公开(公告)号：US08831097B2

公开(公告)日：2014-09-09

申请号：US14171317

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 ,  H04N7/26 ,  H04N7/34 ,  H04N7/36 ,  H04N7/32 ,  H04N7/50

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.

Abstract translation: 提供了一种用于对视频进行解码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; 从比特流中提取分配给最大编码单位的编码图像的当前图像的编码图像数据，以及根据最大编码单位的关于编码深度和编码模式的信息; 并且考虑到用于最大编码单位的光栅扫描顺序和用于编码单位的Z字形扫描顺序，基于关于最大编码单元的编码深度和编码模式的信息来解码用于最大编码单元的编码图像数据 最大编码单位根据深度。

公开(公告)号：US08634465B2

公开(公告)日：2014-01-21

申请号：US13942484

申请日：2013-07-15

Applicant: Samsung Electronics Co., Ltd.

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

IPC: H04N7/12

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.

公开(公告)号：US08526497B2

公开(公告)日：2013-09-03

申请号：US13764414

申请日：2013-02-11

Applicant: Samsung Electronics Co., Ltd.

Inventor： Jianle Chen ,  Min-su Cheon ,  Jae-chool Lee ,  Jung-hye Min ,  Hae-kyung Jung ,  Il-koo Kim ,  Sang-rae Lee ,  Kyo-hyuk Lee

IPC: H04N7/12 ,  H04N11/02 ,  H04N11/04 ,  H04B1/66

CPC classification number: H04N19/50 ,  H04N19/103 ,  H04N19/105 ,  H04N19/119 ,  H04N19/122 ,  H04N19/132 ,  H04N19/147 ,  H04N19/176 ,  H04N19/19 ,  H04N19/30 ,  H04N19/44 ,  H04N19/46 ,  H04N19/593 ,  H04N19/61 ,  H04N19/96 ,  Y02T10/84

Abstract: Disclosed is a method of encoding a video, the method including: splitting a current picture into at least one maximum coding unit; determining a coded depth to output a final encoding result according to at least one split region obtained by splitting a region of the maximum coding unit according to depths, by encoding the at least one split region, based on a depth that deepens in proportion to the number of times the region of the maximum coding unit is split; and outputting image data constituting the final encoding result according to the at least one split region, and encoding information about the coded depth and a prediction mode, according to the at least one maximum coding unit.

公开(公告)号：US10194173B2

公开(公告)日：2019-01-29

申请号：US15991831

申请日：2018-05-29

Applicant: SAMSUNG ELECTRONICS CO., LTD.

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

IPC: H04N19/61 ,  H04N19/176 ,  H04N19/44 ,  H04N19/186 ,  H04N19/60 ,  H04N19/46 ,  H04N19/96 ,  H04N19/70 ,  H04N19/18 ,  H04N19/129 ,  H04N19/119 ,  H04N19/147

Abstract: A video decoding apparatus including an extractor which extracts from a bitstream first pattern information indicating whether residual samples of a current coding unit are equal to 0, and when the first pattern information indicates the residual samples are not equal to 0, extracts from the bitstream transformation index information indicating whether a transformation unit of a current level included in the current coding unit is split, a decoder which splits the transformation unit of the current level into transformation units of a lower level when the transformation index information indicates a split of the transformation unit of the current level, wherein the extractor further extracts second pattern information for the transformation unit of the current level when the transformation index information indicates a non-split of the transformation unit of the current level, wherein the second pattern information indicates whether the transformation unit of the current level contains one or more transform coefficients not equal to 0, wherein the transformation unit of the current level is split into four transformation units of the lower level.

公开(公告)号：US09743109B2

公开(公告)日：2017-08-22

申请号：US15140731

申请日：2016-04-28

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

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.

公开(公告)号：US09628812B2

公开(公告)日：2017-04-18

申请号：US14704019

申请日：2015-05-05

Applicant: SAMSUNG ELECTRONICS CO., LTD.

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

IPC: H04N19/44 ,  H04N19/46 ,  H04N19/60

CPC classification number: H04N19/61 ,  H04N19/119 ,  H04N19/129 ,  H04N19/147 ,  H04N19/176 ,  H04N19/18 ,  H04N19/186 ,  H04N19/44 ,  H04N19/46 ,  H04N19/60 ,  H04N19/70 ,  H04N19/96

Abstract: A video decoding apparatus including an extractor which extracts from a bitstream first pattern information indicating whether residual samples of a current coding unit are equal to 0, and when the first pattern information indicates the residual samples are not equal to 0, extracts from the bitstream transformation index information indicating whether a transformation unit of a current level included in the current coding unit is split, a decoder which splits the transformation unit of the current level into transformation units of a lower level when the transformation index information indicates a split of the transformation unit of the current level, wherein the extractor further extracts second pattern information for the transformation unit of the current level when the transformation index information indicates a non-split of the transformation unit of the current level, wherein the second pattern information indicates whether the transformation unit of the current level contains one or more transform coefficients not equal to 0.

