公开(公告)号：US11128856B2

公开(公告)日：2021-09-21

申请号：US16752727

申请日：2020-01-27

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：US10743026B2

公开(公告)日：2020-08-11

申请号：US16561766

申请日：2019-09-05

Applicant: SAMSUNG ELECTRONICS CO., LTD.

Inventor： Yoon-mi Hong ,  Woo-jin Han ,  Min-su Cheon ,  Jianle Chen

IPC: H04N19/60 ,  H04N19/126 ,  H04N19/625 ,  G06F17/14 ,  H04N19/176

Abstract: A video encoding method, a video encoding apparatus, a video decoding method, and a video decoding apparatus are provided. The video encoding method includes producing a fast transform matrix based on a transform matrix which is used for frequency transformation on a block which has a predetermined size; producing a transformed block by transforming the block having the predetermined size by using the fast transform matrix; and performing scaling with respect to the transformed block in order to correct a difference between the transform matrix used for the frequency transformation and the fast transform matrix.

公开(公告)号：US10582194B2

公开(公告)日：2020-03-03

申请号：US16146201

申请日：2018-09-28

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：US10567798B2

公开(公告)日：2020-02-18

申请号：US16158060

申请日：2018-10-11

Applicant: SAMSUNG ELECTRONICS CO., LTD.

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

IPC: H04N19/593 ,  H04N19/139 ,  H04N19/146 ,  H04N19/196 ,  H04N19/105 ,  H04N19/176 ,  H04N19/46 ,  H04N19/122 ,  H04N19/61 ,  H04N19/96 ,  H04N19/44 ,  H04N19/50 ,  H04N19/587 ,  H04N19/172 ,  H04N19/184

Abstract: A video decoding method and apparatus and a video encoding method and apparatus based on a scanning order of hierarchical data units are provided. The decoding method includes: receiving and parsing a bitstream of an encoded video; extracting from the bitstream information about a size of a maximum coding unit for decoding a picture of the encoded video, and encoding information about a coded depth and an encoding mode for coding units of the picture, wherein the size of the maximum coding unit is a maximum size of a coding unit which is a data unit for decoding the picture; and determining a hierarchical structure of the maximum coding unit and the coding units into which the picture is divided according to depths, and decoding the picture based on the coding units, by using the information about the size of the maximum coding unit and the encoding information about the coded depth and the encoded mode.

公开(公告)号：US10448042B2

公开(公告)日：2019-10-15

申请号：US15016790

申请日：2016-02-05

Applicant: SAMSUNG ELECTRONICS CO., LTD.

Inventor： Sun-il Lee ,  Min-su Cheon ,  Woo-jin Han

IPC: H04N19/51 ,  H04N19/503 ,  H04N19/139 ,  H04N19/176 ,  H04N19/70 ,  H04N19/119 ,  H04N19/46 ,  H04N19/122 ,  H04N19/61 ,  H04N19/96 ,  H04N19/103 ,  H04N19/137 ,  H04N19/157 ,  H04N19/543 ,  H04N19/30 ,  H04N19/33 ,  H04N19/50 ,  H04N19/533

Abstract: An apparatus for decoding a video by parsing asymmetric partition information indicating whether partition types include asymmetric partition types, from a bitstream of an encoded image, determining at least one coding unit included in a maximum coding unit by using split information parsed from the received bitstream, determining at least one prediction unit of a coding unit among the at least one coding unit, by using the asymmetric partition information and information about a partition type of the coding unit parsed from the received bitstream, and performing motion compensation using the prediction units for the coding unit.

公开(公告)号：US10257530B2

公开(公告)日：2019-04-09

申请号：US14619187

申请日：2015-02-11

Applicant: SAMSUNG ELECTRONICS CO., LTD.

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

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

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

公开(公告)号：US10154273B2

公开(公告)日：2018-12-11

申请号：US14619160

申请日：2015-02-11

Applicant: SAMSUNG ELECTRONICS CO., LTD.

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

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

公开(公告)号：US09942549B2

公开(公告)日：2018-04-10

申请号：US15416776

申请日：2017-01-26

Applicant: SAMSUNG ELECTRONICS CO., LTD.

Inventor： Min-su Cheon ,  Woo-jin Han ,  Hae-kyung Jung ,  Il-koo Kim ,  Tammy Lee ,  Jianle Chen

IPC: H04N19/30 ,  H04N19/122 ,  H04N19/159 ,  H04N19/13 ,  H04N19/124 ,  H04N19/119

CPC classification number: H04N19/122 ,  G06T9/00 ,  H04N19/107 ,  H04N19/119 ,  H04N19/124 ,  H04N19/13 ,  H04N19/147 ,  H04N19/159 ,  H04N19/176 ,  H04N19/182 ,  H04N19/30 ,  H04N19/50 ,  H04N19/503 ,  H04N19/60 ,  H04N19/61 ,  H04N19/91 ,  H04N19/96

Abstract: A method of decoding an image in which wherein, when a prediction mode is an inter prediction mode, not an intra prediction mode, a size of at least one prediction unit in the coding unit is determined independently from a size of at least one transformation unit in the coding unit.

公开(公告)号：US09894356B2

公开(公告)日：2018-02-13

申请号：US14948705

申请日：2015-11-23

Applicant: SAMSUNG ELECTRONICS CO., LTD.

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

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

CPC classification number: H04N19/103 ,  H04N19/105 ,  H04N19/119 ,  H04N19/122 ,  H04N19/132 ,  H04N19/172 ,  H04N19/176 ,  H04N19/198 ,  H04N19/46 ,  H04N19/597 ,  H04N19/61 ,  H04N19/70 ,  H04N19/96

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：US09351015B2

公开(公告)日：2016-05-24

申请号：US14603178

申请日：2015-01-22

Applicant: SAMSUNG ELECTRONICS CO., LTD.

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

IPC: H04N19/44 ,  H04N19/593 ,  H04N19/139 ,  H04N19/146 ,  H04N19/196 ,  H04N19/105 ,  H04N19/176 ,  H04N19/61 ,  H04N19/46 ,  H04N19/122 ,  H04N19/96 ,  H04N19/50 ,  H04N19/587

CPC classification number: H04N19/593 ,  H04N19/105 ,  H04N19/122 ,  H04N19/139 ,  H04N19/146 ,  H04N19/172 ,  H04N19/176 ,  H04N19/184 ,  H04N19/197 ,  H04N19/44 ,  H04N19/46 ,  H04N19/50 ,  H04N19/587 ,  H04N19/61 ,  H04N19/96

Abstract: A video decoding method and apparatus and a video encoding method and apparatus based on a scanning order of hierarchical data units are provided. The decoding method includes: receiving and parsing a bitstream of an encoded video; extracting from the bitstream information about a size of a maximum coding unit for decoding a picture of the encoded video, and encoding information about a coded depth and an encoding mode for coding units of the picture, wherein the size of the maximum coding unit is a maximum size of a coding unit which is a data unit for decoding the picture; and determining a hierarchical structure of the maximum coding unit and the coding units into which the picture is divided according to depths, and decoding the picture based on the coding units, by using the information about the size of the maximum coding unit and the encoding information about the coded depth and the encoded mode.