公开(公告)号：US20250039374A1

公开(公告)日：2025-01-30

申请号：US18913666

申请日：2024-10-11

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：US20240364872A1

公开(公告)日：2024-10-31

申请号：US18766110

申请日：2024-07-08

Applicant: SAMSUNG ELECTRONICS CO., LTD.

Inventor： Bo-ra JIN ,  Min-woo PARK ,  Chan-yul KIM ,  Jung-hye MIN

IPC: H04N19/105 ,  H04N19/119 ,  H04N19/129 ,  H04N19/137 ,  H04N19/176 ,  H04N19/44 ,  H04N19/51 ,  H04N19/52

CPC classification number: H04N19/105 ,  H04N19/119 ,  H04N19/129 ,  H04N19/137 ,  H04N19/176 ,  H04N19/44 ,  H04N19/51 ,  H04N19/52

Abstract: Provided are a method and device for encoding or decoding an image by using a block map. In the method and device for decoding an image according to an embodiment set forth herein, a bitstream of an encoded image is received, one or more blocks in a picture are determined using split information obtained from the bitstream, a block map indicating whether or not a previous block among the one or more blocks has been decoded is determined, a neighboring region which is available to be referred to for a current block to be decoded in a certain scan order among the one or more blocks is determined, and the current block is decoded based on the neighboring region which is available to be referred to.

公开(公告)号：US20220103856A1

公开(公告)日：2022-03-31

申请号：US17549046

申请日：2021-12-13

Applicant: SAMSUNG ELECTRONICS CO., LTD.

Inventor： Seung-soo JEONG ,  Min-woo PARK

IPC: H04N19/513 ,  H04N19/13 ,  H04N19/139 ,  H04N19/176 ,  H04N19/184 ,  H04N19/70

Abstract: A method of decoding motion information according to an embodiment includes: obtaining information indicating a disparity distance for determining a prediction motion vector of a current block; scaling the disparity distance corresponding to the obtained information, based on a comparison result between a base pixel unit and a smallest pixel unit indicatable by a motion vector of the current block; determining a prediction motion vector candidate changed by the scaled disparity distance from a base motion vector of the current block from among one or more prediction motion vector candidates as the prediction motion vector of the current block; and determining the motion vector of the current block by using the prediction motion vector.

公开(公告)号：US20210344913A1

公开(公告)日：2021-11-04

申请号：US17375632

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：US20210144371A1

公开(公告)日：2021-05-13

申请号：US16622043

申请日：2018-03-30

Applicant: SAMSUNG ELECTRONICS CO., LTD.

Inventor： Min-soo PARK ,  Min-woo PARK

IPC: H04N19/119 ,  H04N19/13 ,  H04N19/14

Abstract: Provided are image decoding/encoding methods and apparatuses for increasing coding efficiency and reducing complexity while using a flexible tree split. The image decoding method includes: obtaining, from a bitstream, a bin string corresponding to a split shape mode of a coding unit; determining a split rule of the coding unit; and splitting the coding unit into a plurality of coding units, based on at least one of the split rule and the bin string corresponding to the split shape mode, wherein the determining of the split rule includes: determining an allowable first range of a size of the coding unit according to a ratio of a width and a height of the coding unit; and determining an allowable second range of the size of the coding unit according to the split shape mode of the coding unit.

公开(公告)号：US20200329241A1

公开(公告)日：2020-10-15

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：US20200288139A1

公开(公告)日：2020-09-10

申请号：US16762415

申请日：2018-03-30

Applicant: SAMSUNG ELECTRONICS CO., LTD.

Inventor： Jin-young LEE ,  Min-woo PARK ,  Anish TAMSE

IPC: H04N19/137 ,  H04N19/117 ,  H04N19/159 ,  H04N19/176

Abstract: Provided is an image decoding method including determining at least one first processing mode for decoding of a current block, based on a motion vector resolution (MVR) of the current block, the at least one first processing mode being from among a plurality of processing modes included in at least one of a prediction process, a transform process, and a filtering process; and decoding the current block, according to the at least one first processing mode.

公开(公告)号：US20200275099A1

公开(公告)日：2020-08-27

申请号：US16648463

申请日：2018-03-30

Applicant: SAMSUNG ELECTRONICS CO., LTD.

Inventor： Min-soo PARK ,  Min-woo PARK

IPC: H04N19/119 ,  H04N19/157 ,  H04N19/176

Abstract: An image decoding method includes determining allowable split shape modes from among a plurality of split shape modes, based on at least one of a size and a shape of a current block and an allowable size of a block, obtaining information about a split shape mode of the current block from a bitstream, generating a bin string for the split shape mode of the current block including at least one bin by binary arithmetic decoding the information about the split shape mode of the current block, obtaining the split shape mode of the current block by performing inverse-binarization on the bin string for the split shape mode of the current block, based on the allowable split shape modes, and determining whether the current block is to be split, based on the obtained split shape mode of the current block. The information about the split shape mode may include information about whether the block is split, a split direction of the block, and a split type of the block, and the allowable size of the block may be determined based on a minimum size and a maximum size of the block allowable for decoding.

公开(公告)号：US20200252614A1

公开(公告)日：2020-08-06

申请号：US16651809

申请日：2018-09-27

Applicant: SAMSUNG ELECTRONICS CO., LTD.

Inventor： Na-rae CHOI ,  Bo-ra JIN ,  Min-woo PARK

IPC: H04N19/132 ,  H04N19/105 ,  H04N19/159 ,  H04N19/117 ,  H04N19/176

Abstract: Provided is an image decoding method including: generating an intra prediction value of a current sample based on a position of the current sample in a current block and an intra prediction mode of the current block; determining, based on the position of the current sample in the current block, a sample value of at least one filtering reference sample to be filtered and a first weight with respect to the filtering reference sample and a second weight with respect to the intra prediction value of the current sample; generating a filtered prediction sample value of the current sample based on the determined sample value of the filtering reference sample to be filtered, the intra prediction value of the current sample, the first weight with respect to the filtering reference sample, and the second weight with respect to the intra prediction value of the current sample; and generating a prediction block of the current block, the prediction block including the filtered prediction sample value of the current sample.

公开(公告)号：US20200221081A1

公开(公告)日：2020-07-09

申请号：US16627551

申请日：2018-07-06

Applicant: SAMSUNG ELECTRONICS CO., LTD.

Inventor： Min-woo PARK ,  Min-soo PARK

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