公开(公告)号：US08842734B2

公开(公告)日：2014-09-23

申请号：US14015476

申请日：2013-08-30

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: H04N7/12 ,  H04N11/02 ,  H04N11/04 ,  H04N19/46 ,  H04N19/176 ,  H04N19/132 ,  H04N19/44 ,  H04N19/119 ,  H04N19/19 ,  H04N19/122 ,  H04N19/147 ,  H04N19/96 ,  H04N19/30 ,  H04N19/50 ,  H04N19/103 ,  H04N19/61

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：US09924174B2

公开(公告)日：2018-03-20

申请号：US14604286

申请日：2015-01-23

Applicant: SAMSUNG ELECTRONICS CO., LTD.

Inventor： Jianle Chen ,  Jae-chool Lee ,  Sang-rae Lee ,  Min-su Cheon ,  Kyo-hyuk Lee

IPC: H04N19/172 ,  H04N19/91 ,  H04N19/13 ,  H04N19/184 ,  H04N19/70 ,  H04N19/129 ,  H04N19/174

CPC classification number: H04N19/172 ,  H04N19/129 ,  H04N19/13 ,  H04N19/174 ,  H04N19/184 ,  H04N19/70 ,  H04N19/91

Abstract: An image encoding method is provided, in which image data divided into basic blocks is classified in units of groups and subgroups, wherein each group comprises at least one basic block and each subgroup comprises at least one basic block and is included in each group; an encoding mode for a predetermined group is determined in order to encode the predetermined group, wherein the encoding mode represents a mode for encoding data included in the predetermined group in units of one data processing unit selected from a group, a subgroup, and a basic block; and the data of the predetermined group is encoded according to the determined encoding mode. Detailed operations in the image encoding method are performed in consideration of the encoding mode of the group.

公开(公告)号：US09762908B2

公开(公告)日：2017-09-12

申请号：US14336072

申请日：2014-07-21

Applicant: SAMSUNG ELECTRONICS CO., LTD.

Inventor： Jae-moon Kim ,  Ki-won Yoo ,  Jae-Hyun Kim ,  Kyo-hyuk Lee

IPC: H04N7/12 ,  H04N11/02 ,  H04N11/04 ,  H04N19/105 ,  H04N19/139 ,  H04N19/176 ,  H04N19/513 ,  H04N19/577

CPC classification number: H04N19/105 ,  H04N19/139 ,  H04N19/176 ,  H04N19/513 ,  H04N19/577

Abstract: Provided are a method and apparatus for encoding a video and a method and apparatus for decoding a video. The method of encoding includes: determining, for a current block, bidirectional motion estimation information comprising an L0 motion vector, an L1 motion vector, an L0 reference vector, and an L1 reference picture by performing bidirectional motion estimation on the current block; determining whether to use the determined bidirectional motion estimation information as prediction information of the current block based on whether the L0 reference picture and the L1 reference picture are the same and based on a difference value between the L0 motion vector and the L1 motion vector; and in response to determining to use the determined bidirectional motion estimation information as the prediction information of the current block, encoding the determined bidirectional motion estimation information as the prediction information of the current block.

公开(公告)号：US08811488B2

公开(公告)日：2014-08-19

申请号：US14028816

申请日：2013-09-17

Applicant: Samsung Electronics Co., Ltd.

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

IPC: H04N7/12 ,  H04N11/02 ,  H04N11/04 ,  H04N7/26 ,  H04N7/36

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 by hierarchically split from a maximum coding unit according to a current depth, obtaining a prediction mode information of a current coding unit from bitstream, determining motion vector predictor candidates from among motion vectors of adjacent coding unit adjacent to the current coding unit, and determining a motion vector predictor of the current coding unit from among the motion vector predictor candidates based on prediction mode information of the current coding unit, wherein the adjacent coding unit comprise a first block outside the current coding unit located on a lower-left side of the current coding unit.

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，包括通过根据当前深度从最大编码单元分层分割获得当前编码单元，从比特流获取当前编码单元的预测模式信息 从与当前编码单元相邻的相邻编码单元的运动矢量中确定运动矢量预测器候选，以及基于当前编码单元的预测模式信息，从运动矢量预测器候选中确定当前编码单元的运动矢量预测器， 其中相邻编码单元包括位于当前编码单元的左下侧的当前编码单元外部的第一块。

公开(公告)号：US08792558B2

公开(公告)日：2014-07-29

申请号：US13925437

申请日：2013-06-24

Applicant: Samsung Electronics Co., Ltd.

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

IPC: H04N7/12 ,  H04N7/36

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. The method of encoding the motion vector includes: selecting, as a mode of encoding information about a motion vector predictor of the current block, a first mode in which information indicating the motion vector predictor from among at least one motion vector predictor is encoded or a second mode in which information indicating generation of the motion vector predictor based on blocks or pixels included in a previously encoded area adjacent to the current block is encoded; determining the motion vector predictor of the current block according to the selected mode and encoding the information about the motion vector predictor of the current block; and encoding a difference vector between the motion vector of the current block and the motion vector predictor of the current block.

Abstract translation: 提供了用于对运动矢量进行编码和解码的方法和装置。 对运动矢量进行编码的方法包括：作为对当前块的运动矢量预测器的信息进行编码的模式，选择对从至少一个运动矢量预测器中的运动矢量预测器进行编码的信息进行编码的第一模式， 第二模式，其中编码基于与当前块相邻的先前编码区域中包括的块或像素的运动矢量预测器的生成的信息; 根据所选择的模式确定当前块的运动矢量预测器，并对关于当前块的运动矢量预测器的信息进行编码; 并且对当前块的运动矢量与当前块的运动矢量预测器之间的差矢量进行编码。

公开(公告)号：US10110902B2

公开(公告)日：2018-10-23

申请号：US15851329

申请日：2017-12-21

Applicant: SAMSUNG ELECTRONICS CO., LTD.

