公开(公告)号：US09712823B2

公开(公告)日：2017-07-18

申请号：US15400424

申请日：2017-01-06

Applicant: SAMSUNG ELECTRONICS CO., LTD.

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

IPC: H04N19/50 ,  H04N19/119 ,  H04N19/159 ,  H04N19/44 ,  H04N19/96 ,  H04N19/184 ,  H04N19/172

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：US09667974B2

公开(公告)日：2017-05-30

申请号：US14597724

申请日：2015-01-15

Applicant: SAMSUNG ELECTRONICS CO., LTD.

Inventor： Jung-hye Min ,  Elena Alshina ,  Woo-jin Han

IPC: H04N7/12 ,  H04N11/02 ,  H04N11/04 ,  H04N19/159 ,  H04N19/176 ,  H04N19/122 ,  H04N19/96 ,  H04N19/593 ,  H04N19/11 ,  H04N19/107 ,  H04N19/186 ,  H04N19/44 ,  H04N19/50 ,  H04N19/13 ,  H04N19/105

CPC classification number: H04N19/159 ,  H04N19/105 ,  H04N19/107 ,  H04N19/11 ,  H04N19/122 ,  H04N19/13 ,  H04N19/176 ,  H04N19/182 ,  H04N19/184 ,  H04N19/186 ,  H04N19/30 ,  H04N19/44 ,  H04N19/50 ,  H04N19/593 ,  H04N19/96

Abstract: A method for decoding an image including performing intra prediction on a chrominance block according to whether the intra prediction mode of the chrominance block is equal to an intra prediction mode of a luminance block.

公开(公告)号：US09654796B2

公开(公告)日：2017-05-16

申请号：US14627765

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: 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：US09602845B2

公开(公告)日：2017-03-21

申请号：US15155810

申请日：2016-05-16

Applicant: SAMSUNG ELECTRONICS CO., LTD.

Inventor： Woong-II Choi ,  Woo-jin Han ,  Tammy Lee ,  Sun-il Lee

IPC: H04N19/172 ,  H04N19/91 ,  H04N19/61 ,  H04N19/176 ,  H04N19/44 ,  H04N19/70

CPC classification number: H04N19/91 ,  H04N19/124 ,  H04N19/172 ,  H04N19/176 ,  H04N19/30 ,  H04N19/44 ,  H04N19/61 ,  H04N19/70

Abstract: Entropy encoding and entropy decoding of image data are respectively performed whereby context modeling is performed on a context unit of blocks of the image data based on a context model of a previously encoded or decoded block.

公开(公告)号：US09544588B2

公开(公告)日：2017-01-10

申请号：US14341493

申请日：2014-07-25

Applicant: SAMSUNG ELECTRONICS CO., LTD.

Inventor： Tammy Lee ,  Woo-jin Han ,  Kyo-hyuk Lee

IPC: H04N7/12 ,  H04N11/02 ,  H04N11/04 ,  H04N19/51 ,  H04N19/105 ,  H04N19/52 ,  H04N19/139 ,  H04N19/176 ,  H04N19/70 ,  H04N19/147 ,  H04N19/513 ,  H04N19/61 ,  H04N19/96

CPC classification number: H04N19/139 ,  H04N19/105 ,  H04N19/117 ,  H04N19/124 ,  H04N19/147 ,  H04N19/159 ,  H04N19/176 ,  H04N19/184 ,  H04N19/51 ,  H04N19/513 ,  H04N19/52 ,  H04N19/61 ,  H04N19/70 ,  H04N19/865 ,  H04N19/96

Abstract: Provided are methods and apparatuses for encoding and decoding a motion vector including a method of decoding that includes obtaining a current coding unit hierarchically split from a maximum coding unit according to a current depth, obtaining a prediction mode information of a current prediction unit in the current coding unit from bitstream, when a prediction mode of the current prediction unit is inter-prediction mode, determining motion vector predictor candidates from among motion vectors of neighboring prediction units adjacent to the current prediction unit, and determining a motion vector predictor of the current prediction unit from among the motion vector predictor candidates, wherein the neighboring prediction unit comprises a first block directly to the left side of a leftmost block among blocks located directly to a bottom side of the current prediction unit and a second block located directly to a upper side of the first block.

Abstract translation: 提供了一种用于编码和解码运动矢量的方法和装置，包括解码方法，包括从当前深度从最大编码单元分级地获取当前编码单元，获得当前预测单元的预测模式信息 编码单元，当当前预测单元的预测模式是帧间预测模式时，从与当前预测单元相邻的相邻预测单元的运动矢量中确定运动矢量预测器候选，并且确定当前预测的运动矢量预测器 其中所述相邻预测单元包括直接位于当前预测单元的底侧的块中的最左侧块的左侧的第一块和直接位于上侧的第二块 的第一块。

公开(公告)号：US09503736B2

公开(公告)日：2016-11-22

申请号：US14299896

申请日：2014-06-09

Applicant: SAMSUNG ELECTRONICS CO., LTD.

