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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

FIG. 23 is a block diagram of a detailed configuration of a normal motion vector predictor mode derivation unit 401 in FIG. 22.

FIG. 24 is a block diagram of a detailed configuration of a normal merge mode derivation unit 402 in FIG. 22.

FIG. 25 is a flowchart illustrating a normal motion vector predictor mode derivation process of a normal motion vector predictor mode derivation unit 401 in FIG. 22.

FIG. 26 is a diagram illustrating a history-based motion vector predictor candidate list initialization/update processing procedure.

FIG. 27 is a flowchart of an identical element confirmation processing procedure in the history-based motion vector predictor candidate list initialization/update processing procedure.

FIG. 28 is a flowchart of an element shift processing procedure in the history-based motion vector predictor candidate list initialization/update processing procedure.

FIG. 29 is a flowchart illustrating a history-based motion vector predictor candidate derivation processing procedure.

FIG. 30 is a flowchart illustrating a history-based merging candidate derivation processing procedure.

權(quán)利要求

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