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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
技術領域
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 all the embodiments described above, the bitstream output from the picture coding device has a specific data format so as to be decoded following the coding method used in the embodiment. Furthermore, the picture decoding device corresponding to the picture coding device is capable of decoding the bitstream of the specific data format.

In a case where a wired or wireless network is used to exchange a bitstream between the picture coding device and the picture decoding device, the bitstream may be converted to a data format suitable for the transmission form of the communication channel in transmission. In this case, there are provided a transmission device that converts the bitstream output from the picture coding device into coded data in a data format suitable for the transmission form of the communication channel and transmits the coded data to the network, and a reception device that receives the coded data from the network to be restored to the bitstream and supplies the bitstream to the picture decoding device. The transmission device includes memory that buffers a bitstream output from the picture coding device, a packet processing unit that packetizes the bitstream, and a transmitter that transmits packetized coded data via a network. The reception device includes a receiver that receives a packetized coded data via a network, memory that buffers the received coded data, and a packet processing unit that packetizes coded data to construct a bitstream and supplies the constructed bitstream to the picture decoding device.

權利要求

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