公开(公告)号：US10257530B2

公开(公告)日：2019-04-09

申请号：US14619187

申请日：2015-02-11

Applicant: SAMSUNG ELECTRONICS CO., LTD.

Inventor： Min-su Cheon ,  Jung-hye Min ,  Woo-jin Han

IPC: H04N19/13 ,  H04N19/18 ,  H04N19/44 ,  H04N19/46 ,  H04N19/60 ,  H04N19/61 ,  H04N19/63 ,  H04N19/70 ,  H04N19/96 ,  H04N19/109 ,  H04N19/119 ,  H04N19/136 ,  H04N19/176 ,  H04N19/635

Abstract: A decoding apparatus for decoding an image by obtaining transformation coefficients of a sub residual block based on location information of at least one non-zero transformation coefficient and level information of the at least one non-zero transformation coefficient obtained from a bitstream.

公开(公告)号：US10212427B2

公开(公告)日：2019-02-19

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: H04N19/14 ,  H04N19/137 ,  H04N19/56 ,  H04N19/105 ,  H04N19/52 ,  H04N19/159 ,  H04N19/176 ,  H04N19/70 ,  H04N19/196 ,  H04N19/96 ,  H04N19/103 ,  H04N19/463 ,  H04N19/174 ,  H04N19/139 ,  H04N19/30 ,  H04N19/33

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.

公开(公告)号：US10154273B2

公开(公告)日：2018-12-11

申请号：US14619160

申请日：2015-02-11

Applicant: SAMSUNG ELECTRONICS CO., LTD.

Inventor： Min-su Cheon ,  Jung-hye Min ,  Woo-jin Han

IPC: H04N19/44 ,  H04N19/635 ,  H04N19/60 ,  H04N19/176 ,  H04N19/70 ,  H04N19/46 ,  H04N19/119 ,  H04N19/136 ,  H04N19/18 ,  H04N19/13 ,  H04N19/61 ,  H04N19/63 ,  H04N19/109 ,  H04N19/96

Abstract: A decoding apparatus for decoding an image by obtaining transformation coefficients of a sub residual block based on location information of a non-zero transformation coefficient and level information of the non-zero transformation coefficient obtained from a bitstream.

公开(公告)号：US10116949B2

公开(公告)日：2018-10-30

申请号：US15352203

申请日：2016-11-15

Applicant: SAMSUNG ELECTRONICS CO., LTD.

Inventor： Elena Alshina ,  Yoon-mi Hong ,  Woo-jin Han

IPC: H04N19/36 ,  H04N19/124 ,  H04N19/63 ,  H04N19/159 ,  H04N19/625 ,  H04N19/61 ,  H04N19/13 ,  H04N19/42 ,  H04N19/40 ,  H04N19/174 ,  H04N19/184

Abstract: Provided are a method and apparatus for encoding a video signal and a method and apparatus for decoding a video signal. The method of encoding the video signal includes: determining an optimum scaling bit depth of the video signal in consideration of a maximum bit number of an intermediate value obtained during transformation of the video signal and a maximum bit precision of the video signal; scaling the video signal according to a local shift value corresponding to a difference between the determined optimum scaling bit depth and an original bit depth of the video signal; and transforming the scaled video signal.

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：US09942549B2

公开(公告)日：2018-04-10

申请号：US15416776

申请日：2017-01-26

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 ,  H04N19/122 ,  H04N19/159 ,  H04N19/13 ,  H04N19/124 ,  H04N19/119

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：US09924192B2

公开(公告)日：2018-03-20

申请号：US15656442

申请日：2017-07-21

Applicant: SAMSUNG ELECTRONICS CO., LTD.

Inventor： Tammy Lee ,  Woo-jin Han

IPC: H04N19/513 ,  H04N19/61 ,  H04N19/159 ,  H04N19/56 ,  H04N19/176 ,  H04N19/577 ,  H04N19/96 ,  H04N19/51 ,  H04N19/70 ,  H04N19/124 ,  H04N19/182 ,  H04N19/172

CPC classification number: H04N19/513 ,  H04N19/124 ,  H04N19/159 ,  H04N19/172 ,  H04N19/176 ,  H04N19/182 ,  H04N19/51 ,  H04N19/56 ,  H04N19/577 ,  H04N19/61 ,  H04N19/70 ,  H04N19/96

Abstract: An encoding method and apparatus and a decoding method and apparatus for determining a motion vector of a current block based on a motion vector of at least one previously-encoded or previously-decoded block are provided. The decoding method includes: decoding information regarding a prediction direction from among a first direction, a second direction, and bi-directions, and information regarding pixel values of the current block; determining the prediction direction in which the current block is to be predicted, based on the decoded information regarding the prediction direction, and determining a motion vector for predicting the current block in the determined prediction direction; and restoring the current block, based on the determined motion vector and the decoded information regarding the pixel values, wherein the first direction is a direction from a current picture to a previous picture, and the second direction is a direction from the current picture to a subsequent picture.

