公开(公告)号：US10225551B2

公开(公告)日：2019-03-05

申请号：US15918347

申请日：2018-03-12

Applicant: SAMSUNG ELECTRONICS CO., LTD.

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

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

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：US10123043B2

公开(公告)日：2018-11-06

申请号：US15681938

申请日：2017-08-21

Applicant: SAMSUNG ELECTRONICS CO., LTD.

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

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

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：US10027972B2

公开(公告)日：2018-07-17

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: H04N7/12 ,  H04N19/50 ,  H04N19/176 ,  H04N19/196 ,  H04N19/80 ,  H04N19/119 ,  H04N19/147 ,  H04N19/61 ,  H04N19/96 ,  H04N19/513 ,  H04N19/593 ,  H04N19/44 ,  H04N19/52 ,  H04N19/172 ,  H04N19/159 ,  H04N19/139 ,  H04N19/117 ,  H04N19/82 ,  H04N19/86 ,  H04N19/184

CPC classification number: H04N19/59 ,  H04N19/117 ,  H04N19/119 ,  H04N19/139 ,  H04N19/147 ,  H04N19/159 ,  H04N19/172 ,  H04N19/176 ,  H04N19/184 ,  H04N19/197 ,  H04N19/30 ,  H04N19/44 ,  H04N19/50 ,  H04N19/513 ,  H04N19/52 ,  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.

公开(公告)号：US09635375B2

公开(公告)日：2017-04-25

申请号：US14704052

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 method of decoding an encoded video including determining at least one coding unit by using split information extracted from a bitstream,obtaining first pattern information indicating whether residual samples of a coding unit among the at least one coding unit are equal to 0, when the first pattern information indicates the residual samples are not equal to 0, extracting from the bitstream transformation index information indicating whether a transformation unit of a current level included in the coding unit from among the at least one coding unit is split, when the transformation index information indicates a split of the transformation unit of the current level, splitting the transformation unit of the current level into square transformation units of a lower level, and when the transformation index information indicates a non-split of the transformation unit of the current level, obtaining second pattern information for 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 a height of each of the square transformation units of the lower level is half a height of the transformation unit of the current level.

公开(公告)号：US09467711B2

公开(公告)日：2016-10-11

申请号：US14719872

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：US09426484B2

公开(公告)日：2016-08-23

申请号：US14719629

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.

公开(公告)号：US09374579B2

公开(公告)日：2016-06-21

申请号：US14300113

申请日：2014-06-09

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 ,  H04N19/50 ,  H04N19/105 ,  H04N19/176 ,  H04N19/119 ,  H04N19/147 ,  H04N19/46 ,  H04N19/30 ,  H04N19/122 ,  H04N19/96 ,  H04N19/103 ,  H04N19/132 ,  H04N19/19 ,  H04N19/44 ,  H04N19/61 ,  H04N19/593

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：US09313506B2

公开(公告)日：2016-04-12

申请号：US14643483

申请日：2015-03-10

Applicant: SAMSUNG ELECTRONICS CO., LTD.

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

IPC: H04N13/00 ,  H04N19/12 ,  H04N19/13 ,  H04N19/176 ,  H04N19/157 ,  H04N19/18 ,  H04N19/196 ,  H04N19/91 ,  H04N19/192 ,  H04N19/122 ,  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.

公开(公告)号：US09313490B2

公开(公告)日：2016-04-12

申请号：US14300095

申请日：2014-06-09

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 ,  H04N19/50 ,  H04N19/105 ,  H04N19/176 ,  H04N19/119 ,  H04N19/147 ,  H04N19/46 ,  H04N19/30 ,  H04N19/122 ,  H04N19/96 ,  H04N19/103 ,  H04N19/132 ,  H04N19/19 ,  H04N19/44 ,  H04N19/61 ,  H04N19/593

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：US09313489B2

公开(公告)日：2016-04-12

申请号：US13764119

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 ,  H04N19/50 ,  H04N19/105 ,  H04N19/176 ,  H04N19/119 ,  H04N19/147 ,  H04N19/46 ,  H04N19/30 ,  H04N19/122 ,  H04N19/96 ,  H04N19/103 ,  H04N19/132 ,  H04N19/19 ,  H04N19/44 ,  H04N19/61 ,  H04N19/593

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.