公开(公告)号：US20150172720A1

公开(公告)日：2015-06-18

申请号：US14626010

申请日：2015-02-19

Applicant: SAMSUNG ELECTRONICS CO., LTD.

Inventor： Tammy LEE ,  Woo-jin HAN

IPC: H04N19/61 ,  H04N19/169 ,  H04N19/176

CPC classification number: H04N19/61 ,  H04N19/119 ,  H04N19/122 ,  H04N19/136 ,  H04N19/172 ,  H04N19/174 ,  H04N19/176 ,  H04N19/1883 ,  H04N19/44 ,  H04N19/46 ,  H04N19/60 ,  H04N19/96

Abstract: A video encoding method is provided, the method includes: encoding a current region of a video by performing a transformation on the current region by using transformation units in a variable tree-structure which are determined from among transformation units that are hierarchically split from a base transformation unit with respect to the current region and which are generated based on a maximum split level of a transformation unit; and outputting encoded data of the current region, information about an encoding mode, and transformation-unit hierarchical-structure information comprising maximum size information and minimum size information of the transformation unit with respect to the video.

公开(公告)号：US20150172712A1

公开(公告)日：2015-06-18

申请号：US14627810

申请日：2015-02-20

Applicant: SAMSUNG ELECTRONICS CO., LTD.

Inventor： Jung-hye MIN ,  Sun-il LEE ,  Woo-jin HAN

IPC: H04N19/593

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: A method and apparatus for encoding and decoding an image through intra prediction using a pixel of the neighboring block along an extended line having a predetermined gradient about a pixel inside the current block.

公开(公告)号：US20150172696A1

公开(公告)日：2015-06-18

申请号：US14630144

申请日：2015-02-24

Applicant: SAMSUNG ELECTRONICS CO., LTD.

Inventor： Elena ALSHINA ,  Jianle CHEN ,  Woo-jin HAN

IPC: H04N19/513 ,  H04N19/105 ,  H04N19/176

CPC classification number: H04N19/105 ,  H04N19/107 ,  H04N19/109 ,  H04N19/136 ,  H04N19/146 ,  H04N19/176 ,  H04N19/182 ,  H04N19/19 ,  H04N19/503 ,  H04N19/513 ,  H04N19/523 ,  H04N19/57 ,  H04N19/61

Abstract: A method and apparatus for encoding and decoding a video are provided. The method of encoding the video includes: determining whether a unidirectional motion estimation mode and a bidirectional motion estimation mode are to be used based on a size of a current prediction unit to be encoded, performing the motion estimation and the motion compensation on the current prediction unit according to the determining of whether the unidirectional motion estimation mode and the bidirectional motion estimation mode are to be used, determining an optimum motion estimation mode of the current prediction unit based on an encoding cost of the current prediction unit obtained through the performing of the motion estimation and the motion compensation, and encoding information indicating the determined optimum motion estimation mode based on the size of the current prediction unit.

公开(公告)号：US20150156513A1

公开(公告)日：2015-06-04

申请号：US14618201

申请日：2015-02-10

Applicant: SAMSUNG ELECTRONICS CO., LTD.

Inventor： Tammy LEE ,  Woo-jin HAN ,  Jianle CHEN ,  Hae-kyung JUNG

IPC: H04N19/625 ,  H04N19/61 ,  H04N19/169

CPC classification number: H04N19/625 ,  G06T9/00 ,  H04N19/107 ,  H04N19/119 ,  H04N19/122 ,  H04N19/169 ,  H04N19/176 ,  H04N19/61 ,  H04N19/70 ,  H04N19/96

Abstract: An image decoding apparatus in which a size of at least one transformation unit in a coding unit is determined independently from a size of at least one prediction unit in the coding unit.

Abstract translation: 一种图像解码装置，其中独立于编码单元中的至少一个预测单元的大小来确定编码单元中的至少一个变换单元的大小。

公开(公告)号：US20150124881A1

公开(公告)日：2015-05-07

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: H04N19/159 ,  H04N19/186 ,  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.

Abstract translation: 一种解码图像的方法，包括根据色度块的帧内预测模式是否等于亮度块的帧内预测模式对色度块执行帧内预测。

公开(公告)号：US20150117532A1

公开(公告)日：2015-04-30

申请号：US14597808

申请日：2015-01-15

Applicant: SAMSUNG ELECTRONICS CO., LTD.

Inventor： Jung-hye MIN ,  Elena ALSHINA ,  Woo-jin HAN

IPC: H04N19/50 ,  H04N19/44

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：US20150023414A1

公开(公告)日：2015-01-22

申请号：US14506073

申请日：2014-10-03

Applicant: SAMSUNG ELECTRONICS CO., LTD.

