公开(公告)号：US20250055996A1

公开(公告)日：2025-02-13

申请号：US18921608

申请日：2024-10-21

Applicant: SAMSUNG ELECTRONICS CO., LTD.

Inventor： Sun-il LEE ,  Jung-hye MIN ,  Na-rae CHOI

IPC: H04N19/122 ,  H04N19/136 ,  H04N19/157 ,  H04N19/159 ,  H04N19/176

Abstract: Provided is a method of decoding motion information characterized in that information for determining motion-related information includes spatial information and time information, wherein the spatial information indicates a direction of spatial prediction candidates used for sub-units from among spatial prediction candidates located on a left side and an upper side of a current prediction unit, and the time information indicates a reference prediction unit of a previous picture used for prediction of the current prediction unit. Further, an encoding apparatus or a decoding apparatus capable of performing the above described encoding or decoding method may be provided.

公开(公告)号：US20230061310A1

公开(公告)日：2023-03-02

申请号：US17967458

申请日：2022-10-17

Applicant: SAMSUNG ELECTRONICS CO., LTD.

Inventor： Woong-il CHOI ,  Sun-il LEE ,  Ki-ho CHOI

IPC: H04N19/117 ,  H04N19/105 ,  H04N19/159 ,  H04N19/176

Abstract: Provided is a video decoding method of applying a deblocking filter to neighboring pixels adjacent to a boundary of a current block, the video decoding method including selecting a deblocking filter to be applied to the neighboring pixels from among a plurality of deblocking filters according to pixel values of the neighboring pixels and a size of the current block, and applying the selected deblocking filter to the neighboring pixels, wherein the plurality of deblocking filters include three or more deblocking filters having different ranges of neighboring pixels to which deblocking filtering is applied.

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.

公开(公告)号：US20210044825A1

公开(公告)日：2021-02-11

申请号：US17079061

申请日：2020-10-23

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：US20200329238A1

公开(公告)日：2020-10-15

申请号：US16772862

申请日：2018-03-29

Applicant: SAMSUNG ELECTRONICS CO., LTD.

Inventor： Woong-il CHOI ,  Sun-il LEE ,  Ki-ho CHOI

IPC: H04N19/117 ,  H04N19/105 ,  H04N19/159 ,  H04N19/176

Abstract: Provided is a video decoding method of applying a deblocking filter to neighboring pixels adjacent to a boundary of a current block, the video decoding method including selecting a deblocking filter to be applied to the neighboring pixels from among a plurality of deblocking filters according to pixel values of the neighboring pixels and a size of the current block, and applying the selected deblocking filter to the neighboring pixels, wherein the plurality of deblocking filters include three or more deblocking filters having different ranges of neighboring pixels to which deblocking filtering is applied.

公开(公告)号：US20200084469A1

公开(公告)日：2020-03-12

申请号：US16681177

申请日：2019-11-12

Applicant: SAMSUNG ELECTRONICS CO., LTD.

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

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

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：US20180352231A1

公开(公告)日：2018-12-06

申请号：US15775700

申请日：2016-11-24

Applicant: SAMSUNG ELECTRONICS CO., LTD.

Inventor： Jin-young LEE ,  Ki-ho CHOI ,  Chan-yul KIM ,  Kwang-hyun WON ,  Yin-ji PIAO ,  Sun-il LEE

IPC: H04N19/129

CPC classification number: H04N19/129 ,  H04N19/14 ,  H04N19/157 ,  H04N19/174 ,  H04N19/176 ,  H04N19/70

Abstract: Provided are a video decoding method and a video decoding apparatus capable of performing the video decoding method including receiving a bitstream of an encoded video; obtaining, from the bitstream, shape information of one or more scanning units each consisting of a predetermined number of adjacent largest coding units from among a plurality of largest coding units split from a picture; determining a shape of the one or more scanning units, based on the obtained shape information; obtaining, from the bitstream, processing order information of the one or more scanning units of a current picture, and processing order information of largest coding units included in the one or more scanning units; determining a processing order of the one or more scanning units included in the current picture, based on the processing order information of the one or more scanning units; determining a processing order of largest coding units included in each of the one or more scanning units, based on the processing order information of largest coding units included in the one or more scanning units; and decoding a plurality of largest coding units included in the current picture according to the determined processing order of the one or more scanning units and the determined processing order of largest coding units included in each of the one or more scanning units.

公开(公告)号：US20170339425A1

公开(公告)日：2017-11-23

申请号：US15522526

申请日：2015-11-02

Applicant: SAMSUNG ELECTRONICS CO., LTD.

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

IPC: H04N19/52

CPC classification number: 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：US20170310965A1

公开(公告)日：2017-10-26

申请号：US15647720

申请日：2017-07-12

Applicant: SAMSUNG ELECTRONICS CO., LTD.

Inventor： Woo-jin HAN ,  Elena ALSHINA ,  Jung-hye MIN ,  Alexander ALSHIN ,  Il-koo KIM ,  Nikolay SHLYAKHOV ,  Tammy LEE ,  Sun-il LEE ,  Min-su CHEON ,  Jianle CHEN ,  Vadim SEREGIN ,  Yoon-mi HONG

IPC: H04N19/119 ,  H04N19/61 ,  H04N19/593 ,  H04N19/52 ,  H04N19/50 ,  H04N19/147 ,  H04N19/44 ,  H04N19/196 ,  H04N19/176 ,  H04N19/172 ,  H04N19/96 ,  H04N19/513

CPC classification number: H04N19/50 ,  H04N19/117 ,  H04N19/119 ,  H04N19/139 ,  H04N19/147 ,  H04N19/159 ,  H04N19/172 ,  H04N19/176 ,  H04N19/184 ,  H04N19/197 ,  H04N19/30 ,  H04N19/44 ,  H04N19/513 ,  H04N19/52 ,  H04N19/59 ,  H04N19/593 ,  H04N19/61 ,  H04N19/80 ,  H04N19/82 ,  H04N19/86 ,  H04N19/96

Abstract: A method of encoding a video is provided, the method includes: determining a filtering boundary on which deblocking filtering is to be performed based on at least one data unit from among a plurality of coding units that are hierarchically configured according to depths indicating a number of times at least one maximum coding unit is spatially spilt, and a plurality of prediction units and a plurality of transformation units respectively for prediction and transformation of the plurality of coding units, determining filtering strength at the filtering boundary based on a prediction mode of a coding unit to which pixels adjacent to the filtering belong from among the plurality of coding units, and transformation coefficient values of the pixels adjacent to the filtering boundary, and performing deblocking filtering on the filtering boundary based on the determined filtering strength.