公开(公告)号：US09654795B2

公开(公告)日：2017-05-16

申请号：US14616383

申请日：2015-02-06

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, and configured to 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：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：US09602828B2

公开(公告)日：2017-03-21

申请号：US15098483

申请日：2016-04-14

Applicant: SAMSUNG ELECTRONICS CO., LTD.

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

IPC: H04N7/12 ,  H04N19/33 ,  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 ,  H04N19/52 ,  H04N19/13 ,  H04N19/593 ,  H04N19/82 ,  H04N19/86

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：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：US09369715B2

公开(公告)日：2016-06-14

申请号：US14057199

申请日：2013-10-18

Applicant: SAMSUNG ELECTRONICS CO., LTD.

Inventor： Hak-sup Song ,  Jung-hye Min

IPC: H04N7/12 ,  H04N19/105 ,  H04N19/176 ,  H04N19/134 ,  H04N19/96 ,  H04N19/593 ,  H04N19/11 ,  H04N19/14 ,  H04N19/80

CPC classification number: H04N19/105 ,  H04N19/11 ,  H04N19/134 ,  H04N19/14 ,  H04N19/176 ,  H04N19/593 ,  H04N19/80 ,  H04N19/96

Abstract: An apparatus of decoding an image includes an entropy decoder which obtains information about an intra prediction mode applied to a current block to be decoded, from a bitstream; and an intra prediction performer which obtains one of a left neighboring pixel whose location is determined based on j*dy>>n and a up neighboring pixel whose location is determined based on i*dx>>m, where a current pixel is located on (i,j), dx, dy, m and n are integers and performs intra prediction on the current pixel using one of the left neighboring pixel and the up neighboring pixel.

Abstract translation: 解码图像的装置包括从比特流获取关于应用于要解码的当前块的帧内预测模式的信息的熵解码器; 以及帧内预测执行器，其获得基于j * dy >> n确定位置的左邻近像素中的一个，以及基于i * dx >> m确定位置的向上相邻像素，其中当前像素位于 （i，j），dx，dy，m和n是整数，并且使用左邻近像素和向上相邻像素之一对当前像素执行帧内预测。

公开(公告)号：US09137536B2

公开(公告)日：2015-09-15

申请号：US14444358

申请日：2014-07-28

Applicant: SAMSUNG ELECTRONICS CO., LTD.

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

IPC: H04N7/12 ,  H04N19/129 ,  H04N19/52 ,  H04N19/50 ,  H04N19/176 ,  H04N19/119 ,  H04N19/147 ,  H04N19/122 ,  H04N19/61 ,  H04N19/593 ,  H04N19/107 ,  H04N19/132 ,  H04N19/157 ,  H04N19/187 ,  H04N19/167 ,  H04N19/23 ,  H04N19/196 ,  H04N19/88 ,  H04N19/30 ,  H04N19/146

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：US09137534B2

公开(公告)日：2015-09-15

申请号：US14606713

申请日：2015-01-27

Applicant: SAMSUNG ELECTRONICS CO., LTD.

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

IPC: G06K9/36 ,  H04N19/105 ,  G06T9/00 ,  H04N19/176 ,  H04N19/119 ,  H04N19/96 ,  H04N19/103 ,  H04N19/132 ,  H04N19/50 ,  H04N19/17 ,  H04N19/115 ,  H04N19/46

CPC classification number: H04N19/105 ,  G06T9/00 ,  H04N19/103 ,  H04N19/115 ,  H04N19/119 ,  H04N19/132 ,  H04N19/17 ,  H04N19/176 ,  H04N19/46 ,  H04N19/50 ,  H04N19/96

Abstract: An apparatus for decoding an image includes an encoding information extractor which extracts split information indicating whether to split a coding unit of an upper depth into coding units of deeper depths and skip information indicating whether a prediction mode of a current coding unit is a skip mode, from image data and a decoding unit which determines a split structure of a maximum coding unit, according to the split information so that the maximum coding unit is hierarchically split as a depth increases and determines whether the prediction mode of the current coding unit is the skip mode according to the skip information.

公开(公告)号：US09131231B2

公开(公告)日：2015-09-08

申请号：US14500045

申请日：2014-09-29

Applicant: SAMSUNG ELECTRONICS CO., LTD.

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

IPC: G06K9/46 ,  H04N19/105 ,  G06T9/00 ,  H04N19/176 ,  H04N19/119 ,  H04N19/96 ,  H04N19/103 ,  H04N19/132 ,  H04N19/50 ,  H04N19/17 ,  H04N19/115 ,  H04N19/46

CPC classification number: H04N19/105 ,  G06T9/00 ,  H04N19/103 ,  H04N19/115 ,  H04N19/119 ,  H04N19/132 ,  H04N19/17 ,  H04N19/176 ,  H04N19/46 ,  H04N19/50 ,  H04N19/96

Abstract: An apparatus for decoding an image includes an encoding information extractor which extracts split information indicating whether to split a coding unit of an upper depth into coding units of deeper depths and skip information indicating whether a prediction mode of a current coding unit is a skip mode, from image data and a decoding unit which determines a split structure of a maximum coding unit, according to the split information so that the maximum coding unit is hierarchically split as a depth increases and determines whether the prediction mode of the current coding unit is the skip mode according to the skip information.

公开(公告)号：US09118916B2

公开(公告)日：2015-08-25

申请号：US14600953

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 ,  H04N19/86 ,  H04N19/117 ,  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.

Abstract translation: 提供了一种通过使用解块滤波对视频进行编码的方法和装置，以及通过使用去块滤波来解码视频的方法和装置。 视频编码方法包括：将图像分割为最大编码单位; 基于至少一个预测单元，对最大编码单位的编码单位进行预测编码，基于至少一个变换单位变换编码单位，确定最大编码单位的编码单位的编码深度的编码单位和编码模式，其中， 最大编码单位在深度加深的情况下被分层分割为编码单元，编码深度是最大编码单元在编码单元中被编码的深度; 并且考虑到编码模式，对编码单元中的空间域进行逆变换的视频数据进行去块滤波。

公开(公告)号：US09049460B1

公开(公告)日：2015-06-02

申请号：US14611630

申请日：2015-02-02

Applicant: Samsung Electronics Co., Ltd.

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

IPC: H04N19/00 ,  H04N19/635

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.