Inventor： Woo-jin HAN ,  Jung-hye MIN ,  Il-koo KIM

IPC: H04N19/124 ,  H04N19/44 ,  H04N19/196

CPC classification number: H04N19/124 ,  H04N19/103 ,  H04N19/105 ,  H04N19/115 ,  H04N19/117 ,  H04N19/119 ,  H04N19/122 ,  H04N19/126 ,  H04N19/13 ,  H04N19/136 ,  H04N19/146 ,  H04N19/157 ,  H04N19/167 ,  H04N19/17 ,  H04N19/172 ,  H04N19/174 ,  H04N19/176 ,  H04N19/177 ,  H04N19/18 ,  H04N19/198 ,  H04N19/30 ,  H04N19/37 ,  H04N19/44 ,  H04N19/50 ,  H04N19/61 ,  H04N19/96

Abstract: An apparatus and method for encoding video data and an apparatus and method for decoding video data are provided. The encoding method includes: splitting a current picture into at least one maximum coding unit; determining a coded depth to output an encoding result by encoding at least one split region of the at least one maximum coding unit according to operating mode of coding tool, respectively, based on a relationship among a depth of at least one coding unit of the at least one maximum coding unit, a coding tool, and an operating mode, wherein the at least one split region is generated by hierarchically splitting the at least one maximum coding unit according to depths; and outputting a bitstream including encoded video data of the coded depth, information regarding a coded depth of at least one maximum coding unit, information regarding an encoding mode, and information regarding the relationship.

Abstract translation: 提供了一种用于对视频数据进行编码的装置和方法以及用于对视频数据进行解码的装置和方法。 编码方法包括：将当前画面分割成至少一个最大编码单元; 通过根据编码工具的操作模式分别对所述至少一个最大编码单元的至少一个编码单元的至少一个编码单元的深度与所述至少一个编码单元的深度之间的关系进行编码，从而确定编码深度以输出编码结果， 至少一个最大编码单元，编码工具和操作模式，其中通过根据深度对所述至少一个最大编码单元进行分层分割来生成所述至少一个分割区域; 并且输出包括编码深度的编码视频数据的比特流，关于至少一个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关于该关系的信息。

公开(公告)号：US20140334550A1

公开(公告)日：2014-11-13

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: H04N19/139

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：US20140328392A1

公开(公告)日：2014-11-06

申请号：US14335574

申请日：2014-07-18

Applicant: SAMSUNG ELECTRONICS CO., LTD.

Inventor： Woo-jin HAN ,  Jung-hye MIN ,  Il-koo KIM

IPC: H04N19/124 ,  H04N19/30 ,  H04N19/44

CPC classification number: H04N19/124 ,  H04N19/103 ,  H04N19/105 ,  H04N19/115 ,  H04N19/117 ,  H04N19/119 ,  H04N19/122 ,  H04N19/126 ,  H04N19/13 ,  H04N19/136 ,  H04N19/146 ,  H04N19/157 ,  H04N19/167 ,  H04N19/17 ,  H04N19/172 ,  H04N19/174 ,  H04N19/176 ,  H04N19/177 ,  H04N19/18 ,  H04N19/198 ,  H04N19/30 ,  H04N19/37 ,  H04N19/44 ,  H04N19/50 ,  H04N19/61 ,  H04N19/96

Abstract: An apparatus and method for encoding video data and an apparatus and method for decoding video data are provided. The encoding method includes: splitting a current picture into at least one maximum coding unit; determining a coded depth to output an encoding result by encoding at least one split region of the at least one maximum coding unit according to operating mode of coding tool, respectively, based on a relationship among a depth of at least one coding unit of the at least one maximum coding unit, a coding tool, and an operating mode, wherein the at least one split region is generated by hierarchically splitting the at least one maximum coding unit according to depths; and outputting a bitstream including encoded video data of the coded depth, information regarding a coded depth of at least one maximum coding unit, information regarding an encoding mode, and information regarding the relationship.

公开(公告)号：US20140286430A1

公开(公告)日：2014-09-25

申请号：US14299863

申请日：2014-06-09

Applicant: SAMSUNG ELECTRONICS CO., LTD.

Inventor： Tammy LEE ,  Woo-jin HAN ,  Il-koo KIM ,  Sun-il LEE

IPC: H04N19/103 ,  H04N19/463 ,  H04N19/14 ,  H04N19/176

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.