公开(公告)号：US09936216B2

公开(公告)日：2018-04-03

申请号：US15618483

申请日：2017-06-09

Applicant: SAMSUNG ELECTRONICS CO., LTD.

Inventor： Jung-hye Min ,  Woo-jin Han ,  Il-koo Kim

IPC: H04N19/119 ,  H04N19/50 ,  H04N19/196 ,  H04N19/147 ,  H04N19/61 ,  H04N19/96 ,  H04N19/172 ,  H04N19/176 ,  H04N19/513 ,  H04N19/593 ,  H04N19/44 ,  H04N19/52 ,  H04N19/139 ,  H04N19/117 ,  H04N19/82 ,  H04N19/86 ,  H04N19/159 ,  H04N19/184

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: Provided are a method and apparatus for encoding a video and a method and apparatus for decoding a video. The encoding method includes: splitting a picture of the video into one or more maximum coding units; encoding the picture based on coding units according to depths which are obtained based on a partition type determined according to the depths of the coding units according to depths, determining coding units according to coded depths with respect to each of the coding units according to depths, and thus determining coding units having a tree structure; and outputting data that is encoded based on the partition type and the coding units having the tree structure, information about the coded depths and an encoding mode, and coding unit structure information indicating a size and a variable depth of a coding unit.

公开(公告)号：US09565438B2

公开(公告)日：2017-02-07

申请号：US14964893

申请日：2015-12-10

Applicant: SAMSUNG ELECTRONICS CO., LTD.

Inventor： Jung-hye Min ,  Woo-jin Han ,  Il-koo Kim

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

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: Provided are a method and apparatus for encoding a video and a method and apparatus for decoding a video. The encoding method includes: splitting a picture of the video into one or more maximum coding units; encoding the picture based on coding units according to depths which are obtained based on a partition type determined according to the depths of the coding units according to depths, determining coding units according to coded depths with respect to each of the coding units according to depths, and thus determining coding units having a tree structure; and outputting data that is encoded based on the partition type and the coding units having the tree structure, information about the coded depths and an encoding mode, and coding unit structure information indicating a size and a variable depth of a coding unit.

Abstract translation: 提供了一种用于对视频进行编码的方法和装置以及用于对视频进行解码的方法和装置。 编码方法包括：将视频图像分割为一个或多个最大编码单元; 基于根据根据深度根据编码单元的深度确定的分区类型获得的深度编码图像的编码单元，根据根据深度的每个编码单元根据编码深度确定编码单位， 从而确定具有树结构的编码单元; 并输出基于分割类型编码的数据和具有树结构的编码单元，关于编码深度的信息和编码模式，以及指示编码单元的大小和可变深度的编码单元结构信息。

公开(公告)号：US09532072B2

公开(公告)日：2016-12-27

申请号：US14678637

申请日：2015-04-03

Applicant: SAMSUNG ELECTRONICS CO., LTD.

Inventor： Yin-ji Piao ,  Jung-hye Min

IPC: H04N7/18 ,  H04N19/60 ,  H04N19/91 ,  H04N19/176 ,  H04N19/186 ,  H04N19/18

CPC classification number: H04N19/60 ,  H04N19/176 ,  H04N19/18 ,  H04N19/186 ,  H04N19/91

Abstract: Provided are a method and apparatus for determining a context model for entropy encoding and decoding of a transformation coefficient. According to the method and apparatus, a context set index ctxset is obtained based on color component information of a transformation unit, a location of a current subset, and whether there is a significant transformation coefficient having a value greater than a first critical value in a previous subset, and a context offset c1 is obtained based on a length of a previous transformation coefficient having consecutive 1s. Also, a context index ctxids for entropy encoding and decoding of a first critical value flag is determined based on the obtained context set index and the context offset.

Abstract translation: 提供一种用于确定变换系数的熵编码和解码的上下文模型的方法和装置。 根据该方法和装置，基于变换单元的颜色分量信息，当前子集的位置以及是否存在具有大于第一临界值的值的显着变换系数来获得上下文集索引ctxset 前一子集，并且基于具有连续1s的先前变换系数的长度获得上下文偏移量c1。 此外，基于获得的上下文集索引和上下文偏移来确定用于第一临界值标志的熵编码和解码的上下文索引ctxid。

公开(公告)号：US09503752B2

公开(公告)日：2016-11-22

申请号：US14678621

申请日：2015-04-03

Applicant: SAMSUNG ELECTRONICS CO., LTD.

