公开(公告)号：US20200221094A1

公开(公告)日：2020-07-09

申请号：US16820191

申请日：2020-03-16

Applicant: SAMSUNG ELECTRONICS CO., LTD.

Inventor： Vadim SEREGIN ,  Jianle Chen ,  Sun-il Lee ,  Tammy Lee

IPC: H04N19/13 ,  H04N19/46 ,  H04N19/593 ,  H04N19/463 ,  H04N19/186

Abstract: Methods and apparatuses for encoding and decoding an intra prediction mode of a prediction unit of a chrominance component based on an intra prediction mode of a prediction unit of a luminance component are provided. When an intra prediction mode of a prediction unit of a luminance component is the same as an intra prediction mode in an intra prediction mode candidate group of a prediction unit of a chrominance component, reconstructing the intra prediction mode candidate group of the prediction unit of the chrominance component by excluding or replacing an intra prediction mode of the prediction unit of the chrominance component which is same as an intra prediction mode of the prediction unit of the luminance component from the intra prediction mode candidate group, and encoding the intra prediction mode of the prediction unit of the chrominance component by using the reconstructed intra prediction mode candidate group.

公开(公告)号：US10425690B2

公开(公告)日：2019-09-24

申请号：US15306902

申请日：2015-05-01

Applicant: SAMSUNG ELECTRONICS CO., LTD.

Inventor： Ho-cheon Wey ,  Joon-hyun Lee ,  Chan-yul Kim ,  Jeong-hoon Park ,  Sun-il Lee ,  Kwang-pyo Choi

IPC: H04N21/266 ,  H04N21/45 ,  H04N21/4545 ,  H04N21/4627 ,  H04N21/6334 ,  H04N21/83 ,  H04N21/435 ,  H04N21/4408 ,  H04N21/84

Abstract: Provided is a video processing device and method capable of enhancing security of content included in a video, the video processing device including: a loader configured to load an original video; an encoder configured to generate an encoded video including a header and a payload by encoding the loaded original video; and a security information inserter configured to insert security information comprising information about a reproduction right of the video into the header or the payload.

公开(公告)号：US10306262B2

公开(公告)日：2019-05-28

申请号：US16016031

申请日：2018-06-22

Applicant: SAMSUNG ELECTRONICS CO., LTD.

Inventor： Woo-jin Han ,  Elena Alshina ,  Jung-hye Min ,  Alexander Alshin ,  Il-koo Kim ,  Nikolay Shlyakhov ,  Tammy Lee ,  Sun-il Lee ,  Min-su Cheon ,  Jianle Chen ,  Vadim Seregin ,  Yoon-mi Hong

IPC: H04N19/50 ,  H04N19/59 ,  H04N19/176 ,  H04N19/196 ,  H04N19/80 ,  H04N19/119 ,  H04N19/147 ,  H04N19/61 ,  H04N19/96 ,  H04N19/513 ,  H04N19/593 ,  H04N19/44 ,  H04N19/52 ,  H04N19/172 ,  H04N19/159 ,  H04N19/139 ,  H04N19/117 ,  H04N19/82 ,  H04N19/86 ,  H04N19/30 ,  H04N19/184

Abstract: A method of encoding a video is provided, the method includes: determining a filtering boundary on which deblocking filtering is to be performed based on at least one data unit from among a plurality of coding units that are hierarchically configured according to depths indicating a number of times at least one maximum coding unit is spatially spilt, and a plurality of prediction units and a plurality of transformation units respectively for prediction and transformation of the plurality of coding units, determining filtering strength at the filtering boundary based on a prediction mode of a coding unit to which pixels adjacent to the filtering belong from among the plurality of coding units, and transformation coefficient values of the pixels adjacent to the filtering boundary, and performing deblocking filtering on the filtering boundary based on the determined filtering strength.

公开(公告)号：US10257538B2

公开(公告)日：2019-04-09

申请号：US15185153

申请日：2016-06-17

Applicant: SAMSUNG ELECTRONICS CO., LTD.

