公开(公告)号：US11653006B2

公开(公告)日：2023-05-16

申请号：US17115402

申请日：2020-12-08

Applicant: SAMSUNG ELECTRONICS CO., LTD.

Inventor： Jung-hye Min ,  Min-woo Park ,  Bo-ra Jin ,  Chan-yul Kim

IPC: H04N19/00 ,  H04N19/176 ,  H04N19/119 ,  H04N19/122 ,  H04N19/44 ,  H04N19/463

CPC classification number: H04N19/176 ,  H04N19/119 ,  H04N19/122 ,  H04N19/44 ,  H04N19/463

Abstract: Provided is a method of decoding an image, the method including: determining at least one coding unit for splitting an image, based on block shape information of a current coding unit; determining at least one transformation unit, based on a shape of the current coding unit included in the at least one coding unit; and decoding the image by performing inverse transformation based on the at least one transformation unit, wherein the block shape information indicates whether the current coding unit is a square shape or a non-square shape. Also, provided is an encoding method corresponding to the decoding method. In addition, provided is an encoding apparatus or decoding apparatus capable of performing the encoding or decoding method.

公开(公告)号：US11178408B2

公开(公告)日：2021-11-16

申请号：US17115423

申请日：2020-12-08

Applicant: SAMSUNG ELECTRONICS CO., LTD.

Inventor： Jung-hye Min ,  Min-woo Park ,  Bo-ra Jin ,  Chan-yul Kim

IPC: H04N19/176 ,  H04N19/119 ,  H04N19/122 ,  H04N19/44 ,  H04N19/463

Abstract: Provided is a method of decoding an image, the method including: determining at least one coding unit for splitting an image, based on block shape information of a current coding unit; determining at least one transformation unit, based on a shape of the current coding unit included in the at least one coding unit; and decoding the image by performing inverse transformation based on the at least one transformation unit, wherein the block shape information indicates whether the current coding unit is a square shape or a non-square shape. Also, provided is an encoding method corresponding to the decoding method. In addition, provided is an encoding apparatus or decoding apparatus capable of performing the encoding or decoding method.

公开(公告)号：US11019335B2

公开(公告)日：2021-05-25

申请号：US16092397

申请日：2016-10-10

Applicant: SAMSUNG ELECTRONICS CO., LTD.

Inventor： Min-woo Park ,  Bo-ra Jin ,  Chan-yul Kim ,  Jung-hye Min

IPC: H04N19/119 ,  H04N19/176

Abstract: Provided is an image decoding method of decoding an image, the image decoding method including: obtaining at least one of block shape information and split shape information about a first coding unit included in the image, from a bitstream; determining at least one second coding unit included in the first coding unit based on at least one of the block shape information and the split shape information; and decoding the image based on the at least one second coding unit, wherein the block shape information indicates a shape of the first coding unit and the split shape information indicates whether the first coding unit is split into the at least one second coding unit. Also, provided is an image encoding method corresponding to the image decoding method. Also, provided is an image encoding apparatus and image decoding apparatus for respectively performing the image encoding method and image decoding method.

公开(公告)号：US20200351499A1

公开(公告)日：2020-11-05

申请号：US16923702

申请日：2020-07-08

Applicant: SAMSUNG ELECTRONICS CO., LTD.

Inventor： Sun-il LEE ,  Jung-hye Min ,  Na-rae Choi

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

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：US10212452B2

公开(公告)日：2019-02-19

申请号：US15586935

申请日：2017-05-04

Applicant: SAMSUNG ELECTRONICS CO., LTD.

Inventor： Jung-hye Min ,  Sun-il Lee ,  Woo-jin Han

IPC: H04N7/00 ,  H04N19/105 ,  H04N19/593 ,  H04N19/176 ,  H04N19/11 ,  H04N19/14 ,  H04N19/167 ,  H04N19/182 ,  H04N19/196 ,  H04N19/513 ,  H04N19/80 ,  H04N19/91 ,  H04N19/82

Abstract: An apparatus for decoding an image, the apparatus including an entropy decoder configured to extract an intra prediction mode of a current block, and an intra prediction performer configured to determine a number of neighboring pixels located on a left side of the current block or an upper side of the current block, determine a location of one or more neighboring pixels, the intra prediction mode indicating a particular direction among a plurality of directions, the particular direction being indicated by using one of a dx number in a horizontal direction and a fixed number in a vertical direction, and the location of the one or more neighboring pixels being determined based on a shift operation.

公开(公告)号：US10178401B2

公开(公告)日：2019-01-08

申请号：US14619299

申请日：2015-02-11

Applicant: SAMSUNG ELECTRONICS CO., LTD.

Inventor： Min-su Cheon ,  Jung-hye Min ,  Woo-jin Han

IPC: H04N19/44 ,  H04N19/176 ,  H04N19/46 ,  H04N19/109 ,  H04N19/61 ,  H04N19/70 ,  H04N19/119 ,  H04N19/136 ,  H04N19/18 ,  H04N19/13 ,  H04N19/60 ,  H04N19/635 ,  H04N19/63 ,  H04N19/96

Abstract: A method of decoding including obtaining transformation coefficients of a sub residual block based on location information of a non-zero transformation coefficient and level information of the non-zero transformation coefficient obtained from a bitstream.