Inventor： Yin-ji Piao ,  Jung-hye Min

IPC: H04N7/18 ,  H04N19/60 ,  H04N19/91 ,  H04N19/176 ,  H04N19/186 ,  H04N19/18

CPC classification number: H04N19/60 ,  H04N19/176 ,  H04N19/18 ,  H04N19/186 ,  H04N19/91

Abstract: Provided are a method and apparatus for determining a context model for entropy encoding and decoding of a transformation coefficient. According to the method and apparatus, a context set index ctxset is obtained based on color component information of a transformation unit, a location of a current subset, and whether there is a significant transformation coefficient having a value greater than a first critical value in a previous subset, and a context offset c1 is obtained based on a length of a previous transformation coefficient having consecutive 1s. Also, a context index ctxids for entropy encoding and decoding of a first critical value flag is determined based on the obtained context set index and the context offset.

公开(公告)号：US09451273B2

公开(公告)日：2016-09-20

申请号：US14719689

申请日：2015-05-22

Applicant: SAMSUNG ELECTRONICS CO., LTD.

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

IPC: H04N11/02 ,  H04N19/44 ,  H04N19/70 ,  H04N19/61 ,  H04N19/176 ,  H04N19/119 ,  H04N19/96 ,  H04N19/147 ,  H04N19/122 ,  H04N19/136 ,  H04N19/184 ,  H04N19/60

CPC classification number: H04N19/44 ,  H04N19/119 ,  H04N19/122 ,  H04N19/136 ,  H04N19/147 ,  H04N19/176 ,  H04N19/184 ,  H04N19/60 ,  H04N19/61 ,  H04N19/70 ,  H04N19/96

Abstract: A method and apparatus for decoding video and a method and apparatus for encoding video are provided. The method for decoding video includes: receiving and parsing a bitstream of encoded video; extracting, from the bitstream, encoded image data of a current picture assigned to a maximum coding unit of the current picture, information regarding a coded depth of the maximum coding unit, information regarding an encoding mode, and coding unit pattern information indicating whether texture information of the maximum coding units has been encoded; and decoding the encoded image data for the maximum coding unit, based on the information regarding the coded depth of the maximum coding unit, the information regarding the encoding mode, and the coding unit pattern information.

Abstract translation: 提供了一种用于解码视频的方法和装置以及用于编码视频的方法和装置。 用于解码视频的方法包括：接收和解析编码视频的比特流; 从比特流提取分配给当前图片的最大编码单位的当前图片的编码图像数据，关于最大编码单元的编码深度的信息，关于编码模式的信息，以及指示纹理信息的编码单元模式信息 的最大编码单位已被编码; 并且基于关于最大编码单元的编码深度的信息，关于编码模式的信息和编码单元模式信息来解码用于最大编码单元的编码图像数据。

公开(公告)号：US09414088B2

公开(公告)日：2016-08-09

申请号：US14355439

申请日：2012-10-31

Applicant: SAMSUNG ELECTRONICS CO., LTD.

Inventor： Yin-ji Piao ,  Jung-hye Min

IPC: H04N19/176 ,  H04N19/60 ,  H04N19/91 ,  H04N19/186 ,  H04N19/18

CPC classification number: H04N19/60 ,  H04N19/176 ,  H04N19/18 ,  H04N19/186 ,  H04N19/91

Abstract: Provided are a method and apparatus for determining a context model for entropy encoding and decoding of a transformation coefficient. According to the method and apparatus, a context set index ctxset is obtained based on color component information of a transformation unit, a location of a current subset, and whether there is a significant transformation coefficient having a value greater than a first critical value in a previous subset, and a context offset c1 is obtained based on a length of a previous transformation coefficient having consecutive 1s. Also, a context index ctxids for entropy encoding and decoding of a first critical value flag is determined based on the obtained context set index and the context offset.