公开(公告)号：US09547886B2

公开(公告)日：2017-01-17

申请号：US14636805

申请日：2015-03-03

Applicant: SAMSUNG ELECTRONICS CO., LTD.

Inventor： Elena Alshina ,  Alexander Alshin ,  Nikolay Shlyakhov ,  Byeong-doo Choi ,  Yoon-mi Hong ,  Woo-jin Han ,  Tammy Lee

IPC: G06K9/32 ,  G06T3/40 ,  G06F17/17 ,  H04N19/48 ,  H04N19/80 ,  H04N19/523 ,  H04N19/59 ,  H04N19/117 ,  H04N19/182 ,  H04N19/30 ,  H04N7/01

CPC classification number: G06T3/4007 ,  G06F17/175 ,  H04N7/014 ,  H04N19/117 ,  H04N19/182 ,  H04N19/30 ,  H04N19/48 ,  H04N19/523 ,  H04N19/59 ,  H04N19/80

Abstract: Provided are a method and apparatus for interpolating an image. The method includes: selecting a first filter, from among a plurality of different filters, for interpolating between pixel values of integer pixel units, according to an interpolation location; and generating at least one pixel value of at least one fractional pixel unit by interpolating between the pixel values of the integer pixel units by using the selected first filter.

Abstract translation: 提供了一种用于内插图像的方法和装置。 该方法包括：根据插值位置，从多个不同滤波器中选择第一滤波器，用于在整数像素单元的像素值之间进行内插; 以及通过使用所选择的第一滤波器在整数像素单元的像素值之间进行内插来生成至少一个分数像素单元的至少一个像素值。

公开(公告)号：US09538187B2

公开(公告)日：2017-01-03

申请号：US14630144

申请日：2015-02-24

Applicant: SAMSUNG ELECTRONICS CO., LTD.

Inventor： Elena Alshina ,  Jianle Chen ,  Woo-jin Han

IPC: H04N19/105 ,  H04N19/176 ,  H04N19/61 ,  H04N19/107 ,  H04N19/109 ,  H04N19/136 ,  H04N19/146 ,  H04N19/182 ,  H04N19/19 ,  H04N19/503 ,  H04N19/513 ,  H04N19/57

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.

Abstract translation: 提供了一种用于对视频进行编码和解码的方法和装置。 编码视频的方法包括：基于要编码的当前预测单元的大小来确定是否要使用单向运动估计模式和双向运动估计模式，对当前预测执行运动估计和运动补偿 根据确定是否使用单向运动估计模式和双向运动估计模式来确定当前预测单元的最佳运动估计模式;基于通过执行所述单向运动估计模式获得的当前预测单元的编码成本， 运动估计和运动补偿，以及基于当前预测单元的大小编码指示所确定的最佳运动估计模式的信息。

公开(公告)号：US09436975B2

公开(公告)日：2016-09-06

申请号：US14636882

申请日：2015-03-03

Applicant: SAMSUNG ELECTRONICS CO., LTD.

Inventor： Elena Alshina ,  Alexander Alshin ,  Nikolay Shlyakhov ,  Byeong-doo Choi ,  Yoon-mi Hong ,  Woo-jin Han ,  Tammy Lee

IPC: G06K9/32 ,  G06T3/40 ,  H04N19/48 ,  H04N19/80 ,  H04N19/523 ,  H04N19/59 ,  H04N19/117 ,  H04N19/182 ,  H04N7/01 ,  H04N19/30

CPC classification number: G06T3/4007 ,  G06F17/175 ,  H04N7/014 ,  H04N19/117 ,  H04N19/182 ,  H04N19/30 ,  H04N19/48 ,  H04N19/523 ,  H04N19/59 ,  H04N19/80

Abstract: Provided are a method and apparatus for interpolating an image. The method includes: selecting a first filter, from among a plurality of different filters, for interpolating between pixel values of integer pixel units, according to an interpolation location; and generating at least one pixel value of at least one fractional pixel unit by interpolating between the pixel values of the integer pixel units by using the selected first filter.

Abstract translation: 提供了一种用于内插图像的方法和装置。 该方法包括：根据插值位置，从多个不同滤波器中选择第一滤波器，用于在整数像素单元的像素值之间进行内插; 以及通过使用所选择的第一滤波器在整数像素单元的像素值之间进行内插来生成至少一个分数像素单元的至少一个像素值。