公开(公告)号：US11956419B2

公开(公告)日：2024-04-09

申请号：US16939730

申请日：2020-07-27

Applicant: SAMSUNG ELECTRONICS CO., LTD.

Inventor： Ki-Ho Choi ,  Min-woo Park ,  Elena Alshina ,  Chan-yul Kim ,  In-kwon Choi

IPC: H04N19/105 ,  H04N19/119 ,  H04N19/122 ,  H04N19/129 ,  H04N19/13 ,  H04N19/176 ,  H04N19/44 ,  H04N19/46

CPC classification number: H04N19/105 ,  H04N19/122 ,  H04N19/129 ,  H04N19/13 ,  H04N19/176 ,  H04N19/44 ,  H04N19/119 ,  H04N19/46

Abstract: Provided is a method of decoding a video according to an embodiment, the method including determining at least one processing block for splitting the video; determining an order of determining at least one largest coding unit in the at least one processing block; determining at least one largest coding unit on the basis of the determined order; and decoding the determined at least one largest coding unit, wherein the order is one of a plurality of orders for determining a largest coding unit.

公开(公告)号：US11924425B2

公开(公告)日：2024-03-05

申请号：US17882236

申请日：2022-08-05

Applicant: SAMSUNG ELECTRONICS CO., LTD.

Inventor： Min-woo Park ,  Bo-ra Jin ,  Chan-yul Kim ,  Jung-hye Min

IPC: H04N19/11 ,  H04N19/119 ,  H04N19/14 ,  H04N19/167 ,  H04N19/172 ,  H04N19/176

CPC classification number: H04N19/119 ,  H04N19/14 ,  H04N19/167 ,  H04N19/172 ,  H04N19/176

Abstract: Provided are a method and apparatus for encoding or decoding a coding unit on an outline of a picture. An image decoding method and apparatus according to an embodiment determine whether a current coding unit extends across an outline of a picture, by comparing a location of the current coding unit in the picture to at least one of a width and a height of the picture, split the current coding unit in at least one direction into a plurality of coding units based on a shape of the current coding unit upon determining that the current coding unit extends across the outline of the picture, obtain block shape information and split type information of the current coding unit from a bitstream and split the current coding unit into a plurality of coding units based on the block shape information and the split type information upon determining that the current coding unit does not extend across the outline of the picture, and decode a coding unit that is no longer split among the plurality of coding units.

公开(公告)号：US11653006B2

公开(公告)日：2023-05-16

申请号：US17115402

申请日：2020-12-08

Applicant: SAMSUNG ELECTRONICS CO., LTD.

Inventor： Jung-hye Min ,  Min-woo Park ,  Bo-ra Jin ,  Chan-yul Kim

IPC: H04N19/00 ,  H04N19/176 ,  H04N19/119 ,  H04N19/122 ,  H04N19/44 ,  H04N19/463

CPC classification number: H04N19/176 ,  H04N19/119 ,  H04N19/122 ,  H04N19/44 ,  H04N19/463

Abstract: Provided is a method of decoding an image, the method including: determining at least one coding unit for splitting an image, based on block shape information of a current coding unit; determining at least one transformation unit, based on a shape of the current coding unit included in the at least one coding unit; and decoding the image by performing inverse transformation based on the at least one transformation unit, wherein the block shape information indicates whether the current coding unit is a square shape or a non-square shape. Also, provided is an encoding method corresponding to the decoding method. In addition, provided is an encoding apparatus or decoding apparatus capable of performing the encoding or decoding method.

公开(公告)号：US11405605B2

公开(公告)日：2022-08-02

申请号：US16940986

申请日：2020-07-28

Applicant: SAMSUNG ELECTRONICS CO., LTD.

Inventor： Yin-ji Piao ,  Jie Chen ,  Chan-yul Kim

IPC: H04N19/46 ,  H04N19/52 ,  H04N19/70 ,  H04N19/82 ,  H04N19/88 ,  H04N19/96 ,  H04N19/105 ,  H04N19/117 ,  H04N19/119 ,  H04N19/129 ,  H04N19/137 ,  H04N19/159 ,  H04N19/176 ,  H04N19/186 ,  H04N19/583 ,  H04N19/593

Abstract: Provided is a video decoding method including obtaining, from a bitstream, split information indicating whether a current block is to be split; when the split information does not indicate that the current block is to be split, decoding the current block according to encoding information about the current block; and when the split information indicates that the current block is to be split, splitting the current block into at least two lower blocks, obtaining encoding order information indicating an encoding order of the at least two lower blocks of the current block from the bitstream, determining a decoding order of the at least two lower blocks according to the encoding order information, and decoding the at least two lower blocks according to the decoding order.

