公开(公告)号：US20230308638A1

公开(公告)日：2023-09-28

申请号：US18203777

申请日：2023-05-31

Applicant: SAMSUNG ELECTRONICS CO., LTD.

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

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

CPC classification number: H04N19/105 ,  H04N19/119 ,  H04N19/137 ,  H04N19/159 ,  H04N19/176 ,  H04N19/186 ,  H04N19/46 ,  H04N19/88 ,  H04N19/52 ,  H04N19/593 ,  H04N19/96 ,  H04N19/129 ,  H04N19/70

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：US11695918B2

公开(公告)日：2023-07-04

申请号：US16940954

申请日：2020-07-28

Applicant: SAMSUNG ELECTRONICS CO., LTD.

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

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

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

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：US11438586B2

公开(公告)日：2022-09-06

申请号：US16339270

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 ,  H04N19/167 ,  H04N19/14 ,  H04N19/172

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：US20210092410A1

公开(公告)日：2021-03-25

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：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：US10368089B2

公开(公告)日：2019-07-30

申请号：US14763077

申请日：2014-01-23

Applicant: SAMSUNG ELECTRONICS CO., LTD.

Inventor： Byeong-doo Choi ,  Chan-yul Kim ,  Myoung-jin Eom

IPC: H04N19/587 ,  H04N19/44 ,  H04N19/70 ,  H04N19/30 ,  H04N19/597 ,  H04N19/105 ,  H04N19/46 ,  H04N19/187

Abstract: Disclosed are a video encoding method and a video decoding method. A multilayer video encoding method comprises the steps of: performing an interlayer prediction for a picture of each layer constituting a multilayer video; determining a reference layer to which the picture of each layer refers, on the basis of the result of the interlayer prediction; and adding reference layer information of each layer to a parameter set including the information which is commonly applied to the layers included in the multilayer video.

公开(公告)号：US10306230B2

公开(公告)日：2019-05-28

申请号：US15902807

申请日：2018-02-22

Applicant: SAMSUNG ELECTRONICS CO., LTD.

Inventor： Chan-yul Kim ,  Jae-hyun Kim ,  Jeong-hoon Park

IPC: H04N19/13 ,  H04N19/70 ,  H04N19/196 ,  H04N19/122 ,  H04N19/463 ,  H04N19/18 ,  H04N19/91 ,  H04N19/44 ,  H04N19/60 ,  H03M7/40 ,  H04N19/136 ,  H04N19/115 ,  H04N19/139 ,  H04N19/96 ,  H04N19/157 ,  H04N19/184

Abstract: An video decoding apparatus including a parser which obtains bit strings corresponding to current transformation coefficient level information by arithmetic decoding a bitstream based on a context model; a parameter determiner which determines a current binarization parameter by updating or maintaining a previous binarization parameter based on a comparison of a threshold and a size of a previous transformation coefficient; a syntax element restorer which obtains the current transformation coefficient level information by performing de-binarization of the bit strings using the determined current binarization parameter and generates a size of a current transformation coefficient using the current transformation coefficient level information, wherein the current binarization parameter has a value equal to or smaller than a predetermined value.

公开(公告)号：US10230967B2

公开(公告)日：2019-03-12

申请号：US15096464

申请日：2016-04-12

Applicant: SAMSUNG ELECTRONICS CO., LTD.

Inventor： Yong-jin Cho ,  Byeong-doo Choi ,  Chan-yul Kim ,  Min-woo Park ,  Ho-cheon Wey ,  Jin-young Lee

IPC: H04N19/30 ,  H04N19/33 ,  H04N21/2343 ,  H04N19/70 ,  H04N19/44 ,  H04N19/52 ,  H04N19/593 ,  H04N19/597 ,  H04N19/96

Abstract: A multi-layer video encoding/decoding method and a multi-layer video encoding/decoding apparatus are provided. In the multi-layer video encoding method, image data is encoded to a multi-layer encoded image, at least one of encoded layers of a target output layer set is determined as an output layer, an index of at least three output layer subsets including at least one output layer from among the encoded layers of the target output layer set are generated based on the determined output layer, and a bitstream including the generated index and the multi-layer encoded image is generated.

公开(公告)号：US10230966B2

公开(公告)日：2019-03-12

申请号：US15096443

申请日：2016-04-12

Applicant: SAMSUNG ELECTRONICS CO., LTD.

Inventor： Byeong-doo Choi ,  Min-woo Park ,  Jin-young Lee ,  Yong-jin Cho ,  Chan-yul Kim ,  Ho-cheon Wey

IPC: H04N19/105 ,  H04N19/33 ,  H04N19/70 ,  H04N19/46 ,  H04N19/30 ,  H04N19/44 ,  H04N19/52 ,  H04N19/593 ,  H04N19/597 ,  H04N19/159 ,  H04N19/172

Abstract: Multilayer video encoding/decoding methods and apparatuses are provided. A multilayer video decoding method includes: obtaining inter-layer prediction allowance information from a bitstream; obtaining single layer use information from the bitstream when the inter-layer prediction allowance information indicates that inter-layer prediction is usable; determining at most only one layer among at least one layer, to which a current picture refers, as a reference layer when the single layer use information indicates that at most one picture is used for inter-layer prediction; and performing inter-layer prediction on the current picture by using a picture belonging to the reference layer.

公开(公告)号：US09936197B2

公开(公告)日：2018-04-03

申请号：US14354721

申请日：2012-10-29

Applicant: SAMSUNG ELECTRONICS CO., LTD.

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

IPC: H04N7/12 ,  H04N19/64 ,  H04N19/58 ,  H04N19/196 ,  H04N19/463

CPC classification number: 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.