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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(kāi)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(shū)

After completion of confirmation of all the elements in the history-based motion vector predictor candidate list or completion of addition of merging candidates to all elements in the merging candidate list, the history-based merging candidate derivation process is completed.

Average Merging Candidate Derivation Process

The following is a detailed description of a method of deriving an average merging candidate, a procedure of the process of step S403 in FIG. 21, which is a common process of the average merging candidate derivation unit 344 of the normal merge mode derivation unit 302 on the coding side and the average merging candidate derivation unit 444 of the normal merge mode derivation unit 402 on the decoding side. FIG. 39 is a flowchart illustrating an average merging candidate derivation processing procedure

First, an initialization process is performed (step S1301 in FIG. 39). The variable numOrigMergeCand is set to the number of elements numCurrMergeCand registered in the current merging candidate list.

權(quán)利要求

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