公开(公告)号：US09319705B2

公开(公告)日：2016-04-19

申请号：US14610094

申请日：2015-01-30

Applicant: SAMSUNG ELECTRONICS CO., LTD.

Inventor： Woo-jin Han ,  Jung-hye Min ,  Il-koo Kim

IPC: H04N7/12 ,  H04N19/52 ,  H04N19/51 ,  H04N19/176 ,  H04N19/70 ,  H04N19/119 ,  H04N19/46 ,  H04N19/513 ,  H04N19/122 ,  H04N19/61 ,  H04N19/174 ,  H04N19/436 ,  H04N19/139 ,  H04N19/146 ,  H04N19/43 ,  H04N19/44

CPC classification number: H04N19/33 ,  H04N19/119 ,  H04N19/122 ,  H04N19/13 ,  H04N19/139 ,  H04N19/146 ,  H04N19/174 ,  H04N19/176 ,  H04N19/43 ,  H04N19/436 ,  H04N19/44 ,  H04N19/46 ,  H04N19/513 ,  H04N19/52 ,  H04N19/593 ,  H04N19/61 ,  H04N19/70 ,  H04N19/82 ,  H04N19/86

Abstract: A video decoding method including: extracting, from a bitstream of an encoded video, at least one of information indicating independent parsing of a data unit and information indicating independent decoding of a data unit; extracting encoded video data and information about a coded depth and an encoding mode according to maximum coding units by parsing the bitstream based on the information indicating independent parsing of the data unit; and decoding at least one coding unit according to a coded depth of each maximum coding unit of the encoded video data, based on the information indicating independent decoding in the data unit and the information about the coded depth and the encoding mode according to maximum coding units.

公开(公告)号：US09124903B2

公开(公告)日：2015-09-01

申请号：US14600899

申请日：2015-01-20

Applicant: SAMSUNG ELECTRONICS CO., LTD.

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

IPC: H04N7/12 ,  H04N11/02 ,  H04N11/04 ,  H04N19/86 ,  H04N19/61 ,  H04N19/80

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：US09118915B2

公开(公告)日：2015-08-25

申请号：US14600924

申请日：2015-01-20

Applicant: SAMSUNG ELECTRONICS CO., LTD.

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

IPC: H04N7/12 ,  H04N11/02 ,  H04N11/04 ,  H04N19/139 ,  H04N19/117 ,  H04N19/86 ,  H04N19/159 ,  H04N19/182

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：US08897363B2

公开(公告)日：2014-11-25

申请号：US14171454

申请日：2014-02-03

Applicant: Samsung Electronics Co., Ltd.

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

IPC: H04N7/12 ,  H04N19/147 ,  H04N19/107 ,  H04N19/132 ,  H04N19/593 ,  H04N19/129 ,  H04N19/196 ,  H04N19/187 ,  H04N19/176 ,  H04N19/51 ,  H04N19/167 ,  H04N19/119 ,  H04N19/50 ,  H04N19/88 ,  H04N19/157 ,  H04N19/122 ,  H04N19/61

CPC classification number: H04N19/129 ,  H04N19/107 ,  H04N19/119 ,  H04N19/122 ,  H04N19/132 ,  H04N19/146 ,  H04N19/147 ,  H04N19/157 ,  H04N19/167 ,  H04N19/176 ,  H04N19/187 ,  H04N19/198 ,  H04N19/23 ,  H04N19/30 ,  H04N19/50 ,  H04N19/52 ,  H04N19/593 ,  H04N19/61 ,  H04N19/70 ,  H04N19/88 ,  H04N19/96

Abstract: A method and apparatus for decoding a video and a method and apparatus for encoding a video are provided. The method for decoding the video includes: receiving and parsing a bitstream of an encoded video; extracting, from the bitstream, encoded image data of a current picture of the encoded video assigned to a maximum coding unit, and information about a coded depth and an encoding mode according to the maximum coding unit; and decoding the encoded image data for the maximum coding unit based on the information about the coded depth and the encoding mode for the maximum coding unit, in consideration of a raster scanning order for the maximum coding unit and a zigzag scanning order for coding units of the maximum coding unit according to depths.