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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.

說明書

In a case where the current number of motion vector predictor candidates numCurrMvpCand is larger than or equal to the maximum number of elements of the motion vector predictor candidate list mvpListLX (here, 2), or the number of history-based motion vector predictor candidates NumHmvpCand is 0 (step S2201: NO in FIG. 29), the process of steps S2202 to S2209 of FIG. 29 will be omitted, and the history-based motion vector predictor candidate derivation processing procedure will be finished. In a case where the number numCurrMvpCand of the current motion vector predictor candidates is smaller than 2, which is the maximum number of elements of the motion vector predictor candidate list mvpListLX, and in a case where the value of the number NumHmvpCand of the history-based motion vector predictor candidates is greater than 0 (step S2201: YES in FIG. 29), the process of steps S2202 to S2209 in FIG. 29 will be performed.

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