公开(公告)号：US20140153650A1

公开(公告)日：2014-06-05

申请号：US14177286

申请日：2014-02-11

Applicant: Samsung Electronics Co., Ltd.

Inventor： Min-su CHEON ,  Hae-kyung JUNG ,  Jung-hye MIN ,  Il-koo KIM

IPC: H04N19/60 ,  H04N19/30

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：US20140146878A1

公开(公告)日：2014-05-29

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: H04N19/129 ,  H04N19/157

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：US20140133563A1

公开(公告)日：2014-05-15

申请号：US14158414

申请日：2014-01-17

Applicant: SAMSUNG ELECTRONICS CO., LTD.

Inventor： Hae-kyung JUNG ,  Min-su CHEON ,  Jung-hye MIN ,  Il-koo KIM

IPC: H04N19/88 ,  H04N19/593

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：US20130301731A1

公开(公告)日：2013-11-14

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: H04N7/34

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：US20130148727A1

公开(公告)日：2013-06-13

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: H04N7/26

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.

Abstract translation: 公开了一种对视频进行编码的方法，该方法包括：将当前画面分割成至少一个最大编码单元; 根据至少一个分割区域确定编码深度以输出最终的编码结果，所述至少一个分割区域通过根据深度与所述最大编码单元的比例增加的深度来编码所述至少一个分割区域来分割所述最大编码单元的区域， 分割最大编码单位的区域的次数; 以及根据所述至少一个分割区域输出构成最终编码结果的图像数据，以及根据所述至少一个最大编码单元编码关于编码深度的信息和预测模式。

公开(公告)号：US20190364269A1

公开(公告)日：2019-11-28

申请号：US16538235

申请日：2019-08-12

Applicant: SAMSUNG ELECTRONICS CO., LTD.

Inventor： Chang-Hyun LEE ,  Tammy LEE ,  Jianle CHEN ,  Dae-sung CHO ,  Woo-jin HAN ,  Il-koo KIM

IPC: H04N19/103 ,  H04N19/61 ,  H04N19/46 ,  H04N19/176 ,  H04N19/57 ,  H04N19/119

Abstract: A video encoding method and apparatus and a video decoding method and apparatus are provided. The video encoding method includes: prediction encoding in units of a coding unit as a data unit for encoding a picture, by using partitions determined based on a first partition mode and a partition level, so as to select a partition for outputting an encoding result from among the determined partitions; and encoding and outputting partition information representing a first partition mode and a partition level of the selected partition. The first partition mode represents a shape and directionality of a partition as a data unit for performing the prediction encoding on the coding unit, and the partition level represents a degree to which the coding unit is split into partitions for detailed motion prediction.

公开(公告)号：US20190037212A1

公开(公告)日：2019-01-31

申请号：US16146201

申请日：2018-09-28

Applicant: SAMSUNG ELECTRONICS CO., LTD.

Inventor： Il-koo KIM ,  Jung-hye MIN ,  Hae-kyung JUNG ,  Sun-il LEE ,  Min-su CHEON

IPC: H04N19/103 ,  H04N19/176 ,  H04N19/70 ,  H04N19/105 ,  H04N19/119 ,  H04N19/122 ,  H04N19/132 ,  H04N19/172 ,  H04N19/96 ,  H04N19/196 ,  H04N19/46 ,  H04N19/597 ,  H04N19/61

Abstract: A method of encoding a video includes: splitting a picture into a maximum coding unit; for the maximum coding unit, determining coding units having a tree structure including coding units of coded depths and determining encoding modes for the coding units of the coded depths by performing encoding based on coding units according to depths, the coding units according to depths obtained by hierarchically splitting the maximum coding unit as a depth deepens; and outputting information about a maximum coding unit size and, for the maximum coding unit, information indicating an order of split information and skip mode information which is selectively determined for the coding units according to depths, information about the encoding modes for the coding units of the coded depths including the split information and the skip mode information which are arranged according to the order, and encoded video data.

公开(公告)号：US20180205950A1

公开(公告)日：2018-07-19

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 ,  H04N19/119 ,  H04N19/124 ,  H04N19/13 ,  H04N19/159

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.

公开(公告)号：US20180199045A1

公开(公告)日：2018-07-12

申请号：US15917051

申请日：2018-03-09

Applicant: SAMSUNG ELECTRONICS CO., LTD.

Inventor： Young-o PARK ,  Il-koo KIM ,  Chan-yul KIM ,  Kwang-pyo CHOI

IPC: H04N19/19 ,  H04N19/58 ,  H04N19/196 ,  H04N19/463

Abstract: Provided are an inter prediction method and a motion compensation method. The inter prediction method includes: performing inter prediction on a current image by using a long-term reference image stored in a decoded picture buffer; determining residual data and a motion vector of the current image generated via the inter prediction; and determining least significant bit (LSB) information as a long-term reference index indicating the long-term reference image by dividing picture order count (POC) information of the long-term reference image into most significant bit (MSB) information and the LSB information.

公开(公告)号：US20180184114A1

公开(公告)日：2018-06-28

申请号：US15902519

申请日：2018-02-22

Applicant: SAMSUNG ELECTRONICS CO., LTD.

Inventor： Il-koo KIM ,  Young-o PARK

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

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

Abstract: 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.