公开(公告)号：US12034924B2

公开(公告)日：2024-07-09

申请号：US17967542

申请日：2022-10-17

Applicant: SAMSUNG ELECTRONICS CO., LTD.

Inventor： Woong-il Choi ,  Sun-il Lee ,  Ki-ho Choi

IPC: H04N19/105 ,  H04N19/117 ,  H04N19/159 ,  H04N19/176

CPC classification number: H04N19/117 ,  H04N19/105 ,  H04N19/159 ,  H04N19/176

Abstract: Provided is a video decoding method of applying a deblocking filter to neighboring pixels adjacent to a boundary of a current block, the video decoding method including selecting a deblocking filter to be applied to the neighboring pixels from among a plurality of deblocking filters according to pixel values of the neighboring pixels and a size of the current block, and applying the selected deblocking filter to the neighboring pixels, wherein the plurality of deblocking filters include three or more deblocking filters having different ranges of neighboring pixels to which deblocking filtering is applied.

公开(公告)号：US10764595B2

公开(公告)日：2020-09-01

申请号：US16007375

申请日：2018-06-13

Applicant: SAMSUNG ELECTRONICS CO., LTD. ,  INDUSTRY-ACADEMIC COOPERATION FOUNDATION, YONSEI UNIVERSITY

Inventor： Sun-il Lee ,  Won Woo Ro ,  Kyungah Kim ,  Minsik Kim ,  Chan-yul Kim

IPC: H04N11/02 ,  H04N19/436 ,  H04N19/46 ,  H04N19/172 ,  H04N19/44 ,  H04N19/176 ,  H04N19/119 ,  H04N19/14

Abstract: Provided is an image encoding method including extracting feature points from a picture; generating at least two clusters by performing feature point clustering on the extracted feature points; determining at least two split sections in the picture, the at least two split sections respectively corresponding to the at least two clusters; parallel-encoding the at least two split sections; and generating a bitstream including information about the at least two split sections. A size and a shape of each of the at least two split sections may be individually determined.

公开(公告)号：US10212452B2

公开(公告)日：2019-02-19

申请号：US15586935

申请日：2017-05-04

Applicant: SAMSUNG ELECTRONICS CO., LTD.

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

IPC: H04N7/00 ,  H04N19/105 ,  H04N19/593 ,  H04N19/176 ,  H04N19/11 ,  H04N19/14 ,  H04N19/167 ,  H04N19/182 ,  H04N19/196 ,  H04N19/513 ,  H04N19/80 ,  H04N19/91 ,  H04N19/82

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：US10158890B2

公开(公告)日：2018-12-18

申请号：US15625709

申请日：2017-06-16

Applicant: SAMSUNG ELECTRONICS CO., LTD.

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

IPC: H04N19/91 ,  H04N19/30 ,  H04N19/70 ,  H04N19/176

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：US10110894B2

公开(公告)日：2018-10-23

申请号：US15869809

申请日：2018-01-12

Applicant: SAMSUNG ELECTRONICS CO., LTD.

Inventor： Il-koo Kim ,  Jung-hye Min ,  Hae-kyung Jung ,  Sun-il Lee ,  Min-su Cheon

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

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：US09654797B2

公开(公告)日：2017-05-16

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: 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: A method for decoding an image, the method including extracting an intra prediction mode of a current block, determining a number of neighboring pixels located on a left side of the current block or an upper side of the current block, and determining 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：US09407916B2

公开(公告)日：2016-08-02

申请号：US14643424

申请日：2015-03-10

Applicant: SAMSUNG ELECTRONICS CO., LTD.

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

IPC: H04N19/122 ,  H04N19/12 ,  H04N19/176 ,  H04N19/13 ,  H04N19/157 ,  H04N19/18 ,  H04N19/196 ,  H04N19/91 ,  H04N19/192 ,  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.

公开(公告)号：US09313507B2

公开(公告)日：2016-04-12

申请号：US14643511

申请日：2015-03-10

Applicant: SAMSUNG ELECTRONICS CO., LTD.

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

IPC: H04N19/12 ,  H04N19/157 ,  H04N19/18 ,  H04N19/13 ,  H04N19/176 ,  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.

公开(公告)号：US12155831B2

公开(公告)日：2024-11-26

申请号：US18354161

申请日：2023-07-18

Applicant: SAMSUNG ELECTRONICS CO., LTD.

Inventor： Sun-il Lee ,  Jung-hye Min ,  Na-rae Choi

IPC: H04N19/122 ,  H04N19/136 ,  H04N19/157 ,  H04N19/159 ,  H04N19/176

Abstract: Provided is a method of decoding motion information characterized in that information for determining motion-related information includes spatial information and time information, wherein the spatial information indicates a direction of spatial prediction candidates used for sub-units from among spatial prediction candidates located on a left side and an upper side of a current prediction unit, and the time information indicates a reference prediction unit of a previous picture used for prediction of the current prediction unit. Further, an encoding apparatus or a decoding apparatus capable of performing the above described encoding or decoding method may be provided.

公开(公告)号：US12047569B2

公开(公告)日：2024-07-23

申请号：US17967352

申请日：2022-10-17

Applicant: SAMSUNG ELECTRONICS CO., LTD.

Inventor： Woong-il Choi ,  Sun-il Lee ,  Ki-ho Choi

IPC: H04N19/105 ,  H04N19/117 ,  H04N19/159 ,  H04N19/176

CPC classification number: H04N19/117 ,  H04N19/105 ,  H04N19/159 ,  H04N19/176

Abstract: Provided is a video decoding method of applying a deblocking filter to neighboring pixels adjacent to a boundary of a current block, the video decoding method including selecting a deblocking filter to be applied to the neighboring pixels from among a plurality of deblocking filters according to pixel values of the neighboring pixels and a size of the current block, and applying the selected deblocking filter to the neighboring pixels, wherein the plurality of deblocking filters include three or more deblocking filters having different ranges of neighboring pixels to which deblocking filtering is applied.