Inventor： Tammy Lee ,  Woo-jin Han ,  Il-koo Kim ,  Sun-il Lee

IPC: H04N7/12 ,  H04N19/137 ,  H04N19/56 ,  H04N19/105 ,  H04N19/52 ,  H04N19/159 ,  H04N19/176 ,  H04N19/70 ,  H04N19/196 ,  H04N19/96 ,  H04N19/103 ,  H04N19/463 ,  H04N19/14 ,  H04N19/174 ,  H04N19/139 ,  H04N19/30 ,  H04N19/33

CPC classification number: H04N19/137 ,  H04N19/103 ,  H04N19/105 ,  H04N19/139 ,  H04N19/14 ,  H04N19/159 ,  H04N19/174 ,  H04N19/176 ,  H04N19/196 ,  H04N19/30 ,  H04N19/33 ,  H04N19/463 ,  H04N19/52 ,  H04N19/56 ,  H04N19/70 ,  H04N19/96

Abstract: Provided are a method and apparatus for encoding a video by using block merging and a method and apparatus for decoding a video by using block merging. The method of encoding includes: determining an encoding mode indicating a current data unit for encoding of a picture and an encoding method including prediction encoding performed for the current data unit; determining an occurrence of merging with at least one neighboring data unit based on at least one of the encoding mode and a prediction mode; and determining prediction mode information, merging related information, and prediction related information, and determining encoding information of the data unit including the prediction mode information, the merging related information, and the prediction related information.

Abstract translation: 提供了一种通过使用块合并对视频进行编码的方法和装置，以及通过使用块合并对视频进行解码的方法和装置。 编码方法包括：确定指示用于编码图像的当前数据单元的编码模式和包括对当前数据单元执行的预测编码的编码方法; 基于所述编码模式和预测模式中的至少一个，确定与至少一个相邻数据单元的合并的发生; 以及确定预测模式信息，合并相关信息和预测相关信息，以及确定包括预测模式信息，合并相关信息和预测相关信息的数据单元的编码信息。

公开(公告)号：US09424625B2

公开(公告)日：2016-08-23

申请号：US14636841

申请日：2015-03-03

Applicant: SAMSUNG ELECTRONICS CO., LTD.

Inventor： Elena Alshina ,  Alexander Alshin ,  Nikolay Shlyakhov ,  Byeong-doo Choi ,  Yoon-mi Hong ,  Woo-jin Han ,  Tammy Lee

IPC: G06K9/72 ,  G06T3/40 ,  H04N19/48 ,  H04N19/80 ,  H04N19/523 ,  H04N19/59 ,  H04N19/117 ,  H04N19/182 ,  H04N7/01 ,  H04N19/30

CPC classification number: G06T3/4007 ,  G06F17/175 ,  H04N7/014 ,  H04N19/117 ,  H04N19/182 ,  H04N19/30 ,  H04N19/48 ,  H04N19/523 ,  H04N19/59 ,  H04N19/80

Abstract: Provided are a method and apparatus for interpolating an image. The method includes: selecting a first filter, from among a plurality of different filters, for interpolating between pixel values of integer pixel units, according to an interpolation location; and generating at least one pixel value of at least one fractional pixel unit by interpolating between the pixel values of the integer pixel units by using the selected first filter.

公开(公告)号：US09319707B2

公开(公告)日：2016-04-19

申请号：US14610163

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：US09294781B2

公开(公告)日：2016-03-22

申请号：US14696959

申请日：2015-04-27

Applicant: SAMSUNG ELECTRONICS CO., LTD.

Inventor： Jung-hye Min ,  Woo-jin Han ,  Tammy Lee ,  Il-koo Kim ,  Min-su Cheon

IPC: H04N19/00 ,  H04N19/60 ,  H04N19/46 ,  H04N19/122 ,  H04N19/96 ,  H04N19/44 ,  H04N19/635 ,  H04N19/172 ,  H04N19/176

CPC classification number: H04N19/60 ,  H04N19/122 ,  H04N19/172 ,  H04N19/176 ,  H04N19/44 ,  H04N19/46 ,  H04N19/635 ,  H04N19/96

Abstract: Encoding and decoding a video using transformation index that indicates information that indicates a structure of a transformation unit transforming data of a current coding unit.

公开(公告)号：US09294780B2

公开(公告)日：2016-03-22

申请号：US14681248

申请日：2015-04-08

Applicant: SAMSUNG ELECTRONICS CO., LTD.

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

IPC: H04N7/12 ,  H04N19/51 ,  H04N19/503 ,  H04N19/139 ,  H04N19/176 ,  H04N19/70 ,  H04N19/119 ,  H04N19/46 ,  H04N19/122 ,  H04N19/61 ,  H04N19/96 ,  H04N19/137 ,  H04N19/157 ,  H04N19/537 ,  H04N19/543 ,  H04N19/30 ,  H04N19/33 ,  H04N19/50 ,  H04N19/533 ,  H04N19/103

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

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.

Abstract translation: 一种用于通过从编码图像的比特流解析指示分区类型是否包括非对称分区类型的非对称分区信息来解码视频的装置，通过使用从所接收的比特流解析出的分割信息来确定包括在最大编码单元中的至少一个编码单元， 通过使用非对称分区信息和关于从接收的比特流解析的编码单元的分区类型的信息，确定至少一个编码单元中的编码单元的至少一个预测单元，并且使用预测单元来执行运动补偿 编码单位。