Inventor： Yin-ji Piao ,  Sun-il Lee

IPC: H04N19/593 ,  H04N19/463 ,  H04N19/176 ,  H04N19/11

Abstract: Provided is a video decoding method including determining a reference intra prediction mode, based on availability and a prediction mode of an adjacent block of a current block; determining a plurality of candidate intra prediction modes for the current block, based on the reference intra prediction mode; obtaining, from a bitstream, intra prediction data comprising information regarding an intra prediction mode of the current block; when the intra prediction data indicates that the current block is predicted according to one of the plurality of candidate intra prediction modes, selecting an intra prediction mode to be used in intra predicting the current block, wherein the intra prediction mode is from among the plurality of candidate intra prediction modes; and performing intra prediction on the current block, according to the selected intra prediction mode.

公开(公告)号：US10091501B2

公开(公告)日：2018-10-02

申请号：US15096540

申请日：2016-04-12

Applicant: SAMSUNG ELECTRONICS CO., LTD.

Inventor： Sun-il Lee ,  Chan-yul Park ,  Elena Alshina

IPC: H04N19/157 ,  H04N19/105 ,  H04N19/134 ,  H04N19/159 ,  H04N19/176 ,  H04N19/96 ,  H04N19/593 ,  H04N19/11 ,  H04N19/57

Abstract: Provided is a video decoding method including: determining a size of a block on which intra block copy prediction is to be performed, based on block size information obtained from a bitstream; comparing the determined size of the block with a size of a current block, and determining, based on a result of the comparing, whether the size of the current block falls within the determined size of the block; and performing intra block copy prediction on the current block when it is determined that the size of the current block falls within the determined size of the block.

公开(公告)号：US10027972B2

公开(公告)日：2018-07-17

申请号：US15647720

申请日：2017-07-12

Applicant: SAMSUNG ELECTRONICS CO., LTD.

Inventor： Woo-jin Han ,  Elena Alshina ,  Jung-hye Min ,  Alexander Alshin ,  Il-koo Kim ,  Nikolay Shlyakhov ,  Tammy Lee ,  Sun-il Lee ,  Min-su Cheon ,  Jianle Chen ,  Vadim Seregin ,  Yoon-mi Hong

IPC: H04N7/12 ,  H04N19/50 ,  H04N19/176 ,  H04N19/196 ,  H04N19/80 ,  H04N19/119 ,  H04N19/147 ,  H04N19/61 ,  H04N19/96 ,  H04N19/513 ,  H04N19/593 ,  H04N19/44 ,  H04N19/52 ,  H04N19/172 ,  H04N19/159 ,  H04N19/139 ,  H04N19/117 ,  H04N19/82 ,  H04N19/86 ,  H04N19/184

CPC classification number: H04N19/59 ,  H04N19/117 ,  H04N19/119 ,  H04N19/139 ,  H04N19/147 ,  H04N19/159 ,  H04N19/172 ,  H04N19/176 ,  H04N19/184 ,  H04N19/197 ,  H04N19/30 ,  H04N19/44 ,  H04N19/50 ,  H04N19/513 ,  H04N19/52 ,  H04N19/593 ,  H04N19/61 ,  H04N19/80 ,  H04N19/82 ,  H04N19/86 ,  H04N19/96

Abstract: A method of encoding a video is provided, the method includes: determining a filtering boundary on which deblocking filtering is to be performed based on at least one data unit from among a plurality of coding units that are hierarchically configured according to depths indicating a number of times at least one maximum coding unit is spatially spilt, and a plurality of prediction units and a plurality of transformation units respectively for prediction and transformation of the plurality of coding units, determining filtering strength at the filtering boundary based on a prediction mode of a coding unit to which pixels adjacent to the filtering belong from among the plurality of coding units, and transformation coefficient values of the pixels adjacent to the filtering boundary, and performing deblocking filtering on the filtering boundary based on the determined filtering strength.

公开(公告)号：US09654796B2

公开(公告)日：2017-05-16

申请号：US14627765

申请日：2015-02-20

Applicant: SAMSUNG ELECTRONICS CO., LTD.