公开(公告)号：US09628809B2

公开(公告)日：2017-04-18

申请号：US14704048

申请日：2015-05-05

Applicant: SAMSUNG ELECTRONICS CO., LTD.

Inventor： Min-su Cheon ,  Jung-Hye Min ,  Hae-Kyung Jung ,  Il-Koo Kim

IPC: H04N19/186 ,  H04N19/29 ,  H04N19/96 ,  H04N19/129 ,  H04N19/46

CPC classification number: H04N19/61 ,  H04N19/119 ,  H04N19/129 ,  H04N19/147 ,  H04N19/176 ,  H04N19/18 ,  H04N19/186 ,  H04N19/44 ,  H04N19/46 ,  H04N19/60 ,  H04N19/70 ,  H04N19/96

Abstract: A video decoding apparatus including an extractor which extracts from a bitstream first pattern information indicating whether residual samples of a current coding unit are equal to 0, and when the first pattern information indicates the residual samples are not equal to 0, extracts from the bitstream transformation index information indicating whether a transformation unit of a current level included in the current coding unit is split, a decoder which splits the transformation unit of the current level into transformation units of a lower level when the transformation index information indicates a split of the transformation unit of the current level, wherein the extractor further extracts second pattern information for the transformation unit of the current level when the transformation index information indicates a non-split of the transformation unit of the current level, wherein the second pattern information indicates whether the transformation unit of the current level contains one or more transform coefficients not equal to 0, wherein the transformation unit of the current level is split into four transformation units of the lower level.

公开(公告)号：US09584821B2

公开(公告)日：2017-02-28

申请号：US14609643

申请日：2015-01-30

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 ,  H04N19/503 ,  G06T9/00 ,  H04N19/176 ,  H04N19/119 ,  H04N19/147 ,  H04N19/122 ,  H04N19/61 ,  H04N19/96 ,  H04N19/91 ,  H04N19/13 ,  H04N19/182 ,  H04N19/50 ,  H04N19/60 ,  H04N19/107

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.

Abstract translation: 一种解码图像的方法，其中，当预测模式是帧间预测模式时，不是帧内预测模式，所述编码单元中的至少一个预测单元的大小独立于至少一个变换单元的大小来确定 在编码单元中。

公开(公告)号：US09521421B2

公开(公告)日：2016-12-13

申请号：US14720001

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：US09319689B2

公开(公告)日：2016-04-19

申请号：US14643452

申请日：2015-03-10

Applicant: SAMSUNG ELECTRONICS CO., LTD.

Inventor： Sun-il Lee ,  Hae-kyung Jung ,  Min-su Cheon

IPC: H04N19/122 ,  H04N19/12 ,  H04N19/13 ,  H04N19/176 ,  H04N19/157 ,  H04N19/18 ,  H04N19/196 ,  H04N19/91 ,  H04N19/192 ,  H04N19/149 ,  H04N19/70

CPC classification number: H04N19/12 ,  H04N19/122 ,  H04N19/13 ,  H04N19/149 ,  H04N19/157 ,  H04N19/176 ,  H04N19/18 ,  H04N19/192 ,  H04N19/196 ,  H04N19/70 ,  H04N19/91

Abstract: Provided are a method and a device for encoding a video by using a data unit of a hierarchical structure, and a method and a device for decoding the same. A video encoding device includes: a hierarchical encoder configured to encode a picture of a video based on a data unit of a hierarchical structure; and an entropy coder configured to determine a context model used for entropy coding of a symbol based on hierarchical information of a data unit to which the symbol of the encoded picture belongs, and to entropy encode the symbol using the determined context model.

Abstract translation: 提供了通过使用分层结构的数据单元对视频进行编码的方法和装置，以及用于对其进行解码的方法和装置。 视频编码装置包括：分层编码器，其被配置为基于分层结构的数据单元对视频的图像进行编码; 以及熵编码器，被配置为基于编码图像的符号所属的数据单元的分层信息确定用于码元的熵编码的上下文模型，并且使用所确定的上下文模型对所述符号进行熵编码。