公开(公告)号：US20220086465A1

公开(公告)日：2022-03-17

申请号：US17531386

申请日：2021-11-19

Applicant: SAMSUNG ELECTRONICS CO., LTD.

Inventor： Young-o PARK ,  II-koo Kim ,  Chan-yul Kim ,  Kwang-pyo Choi

IPC: H04N19/19 ,  H04N19/196 ,  H04N19/463 ,  H04N19/58

Abstract: Provided are an inter prediction method and a motion compensation method. The inter prediction method includes: performing inter prediction on a current image by using a long-term reference image stored in a decoded picture buffer; determining residual data and a motion vector of the current image generated via the inter prediction; and determining least significant bit (LSB) information as a long-term reference index indicating the long-term reference image by dividing picture order count (POC) information of the long-term reference image into most significant bit (MSB) information and the LSB information.

公开(公告)号：US11178408B2

公开(公告)日：2021-11-16

申请号：US17115423

申请日：2020-12-08

Applicant: SAMSUNG ELECTRONICS CO., LTD.

Inventor： Jung-hye Min ,  Min-woo Park ,  Bo-ra Jin ,  Chan-yul Kim

IPC: H04N19/176 ,  H04N19/119 ,  H04N19/122 ,  H04N19/44 ,  H04N19/463

Abstract: Provided is a method of decoding an image, the method including: determining at least one coding unit for splitting an image, based on block shape information of a current coding unit; determining at least one transformation unit, based on a shape of the current coding unit included in the at least one coding unit; and decoding the image by performing inverse transformation based on the at least one transformation unit, wherein the block shape information indicates whether the current coding unit is a square shape or a non-square shape. Also, provided is an encoding method corresponding to the decoding method. In addition, provided is an encoding apparatus or decoding apparatus capable of performing the encoding or decoding method.

公开(公告)号：US11019335B2

公开(公告)日：2021-05-25

申请号：US16092397

申请日：2016-10-10

Applicant: SAMSUNG ELECTRONICS CO., LTD.

Inventor： Min-woo Park ,  Bo-ra Jin ,  Chan-yul Kim ,  Jung-hye Min

IPC: H04N19/119 ,  H04N19/176

Abstract: Provided is an image decoding method of decoding an image, the image decoding method including: obtaining at least one of block shape information and split shape information about a first coding unit included in the image, from a bitstream; determining at least one second coding unit included in the first coding unit based on at least one of the block shape information and the split shape information; and decoding the image based on the at least one second coding unit, wherein the block shape information indicates a shape of the first coding unit and the split shape information indicates whether the first coding unit is split into the at least one second coding unit. Also, provided is an image encoding method corresponding to the image decoding method. Also, provided is an image encoding apparatus and image decoding apparatus for respectively performing the image encoding method and image decoding method.

公开(公告)号：US10785476B2

公开(公告)日：2020-09-22

申请号：US15573216

申请日：2016-05-10

Applicant: SAMSUNG ELECTRONICS CO., LTD.

Inventor： Ki-ho Choi ,  Min-woo Park ,  Elena Alshina ,  Chan-yul Kim ,  In-kwon Choi

IPC: H04N19/105 ,  H04N19/176 ,  H04N19/122 ,  H04N19/13 ,  H04N19/129 ,  H04N19/44

Abstract: Provided is a method of decoding a video according to an embodiment, the method including determining at least one processing block for splitting the video; determining an order of determining at least one largest coding unit in the at least one processing block; determining at least one largest coding unit on the basis of the determined order; and decoding the determined at least one largest coding unit, wherein the order is one of a plurality of orders for determining a largest coding unit.

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：US10575002B2

公开(公告)日：2020-02-25

申请号：US15917051

申请日：2018-03-09

Applicant: SAMSUNG ELECTRONICS CO., LTD.

Inventor： Young-o Park ,  Il-koo Kim ,  Chan-yul Kim ,  Kwang-pyo Choi

IPC: H04N19/19 ,  H04N19/196 ,  H04N19/463 ,  H04N19/58

Abstract: Provided are an inter prediction method and a motion compensation method. The inter prediction method includes: performing inter prediction on a current image by using a long-term reference image stored in a decoded picture buffer; determining residual data and a motion vector of the current image generated via the inter prediction; and determining least significant bit (LSB) information as a long-term reference index indicating the long-term reference image by dividing picture order count (POC) information of the long-term reference image into most significant bit (MSB) information and the LSB information.