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

IPC: H04N19/139 ,  H04N19/105 ,  H04N19/96 ,  H04N19/86 ,  H04N19/61 ,  H04N19/52 ,  H04N19/513 ,  H04N19/176 ,  H04N19/159 ,  H04N19/147 ,  H04N19/124 ,  H04N19/117 ,  H04N19/70 ,  H04N19/184

Abstract: Provided are methods and apparatuses for encoding and decoding a motion vector.

公开(公告)号：US09936223B2

公开(公告)日：2018-04-03

申请号：US14336326

申请日：2014-07-21

Applicant: SAMSUNG ELECTRONICS CO., LTD.

Inventor： Sang-kwon Na ,  Ki-won Yoo ,  Jae-Hyun Kim ,  Kyo-hyuk Lee

IPC: H04N7/12 ,  H04N11/02 ,  H04N11/04 ,  H04N19/593 ,  H04N19/436 ,  H04N19/46 ,  H04N19/96

CPC classification number: H04N19/593 ,  H04N19/436 ,  H04N19/46 ,  H04N19/96

Abstract: Provided are a method and a device for encoding a video to improve an intra prediction processing speed, and a method and a device for decoding the video. The method for encoding a video performs parallel intra prediction and includes: obtaining, by using pixels of peripheral blocks processed prior to a plurality of adjacent blocks, reference pixels used for intra prediction of each of the plurality of adjacent blocks; performing, by using the obtained reference pixels, intra prediction in parallel for each of the plurality of adjacent blocks; and adding reference pixel syntax information to a bitstream.

公开(公告)号：US09451269B2

公开(公告)日：2016-09-20

申请号：US14394786

申请日：2013-04-17

Applicant: SAMSUNG ELECTRONICS CO., LTD.

Inventor： Hak-sup Song ,  Jae-hwan Joo ,  Chan-yul Kim ,  Jong-bum Choi ,  Jae-hyun Kim ,  Jeong-hoon Park ,  Kyo-hyuk Lee

IPC: G06K9/36 ,  H04N19/154 ,  H04N19/176 ,  H04N19/117 ,  H04N19/14 ,  H04N19/196 ,  H04N19/61 ,  H04N19/96 ,  H04N19/86

CPC classification number: H04N19/154 ,  H04N19/117 ,  H04N19/14 ,  H04N19/176 ,  H04N19/198 ,  H04N19/61 ,  H04N19/86 ,  H04N19/96

Abstract: A method of determining an offset includes dividing a current image into a plurality of blocks, determining a category of pixels in each of the plurality of blocks based on values of neighboring pixels, determining an offset value for pixels belonging to the category, and adjusting the offset value based on characteristics of the category and a background pixel value of each of the pixels. The offset value is an average of differences between values of original images and restored images of pixels belonging to one category. The background pixel value is an average of values of pixels in a background pixel block to which the pixels belong among background pixel blocks divided to calculate a background pixel value.

Abstract translation: 确定偏移的方法包括：将当前图像划分为多个块，基于相邻像素的值来确定多个块中的每个块中的像素的类别，确定属于该类别的像素的偏移值，以及调整 基于类别的特性和每个像素的背景像素值的偏移值。 偏移值是原始图像的值与属于一个类别的像素的还原图像之间的差的平均值。 背景像素值是被划分的像素属于背景像素块的背景像素块中的像素的值的平均值，以计算背景像素值。

公开(公告)号：US09438929B2

公开(公告)日：2016-09-06

申请号：US14218273

申请日：2014-03-18

Applicant: SAMSUNG ELECTRONICS CO., LTD.

Inventor： Hyung-ju Chun ,  Sung-oh Kim ,  Chan-sik Park ,  Kyo-hyuk Lee

IPC: G06K9/36 ,  H04N19/57

CPC classification number: H04N19/57

Abstract: An encoding and decoding method and apparatus are disclosed. whereby, According to the disclosed method, in response to a current frame including a current block being a P frame, a motion vector and an intra-mode-to-inter mode ratio of a frame encoded and decoded previously to the current frame are analyzed in order to determine a temporal search range and a spatial search range of a reference frame.

Abstract translation: 公开了一种编码和解码方法和装置。 根据所公开的方法，响应于包括当前块作为P帧的当前帧，分析了先前编码和解码的帧与当前帧的运动矢量和帧内模式间帧间比率 以便确定参考帧的时间搜索范围和空间搜索范围。

公开(公告)号：US08787463B2

公开(公告)日：2014-07-22

申请号：US13925337

申请日：2013-06-24

Applicant: Samsung Electronics Co., Ltd.

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

IPC: H04N7/12 ,  H04N7/36 ,  H04N7/26 ,  H04N7/50

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. The method of encoding the motion vector includes: selecting, as a mode of encoding information about a motion vector predictor of the current block, a first mode in which information indicating the motion vector predictor from among at least one motion vector predictor is encoded or a second mode in which information indicating generation of the motion vector predictor based on blocks or pixels included in a previously encoded area adjacent to the current block is encoded; determining the motion vector predictor of the current block according to the selected mode and encoding the information about the motion vector predictor of the current block; and encoding a difference vector between the motion vector of the current block and the motion vector predictor of the current block.