公开(公告)号：US20230064795A1

公开(公告)日：2023-03-02

申请号：US17971883

申请日：2022-10-24

Applicant: SAMSUNG ELECTRONICS CO., LTD.

Inventor： Jin-Young LEE ,  Seung-soo JEONG ,  Jung-hye MIN ,  Sun-il LEE

IPC: H04N19/52 ,  H04N19/182 ,  H04N19/51 ,  H04N19/176 ,  H04N19/70

Abstract: A motion vector encoding apparatus includes: a predictor configured to obtain motion vector predictor candidates of a plurality of predetermined motion vector resolutions by using a spatial candidate block and a temporal candidate block of a current block, and to determine motion vector predictor of the current block, a motion vector of the current block, and a motion vector resolution of the current block by using the motion vector predictor candidates; and an encoder configured to encode information representing the motion vector predictor of the current block, a residual motion vector between the motion vector of the current block and the motion vector predictor of the current block, and information representing the motion vector resolution of the current block, wherein the plurality of predetermined motion vector resolutions include a resolution of a pixel unit that is greater than a resolution of one-pel unit.

公开(公告)号：US20220103856A1

公开(公告)日：2022-03-31

申请号：US17549046

申请日：2021-12-13

Applicant: SAMSUNG ELECTRONICS CO., LTD.

Inventor： Seung-soo JEONG ,  Min-woo PARK

IPC: H04N19/513 ,  H04N19/13 ,  H04N19/139 ,  H04N19/176 ,  H04N19/184 ,  H04N19/70

Abstract: A method of decoding motion information according to an embodiment includes: obtaining information indicating a disparity distance for determining a prediction motion vector of a current block; scaling the disparity distance corresponding to the obtained information, based on a comparison result between a base pixel unit and a smallest pixel unit indicatable by a motion vector of the current block; determining a prediction motion vector candidate changed by the scaled disparity distance from a base motion vector of the current block from among one or more prediction motion vector candidates as the prediction motion vector of the current block; and determining the motion vector of the current block by using the prediction motion vector.

公开(公告)号：US20130114710A1

公开(公告)日：2013-05-09

申请号：US13672311

申请日：2012-11-08

Applicant: SAMSUNG ELECTRONICS CO., LTD.

Inventor： Young-o PARK ,  Seung-soo JEONG ,  Chan-yul KIM ,  Jeong-hoon PARK ,  Tammy LEE ,  Jae-hyun KIM

IPC: H04N7/26 ,  H04N7/32

CPC classification number: H04N19/58 ,  H04N19/463 ,  H04N19/577

Abstract: A video prediction encoding method including setting a default number of reference images assigned to a list combination (LC) reference list in units of pictures, the LC reference list including at least one reference image from among a plurality of reference images included in reference lists L0 and L1 which are information about lists of reference images for prediction encoding a current image that is a B type slice; and prediction encoding the current image by using the determined LC reference list including at least one reference image from among the plurality of reference images included in the reference lists L0 and L1, based on the default number.

Abstract translation: 一种视频预测编码方法，包括以图片为单位设置分配给列表组合（LC）参考列表的参考图像的默认数量，所述LC参考列表包括参考列表L0中包括的多个参考图像中的至少一个参考图像 L1是作为B型切片的当前图像的预测编码的参考图像的列表的信息; 以及基于默认数量，通过使用包括参考列表L0和L1中包括的多个参考图像中的至少一个参考图像的所确定的LC参考列表来对当前图像进行预测编码。

公开(公告)号：US20230412819A1

公开(公告)日：2023-12-21

申请号：US18461271

申请日：2023-09-05

Applicant: SAMSUNG ELECTRONICS CO., LTD.

Inventor： Seung-soo JEONG ,  Minwoo PARK

IPC: H04N19/159 ,  H04N19/105 ,  H04N19/176 ,  H04N19/184 ,  H04N19/513

CPC classification number: H04N19/159 ,  H04N19/105 ,  H04N19/176 ,  H04N19/184 ,  H04N19/521

Abstract: A video decoding method includes determining whether an ultimate motion vector expression (UMVE) mode is allowed for an upper data unit including a current block, when the UMVE mode is allowed for the upper data unit, determining whether the UMVE mode is applied to the current block, when the UMVE mode is applied to the current block, determining a base motion vector of the current block, determining a correction distance and a correction direction for correction of the base motion vector, determining a motion vector of the current block by correcting the base motion vector according to the correction distance and the correction direction, and reconstructing the current block based on the motion vector of the current block.

公开(公告)号：US20230054737A1

公开(公告)日：2023-02-23

申请号：US17971969

申请日：2022-10-24

Applicant: SAMSUNG ELECTRONICS CO., LTD.