公开(公告)号：US10171826B2

公开(公告)日：2019-01-01

申请号：US14619323

申请日：2015-02-11

Applicant: SAMSUNG ELECTRONICS CO., LTD.

Inventor： Min-su Cheon ,  Jung-hye Min ,  Woo-jin Han

IPC: H04N19/44 ,  H04N19/109 ,  H04N19/176 ,  H04N19/46 ,  H04N19/61 ,  H04N19/70 ,  H04N19/119 ,  H04N19/136 ,  H04N19/18 ,  H04N19/13 ,  H04N19/60 ,  H04N19/635 ,  H04N19/63 ,  H04N19/96

Abstract: A decoding apparatus for decoding an image by obtaining transformation coefficients of a sub residual block based on location information of a non-zero transformation coefficient and level information of the non-zero transformation coefficient obtained from the bitstream.

公开(公告)号：US10110894B2

公开(公告)日：2018-10-23

申请号：US15869809

申请日：2018-01-12

Applicant: SAMSUNG ELECTRONICS CO., LTD.

Inventor： Il-koo Kim ,  Jung-hye Min ,  Hae-kyung Jung ,  Sun-il Lee ,  Min-su Cheon

IPC: H04N19/103 ,  H04N19/105 ,  H04N19/176 ,  H04N19/70 ,  H04N19/119 ,  H04N19/172 ,  H04N19/46 ,  H04N19/122 ,  H04N19/61 ,  H04N19/96 ,  H04N19/132 ,  H04N19/196 ,  H04N19/597

Abstract: A method of encoding a video includes: splitting a picture into a maximum coding unit; for the maximum coding unit, determining coding units having a tree structure including coding units of coded depths and determining encoding modes for the coding units of the coded depths by performing encoding based on coding units according to depths, the coding units according to depths obtained by hierarchically splitting the maximum coding unit as a depth deepens; and outputting information about a maximum coding unit size and, for the maximum coding unit, information indicating an order of split information and skip mode information which is selectively determined for the coding units according to depths, information about the encoding modes for the coding units of the coded depths including the split information and the skip mode information which are arranged according to the order, and encoded video data.

公开(公告)号：US09979986B2

公开(公告)日：2018-05-22

申请号：US15044672

申请日：2016-02-16

Applicant: SAMSUNG ELECTRONICS CO., LTD.

Inventor： Jung-hye Min ,  Tammy Lee ,  Il-koo Kim

IPC: H04N7/12 ,  H04N11/02 ,  H04N11/04 ,  H04N19/86 ,  H04N19/50 ,  H04N19/119 ,  H04N19/61 ,  H04N19/96 ,  H04N19/117 ,  H04N19/157 ,  H04N19/82 ,  H04N19/139 ,  H04N19/159 ,  H04N19/182 ,  H04N19/80 ,  H04N19/105 ,  H04N19/122 ,  H04N19/30 ,  H04N19/52 ,  H04N19/593

CPC classification number: H04N19/86 ,  H04N19/105 ,  H04N19/117 ,  H04N19/119 ,  H04N19/122 ,  H04N19/139 ,  H04N19/157 ,  H04N19/159 ,  H04N19/182 ,  H04N19/395 ,  H04N19/50 ,  H04N19/52 ,  H04N19/593 ,  H04N19/61 ,  H04N19/80 ,  H04N19/82 ,  H04N19/96

Abstract: A method and apparatus for encoding video by using deblocking filtering, and a method and apparatus for decoding video by using deblocking filtering are provided. The method of encoding video includes: splitting a picture into a maximum coding unit; determining coding units of coded depths and encoding modes for the coding units of the maximum coding unit by prediction encoding the coding units of the maximum coding unit based on at least one prediction unit and transforming the coding units based on at least one transformation unit, wherein the maximum coding unit is hierarchically split into the coding units as a depth deepens, and the coded depths are depths where the maximum coding unit is encoded in the coding units; and performing deblocking filtering on video data being inversely transformed into a spatial domain in the coding units, in consideration of the encoding modes.

公开(公告)号：US09654797B2

公开(公告)日：2017-05-16

申请号：US14627810

申请日：2015-02-20

Applicant: SAMSUNG ELECTRONICS CO., LTD.

Inventor： Jung-hye Min ,  Sun-il Lee ,  Woo-jin Han

IPC: H04N7/32 ,  H04N19/593 ,  H04N19/105 ,  H04N19/176 ,  H04N19/11 ,  H04N19/14 ,  H04N19/167 ,  H04N19/182 ,  H04N19/196 ,  H04N19/513 ,  H04N19/80 ,  H04N19/91

CPC classification number: H04N19/593 ,  H04N19/105 ,  H04N19/11 ,  H04N19/14 ,  H04N19/167 ,  H04N19/176 ,  H04N19/182 ,  H04N19/196 ,  H04N19/513 ,  H04N19/80 ,  H04N19/91

Abstract: A method for decoding an image, the method including extracting an intra prediction mode of a current block, determining a number of neighboring pixels located on a left side of the current block or an upper side of the current block, and determining a location of one or more neighboring pixels, the intra prediction mode indicating a particular direction among a plurality of directions, the particular direction being indicated by using one of a dx number in a horizontal direction and a fixed number in a vertical direction, and the location of the one or more neighboring pixels being determined based on a shift operation.