公开(公告)号：US12170769B2

公开(公告)日：2024-12-17

申请号：US17729818

申请日：2022-04-26

Applicant: Socionext Inc.

Inventor： Satoshi Yamaguchi

IPC: H04N19/124 ,  G06F9/50 ,  H04N19/172 ,  H04N19/42 ,  H04N19/91

Abstract: A video encoding method includes: storing quantized data of frames which have undergone a quantization process by serially storing the quantized data of the frames on a per quantized data of one frame basis; determining a quantization parameter to be used when performing a quantization process of a next frame immediately following the frames, based on quantized data of a predetermined number of frames among the quantized data of the frames; performing the quantization process of the next frame based on the quantization parameter to generate quantized data of the next frame;
and executing encoding processes for entropy encoding quantized data of frames including the next frame in parallel between the frames including the next frame.

公开(公告)号：US11516481B2

公开(公告)日：2022-11-29

申请号：US17198045

申请日：2021-03-10

Applicant: SOCIONEXT INC.

Inventor： Satoshi Yamaguchi ,  Masao Kitagawa

IPC: H04N19/159 ,  H04N19/109 ,  H04N19/127 ,  H04N19/156

Abstract: A video encoding method includes a first mode selection step of selecting at least one mode as a first candidate mode from a predetermined first mode group for encoding a video, a second mode selection step of selecting one mode as an encoding mode from a predetermined second mode group, based on the selected first candidate mode, and an encoding step of encoding the video in the selected encoding mode.

公开(公告)号：US10306255B2

公开(公告)日：2019-05-28

申请号：US15274877

申请日：2016-09-23

Applicant: SOCIONEXT INC.

Inventor： Kazunori Okajima ,  Satoshi Yamaguchi

IPC: H04N19/513 ,  H04N19/176 ,  H04N19/119

Abstract: A motion compensator includes a divider, a frame memory transfer controller, and a motion compensation processor. Based on information about a coding unit CU and prediction unit PU provided by a decoder, the divider determines whether or not to divide the PU. Next, based on a motion vector of the PU yet to be divided, reference image information, and information about divided blocks locations, the frame memory transfer controller determines the storage location of the reference image of a reference picture in a frame memory on the basis of each of the blocks divided, thereby obtaining reference image data. The motion compensation processor performs motion compensation operation on a motion compensation control block basis to generate a predicted image. Then, a reconstructor obtains a restored image based on a residual image generated by an inverse frequency transformer.