Inventor： Jin-Young LEE ,  Seung-soo JEONG ,  Jung-hye MIN ,  Sun-il LEE

IPC: H04N19/52 ,  H04N19/176 ,  H04N19/70 ,  H04N19/182 ,  H04N19/51

Abstract: A motion vector encoding apparatus includes: a predictor configured to obtain motion vector predictor candidates of a plurality of predetermined motion vector resolutions by using a spatial candidate block and a temporal candidate block of a current block, and to determine motion vector predictor of the current block, a motion vector of the current block, and a motion vector resolution of the current block by using the motion vector predictor candidates; and an encoder configured to encode information representing the motion vector predictor of the current block, a residual motion vector between the motion vector of the current block and the motion vector predictor of the current block, and information representing the motion vector resolution of the current block, wherein the plurality of predetermined motion vector resolutions include a resolution of a pixel unit that is greater than a resolution of one-pel unit.

公开(公告)号：US20220060715A1

公开(公告)日：2022-02-24

申请号：US17520163

申请日：2021-11-05

Applicant: SAMSUNG ELECTRONICS CO., LTD.

Inventor： Seung-soo JEONG

IPC: H04N19/139 ,  H04N19/105 ,  H04N19/176 ,  H04N19/577

Abstract: A method of decoding motion information according to an embodiment includes: determining a base motion vector of a current block; determining a primary differential motion vector for the current block based on information obtained from a bitstream from among one or more primary differential motion vector candidates classified according to a disparity distance and a disparity direction; and determining a motion vector of the current block by applying the primary differential motion vector to the base motion vector.

公开(公告)号：US20240276009A1

公开(公告)日：2024-08-15

申请号：US18647201

申请日：2024-04-26

Applicant: SAMSUNG ELECTRONICS CO., LTD.

Inventor： Jin-young LEE ,  Seung-soo JEONG ,  Woong-il CHOI ,  Anish TAMSE ,  Yin-ji PIAO

IPC: H04N19/52 ,  H04N19/44

CPC classification number: H04N19/52 ,  H04N19/44

Abstract: A method of decoding a motion vector includes: obtaining information indicating a motion vector resolution (MVR) of a current block from a bitstream; selecting one candidate block from among at least one candidate block, based on the MVR of the current block; and obtaining a motion vector of the current block corresponding to the MVR, by using a motion vector of the determined one candidate block as a prediction motion vector of the current block.

公开(公告)号：US20240129484A1

公开(公告)日：2024-04-18

申请号：US18532667

申请日：2023-12-07

Applicant: SAMSUNG ELECTRONICS CO., LTD.

Inventor： Seung-soo JEONG

IPC: H04N19/139 ,  H04N19/105 ,  H04N19/176 ,  H04N19/577

CPC classification number: H04N19/139 ,  H04N19/105 ,  H04N19/176 ,  H04N19/577

Abstract: A method of decoding motion information according to an embodiment includes: determining a base motion vector of a current block; determining a primary differential motion vector for the current block based on information obtained from a bitstream from among one or more primary differential motion vector candidates classified according to a disparity distance and a disparity direction; and determining a motion vector of the current block by applying the primary differential motion vector to the base motion vector.

公开(公告)号：US20230043548A1

公开(公告)日：2023-02-09

申请号：US17959855

申请日：2022-10-04

Applicant: SAMSUNG ELECTRONICS CO., LTD.

Inventor： Seung-soo JEONG ,  Min-woo PARK ,  Jin-Young LEE ,  Sun-il LEE

IPC: H04N19/52 ,  H04N19/176

Abstract: Provided is a video decoding method performed by a video decoding apparatus, the video decoding method including: determining prediction mode information of a current block and an index indicating a prediction candidate, from a bitstream; determining a prediction candidate list according to the prediction mode information; when the prediction mode information of the current block indicates a pre-set prediction mode, determining a motion vector indicated by the index indicating the prediction candidate from the prediction candidate list, and determining a prediction motion vector of the current block based on at least one of pieces of motion prediction information related to the motion vector; and determining a motion vector of the current block based on the prediction motion vector, wherein the pre-set prediction mode is a prediction mode different from a skip mode and a merge mode.

公开(公告)号：US20210243466A1

公开(公告)日：2021-08-05

申请号：US17218808

申请日：2021-03-31

Applicant: SAMSUNG ELECTRONICS CO., LTD.

Inventor： Seung-soo JEONG ,  Min-woo PARK ,  Jin-Young LEE ,  Sun-il LEE

IPC: H04N19/52 ,  H04N19/176

Abstract: Provided is a video decoding method performed by a video decoding apparatus, the video decoding method including: determining prediction mode information of a current block and an index indicating a prediction candidate, from a bitstream; determining a prediction candidate list according to the prediction mode information; when the prediction mode information of the current block indicates a pre-set prediction mode, determining a motion vector indicated by the index indicating the prediction candidate from the prediction candidate list, and determining a prediction motion vector of the current block based on at least one of pieces of motion prediction information related to the motion vector; and determining a motion vector of the current block based on the prediction motion vector, wherein the pre-set prediction mode is a prediction mode different from a skip mode and a merge mode.