Inventor： Jung-hye Min ,  Sun-il Lee ,  Woo-jin Han

IPC: H04N7/32 ,  H04N19/593 ,  H04N19/105 ,  H04N19/176 ,  H04N19/11 ,  H04N19/14 ,  H04N19/167 ,  H04N19/182 ,  H04N19/196 ,  H04N19/513 ,  H04N19/80 ,  H04N19/91

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: An apparatus for decoding an image, the apparatus including an entropy decoder configured to extract an intra prediction mode of a current block, and an intra prediction performer configured to determine a number of neighboring pixels located on a left side of the current block or an upper side of the current block, determine a location of one or more neighboring pixels, the intra prediction mode indicating a particular direction among a plurality of directions, the particular direction being indicated by using one of a dx number in a horizontal direction and a fixed number in a vertical direction, and the location of the one or more neighboring pixels being determined based on a shift operation.

公开(公告)号：US09602845B2

公开(公告)日：2017-03-21

申请号：US15155810

申请日：2016-05-16

Applicant: SAMSUNG ELECTRONICS CO., LTD.

Inventor： Woong-II Choi ,  Woo-jin Han ,  Tammy Lee ,  Sun-il Lee

IPC: H04N19/172 ,  H04N19/91 ,  H04N19/61 ,  H04N19/176 ,  H04N19/44 ,  H04N19/70

CPC classification number: H04N19/91 ,  H04N19/124 ,  H04N19/172 ,  H04N19/176 ,  H04N19/30 ,  H04N19/44 ,  H04N19/61 ,  H04N19/70

Abstract: Entropy encoding and entropy decoding of image data are respectively performed whereby context modeling is performed on a context unit of blocks of the image data based on a context model of a previously encoded or decoded block.

公开(公告)号：US09503736B2

公开(公告)日：2016-11-22

申请号：US14299896

申请日：2014-06-09

Applicant: SAMSUNG ELECTRONICS CO., LTD.

Inventor： Tammy Lee ,  Woo-jin Han ,  Il-koo Kim ,  Sun-il Lee

IPC: H04N7/12 ,  H04N19/137 ,  H04N19/56 ,  H04N19/105 ,  H04N19/52 ,  H04N19/159 ,  H04N19/176 ,  H04N19/70 ,  H04N19/196 ,  H04N19/96 ,  H04N19/103 ,  H04N19/463 ,  H04N19/14 ,  H04N19/174 ,  H04N19/139 ,  H04N19/30 ,  H04N19/33

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.

Abstract translation: 提供了一种通过使用块合并对视频进行编码的方法和装置，以及通过使用块合并对视频进行解码的方法和装置。 编码方法包括：确定指示用于编码图像的当前数据单元的编码模式和包括对当前数据单元执行的预测编码的编码方法; 基于所述编码模式和预测模式中的至少一个，确定与至少一个相邻数据单元的合并的发生; 以及确定预测模式信息，合并相关信息和预测相关信息，以及确定包括预测模式信息，合并相关信息和预测相关信息的数据单元的编码信息。

公开(公告)号：US09313506B2

公开(公告)日：2016-04-12

申请号：US14643483

申请日：2015-03-10

Applicant: SAMSUNG ELECTRONICS CO., LTD.

Inventor： Sun-il Lee ,  Hae-kyung Jung ,  Min-su Cheon

IPC: H04N13/00 ,  H04N19/12 ,  H04N19/13 ,  H04N19/176 ,  H04N19/157 ,  H04N19/18 ,  H04N19/196 ,  H04N19/91 ,  H04N19/192 ,  H04N19/122 ,  H04N19/149 ,  H04N19/70

CPC classification number: H04N19/12 ,  H04N19/122 ,  H04N19/13 ,  H04N19/149 ,  H04N19/157 ,  H04N19/176 ,  H04N19/18 ,  H04N19/192 ,  H04N19/196 ,  H04N19/70 ,  H04N19/91

Abstract: Provided are a method and a device for encoding a video by using a data unit of a hierarchical structure, and a method and a device for decoding the same. A video encoding device includes: a hierarchical encoder configured to encode a picture of a video based on a data unit of a hierarchical structure; and an entropy coder configured to determine a context model used for entropy coding of a symbol based on hierarchical information of a data unit to which the symbol of the encoded picture belongs, and to entropy encode the symbol using the determined context model.