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：US09451282B2

公开(公告)日：2016-09-20

申请号：US14632673

申请日：2015-02-26

Applicant: SAMSUNG ELECTRONICS CO., LTD.

Inventor： Il-koo Kim ,  Young-o Park

IPC: H04N19/51 ,  H04N19/56 ,  H04N19/52 ,  H04N19/513 ,  H04N19/61 ,  H04N19/124 ,  H04N19/573 ,  H04N19/58 ,  H04N19/577 ,  H04N19/176

CPC classification number: H04N19/56 ,  H04N19/124 ,  H04N19/176 ,  H04N19/513 ,  H04N19/52 ,  H04N19/573 ,  H04N19/577 ,  H04N19/58 ,  H04N19/61

Abstract: Provided are motion vector determining method and apparatus for determining a motion vector via motion vector prediction. The motion vector determining method involves determining a candidate motion vector list comprising motion vectors of a plurality of candidate blocks referred so as to predict a motion vector of a current block, when a reference image of a first candidate block from among the plurality of candidate blocks is different from a reference image of the current block, determining whether or not to use a motion vector of the first candidate block from the candidate motion vector list, based on whether each of the reference image of the current block and the reference image of the first candidate block is a short-term reference image or a long-term reference image, and determining the motion vector of the current block by using a candidate motion vector selected from among the motion vectors comprised in the candidate motion vector list.

公开(公告)号：US09426496B2

公开(公告)日：2016-08-23

申请号：US14656045

申请日：2015-03-12

Applicant: SAMSUNG ELECTRONICS CO., LTD.

Inventor： Il-koo Kim

IPC: H04N19/18 ,  H04N19/91 ,  H04N19/139 ,  H04N19/13 ,  H04N19/119 ,  H04N19/46 ,  H04N19/44 ,  H04N19/60 ,  H04N19/176 ,  H04N19/157 ,  H04N19/159

CPC classification number: H04N19/91 ,  H04N19/119 ,  H04N19/13 ,  H04N19/139 ,  H04N19/157 ,  H04N19/159 ,  H04N19/176 ,  H04N19/18 ,  H04N19/44 ,  H04N19/46 ,  H04N19/60

Abstract: Provided are entropy decoding and encoding methods of a video. The entropy decoding method includes obtaining a transformation unit significant coefficient flag indicating whether a non-zero transformation coefficient exists in the transformation unit, from a bitstream, determining a context model for arithmetically 5 decoding the transformation unit significant coefficient flag, based on the transformation depth of the transformation unit and arithmetically decoding the transformation unit significant coefficient flag based on the determined context model.

公开(公告)号：US09407936B2

公开(公告)日：2016-08-02

申请号：US14362771

申请日：2013-07-02

Applicant: SAMSUNG ELECTRONICS CO., LTD.

Inventor： Il-koo Kim

IPC: H04N19/91 ,  H04N19/139 ,  H04N19/13 ,  H04N19/119 ,  H04N19/46 ,  H04N19/44 ,  H04N19/60 ,  H04N19/176 ,  H04N19/157 ,  H04N19/159 ,  H04N19/18

CPC classification number: H04N19/91 ,  H04N19/119 ,  H04N19/13 ,  H04N19/139 ,  H04N19/157 ,  H04N19/159 ,  H04N19/176 ,  H04N19/18 ,  H04N19/44 ,  H04N19/46 ,  H04N19/60

Abstract: Provided are entropy decoding and encoding methods of a video. The entropy decoding method includes obtaining a transformation unit significant coefficient flag indicating whether a non-zero transformation coefficient exists in the transformation unit, from a bitstream, determining a context model for arithmetically decoding the transformation unit significant coefficient flag, based on the transformation depth of the transformation unit and arithmetically decoding the transformation unit significant coefficient flag based on the determined context model.

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：US20150163500A1

公开(公告)日：2015-06-11

申请号：US14412828

申请日：2013-07-03

Applicant: SAMSUNG ELECTRONICS CO., LTD.

Inventor： Byeong-doo Choi ,  Young-o Park ,  Il-koo Kim ,  Jae-hyun Kim ,  Jeong-Hoon Park

IPC: H04N19/30 ,  H04N19/46 ,  H04N19/513 ,  H04N19/52

Abstract: Provided are a video encoding method and apparatus having temporal scalability, and a video decoding method and apparatus having temporal scalability. The video encoding method includes: splitting pictures included in a picture sequence into temporal sub-layers; classifying, as a first temporal layer access picture or a second temporal layer access picture, a temporal layer access picture based on whether a picture encoded after the temporal layer access picture is capable of referring to a picture encoded before the temporal layer access picture; and adding, to transmission unit data including the temporal layer access picture, type syntax information for identifying the first temporal layer access picture and the second temporal layer access picture, wherein the picture encoded after the temporal layer access picture belongs to a same temporal sub-layer as the temporal layer access picture or belongs to an upper temporal sub-layer to the temporal layer access picture.

Abstract translation: 提供了具有时间可缩放性的视频编码方法和装置，以及具有时间可扩展性的视频解码方法和装置。 视频编码方法包括：将包括在图像序列中的图像分解成时间子层; 基于在时间层访问图像之后编码的图像是否能够参考在时间层访问图像之前编码的图像，将第一时间层访问图像或第二时间层访问图像分类为时间层访问图像; 并且向包括时间层访问图像的发送单元数据添加用于识别第一时间层访问图像和第二时间层访问图像的类型语法信息，其中，在时间层访问图像之后编码的图像属于相同的时间子页面， 层作为时间层访问图像，或属于时间层访问图像的上层时间子层。