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：US20210344911A1

公开(公告)日：2021-11-04

申请号：US17375535

申请日：2021-07-14

Applicant: SAMSUNG ELECTRONICS CO., LTD.

Inventor： Min-woo Park ,  Min-soo Park

IPC: H04N19/107 ,  H04N19/119 ,  H04N19/159 ,  H04N19/176

Abstract: An image decoding method includes: splitting a first block included in an image on the basis of at least one of a split type and a split direction of the first block to determine at least one second block from the first block; determining one of a prediction mode of the at least one second block and whether to split the at least one second block on the basis of at least one of a size and a shape of the determined at least one second block; obtaining a prediction block of a block included in the at least one second block on the basis of one of the determined prediction mode and whether to split the at least one second block; and restoring the block included in the at least one second block on the basis of the prediction block of the block included in the at least one second block. Here, the split type represents one of binary-split, tri-split, and quad-split.

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：US10992933B2

公开(公告)日：2021-04-27

申请号：US15998649

申请日：2017-02-16

Applicant: SAMSUNG ELECTRONICS CO., LTD.

Inventor： In-kwon Choi ,  Min-woo Park ,  Bo-ra Jin

IPC: H04N19/11 ,  H04N19/59 ,  H04N19/61 ,  H04N19/167 ,  H04N19/176 ,  H04N19/593 ,  H04N19/105

Abstract: Provided is a video decoding method including obtaining a bitstream including residual data about a residual block of a current block, determining a plurality of prediction directions with respect to the current block, determining a plurality of reference samples included in a neighboring region of the current block in a current image, by using the plurality of prediction directions that are determined, generating a prediction block of the current block by using the plurality of reference samples, obtaining a residual block of the current block based on the residual data about the residual block of the current block, and reconstructing the current block by using the prediction block of the current block and the residual block of the current block.

公开(公告)号：US10820007B2

公开(公告)日：2020-10-27

申请号：US15545432

申请日：2016-01-20

Applicant: SAMSUNG ELECTRONICS CO., LTD.

Inventor： Min-woo Park ,  Jin-young Lee

IPC: H04N19/51 ,  H04N19/159 ,  H04N19/176 ,  H04N19/139 ,  H04N19/187 ,  H04N19/30 ,  H04N19/597 ,  H04N19/52 ,  H04N19/50

Abstract: Provided is an inter-layer video decoding method including obtaining a disparity vector of a current block included in a first layer image; determining a block of a second layer image corresponding to the current block by using the obtained disparity vector; determining a reference block including a sample that contacts a boundary of the block; obtaining a motion vector of the reference block; and determining a motion vector of the current block included in the first layer image by using the obtained motion vector.

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：US10547865B2

公开(公告)日：2020-01-28

申请号：US15319487

申请日：2015-06-28

Applicant: SAMSUNG ELECTRONICS CO., LTD.

Inventor： Min-woo Park ,  Jin-young Lee

IPC: H04N19/52 ,  H04N19/176 ,  H04N19/55 ,  H04N19/563 ,  H04N19/625

Abstract: An inter-layer video decoding method includes decoding a first layer image and determining a reference location of the first layer image corresponding to a location of a second layer current block. The method also includes determining neighboring sample values by using sample values of a boundary of the first layer image when neighboring sample locations of the reference location are outside the boundary of the first layer image, and determining an illumination compensation parameter of the second layer current block based on the neighboring sample values.

公开(公告)号：US10368098B2

公开(公告)日：2019-07-30

申请号：US15320538

申请日：2015-06-22

Applicant: SAMSUNG ELECTRONICS CO., LTD.

Inventor： Jin-young Lee ,  Min-woo Park ,  Yong-jin Cho

IPC: H04N19/597 ,  H04N19/176 ,  H04N19/70 ,  H04N19/187 ,  H04N19/503 ,  H04N19/107

Abstract: Provided is an interlayer video decoding method according to an embodiment including obtaining prediction-mode information of a current block of a depth image from a bitstream, generating a prediction block of the current block on the basis of the prediction-mode information, and decoding the depth image by using the prediction block. The obtaining of the prediction-mode information of the current block from the bitstream includes receiving a first flag, a second flag, and a third flag, wherein the first flag indicates whether prediction of the current block by dividing the current block into two or more partitions according to a pattern is permitted, the second flag indicates whether the depth image permits blocks of the depth image to be predicted by dividing the blocks into two or more partitions by using a wedgelet, and the third flag indicates whether the depth image permits the blocks of the depth image to be predicted by dividing the blocks into two or more partitions by using a contour; and receiving a fourth flag from the bitstream when predetermined conditions determined on the basis of the first to third flags are satisfied, wherein the fourth flag represents information regarding a type of a method of dividing the current block into two or more partitions according to the pattern.

公开(公告)号：US10321145B2

公开(公告)日：2019-06-11

申请号：US15517759

申请日：2015-10-07

Applicant: SAMSUNG ELECTRONICS CO., LTD.

Inventor： Jin-young Lee ,  Min-woo Park

IPC: H04N19/31 ,  H04N19/463 ,  H04N19/597 ,  H04N19/513 ,  H04N19/52 ,  H04N19/70

Abstract: According to an embodiment, an image decoding method includes: determining at least one prediction unit included in a current coding unit that is one of at least one coding unit splitting the image; generating a merge candidate list related to a current prediction unit included in the at least one prediction unit; determining a prediction mode to be performed in the prediction unit based on the merge candidate list; and performing prediction according to the determined prediction mode, wherein the generating of the merge candidate list further comprises determining whether to add a view synthesis prediction merging candidate to the merge candidate list based on whether a neighboring prediction unit adjacent to the current prediction unit has been encoded using the view synthesis prediction merging candidate.

公开(公告)号：US10321142B2

公开(公告)日：2019-06-11

申请号：US14905364

申请日：2014-07-15

Applicant: SAMSUNG ELECTRONICS CO., LTD.

Inventor： Min-woo Park ,  Jin-young Lee ,  Yong-jin Cho ,  Byeong-doo Choi

IPC: H04N19/33 ,  H04N19/186 ,  H04N19/117 ,  H04N19/103 ,  H04N19/136 ,  H04N19/176 ,  H04N19/187 ,  H04N19/44 ,  H04N19/82 ,  H04N19/59

Abstract: An interlayer video decoding method includes: selecting a luminance compensation model to be applied to a first layer reference block and determining a luminance compensation parameter for the selected luminance compensation model; and compensating for luminance of the first layer reference block by using the luminance compensation parameter and reconstructing a second layer image comprising a second layer current block. The determining of the luminance compensation parameter comprises determining the luminance compensation parameter based on any one of a color component of the second layer current block, information about a type of a picture comprising the second layer current block, and a prediction mode of the second layer current block.