公开(公告)号：US11825100B2

公开(公告)日：2023-11-21

申请号：US18165126

申请日：2023-02-06

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：US20220239942A1

公开(公告)日：2022-07-28

申请号：US17717806

申请日：2022-04-11

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

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：US11212547B2

公开(公告)日：2021-12-28

申请号：US16647376

申请日：2018-09-12

Applicant: SAMSUNG ELECTRONICS CO., LTD.

Inventor： Seung-soo Jeong ,  Min-woo Park

IPC: H04N19/139 ,  H04N19/176 ,  H04N19/513 ,  H04N19/13 ,  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：US11172204B2

公开(公告)日：2021-11-09

申请号：US16636543

申请日：2018-09-12

Applicant: SAMSUNG ELECTRONICS CO., LTD.

Inventor： Seung-soo Jeong

IPC: H04N19/139 ,  H04N19/176 ,  H04N19/105 ,  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：US12143623B2

公开(公告)日：2024-11-12

申请号：US18336672

申请日：2023-06-16

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：US11818389B2

公开(公告)日：2023-11-14

申请号：US17972013

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: H04N11/02 ,  H04N19/52 ,  H04N19/176 ,  H04N19/70 ,  H04N19/182 ,  H04N19/51

CPC classification number: H04N19/52 ,  H04N19/176 ,  H04N19/182 ,  H04N19/51 ,  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：US20230188730A1

公开(公告)日：2023-06-15

申请号：US18165126

申请日：2023-02-06

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：US20230046010A1

公开(公告)日：2023-02-16

申请号：US17971926

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：US11818387B2

公开(公告)日：2023-11-14

申请号：US17971926

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: H04N11/02 ,  H04N19/52 ,  H04N19/176 ,  H04N19/70 ,  H04N19/182 ,  H04N19/51

CPC classification number: H04N19/52 ,  H04N19/176 ,  H04N19/182 ,  H04N19/51 ,  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：US11716485B2

公开(公告)日：2023-08-01

申请号：US17549046

申请日：2021-12-13

Applicant: SAMSUNG ELECTRONICS CO., LTD.

Inventor： Seung-soo Jeong ,  Min-woo Park

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

CPC classification number: 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.