
申請(qǐng)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(shuō)明書

Subsequently, in the merging candidate replenisher 346 and the merging candidate replenisher 446, in a case where the number of merging candidates numCurrMergeCand registered in the merging candidate list mergeCandList is smaller than the maximum number of merging candidates MaxNumMergeCand, an additional merging candidate is derived with the number of merging candidates numCurrMergeCand registered in the merging candidate list mergeCandList being limited to the maximum number of merging candidates MaxNumMergeCand, and then registered to the merging candidate list mergeCandList (step S405 in FIG. 21). In the P slice, a merging candidate having the motion vector of a value (0, 0) and the prediction mode of L0-prediction (Pred_L0) is added with the maximum number of merging candidates MaxNumMergeCand as the upper limit. In the B slice, a merging candidate having the prediction mode of bi-prediction (Pred_BI) and the motion vector of a value (0, 0) is added. The reference index at the time of addition of a merging candidate is different from the reference index that has already been added.

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