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：US20220239942A1

公开(公告)日：2022-07-28

申请号：US17717806

申请日：2022-04-11

Applicant: SAMSUNG ELECTRONICS CO., LTD.

Inventor： Jin-young Lee ,  Seung-soo Jeong ,  Woong-il Choi ,  Anish Tamse ,  Yin-ji Piao

IPC: H04N19/52 ,  H04N19/44

Abstract: A method of decoding a motion vector includes: obtaining information indicating a motion vector resolution (MVR) of a current block from a bitstream, selecting one candidate block from among at least one candidate block, based on the MVR of the current block; and obtaining a motion vector of the current block corresponding to the MVR, by using a motion vector of the determined one candidate block as a prediction motion vector of the current block.

公开(公告)号：US11039135B2

公开(公告)日：2021-06-15

申请号：US16467411

申请日：2017-12-21

Applicant: SAMSUNG ELECTRONICS CO., LTD.

Inventor： Yin-ji Piao ,  Jie Chen

IPC: H04N19/119 ,  H04N19/105 ,  H04N19/11 ,  H04N19/13 ,  H04N19/159 ,  H04N19/176 ,  H04N19/61 ,  H04N19/80

Abstract: Provided is a video decoding method including obtaining split information indicating whether a current block is to be split; 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 based on the encoding order information, and decoding the at least two lower blocks according to the decoding order.

公开(公告)号：US10819978B2

公开(公告)日：2020-10-27

申请号：US16069421

申请日：2017-01-11

Applicant: SAMSUNG ELECTRONICS CO., LTD.

Inventor： Anish Tamse ,  Jin-young Lee ,  Ki-ho Choi ,  Yin-ji Piao

IPC: H04N19/117 ,  H04N19/70 ,  H04N19/82 ,  H04N19/176 ,  H04N19/139

Abstract: Provided are an image decoding method and apparatus and an image encoding method and apparatus, which filter a prediction block obtained via inter prediction.

公开(公告)号：US10805644B2

公开(公告)日：2020-10-13

申请号：US15743498

申请日：2016-07-25

Applicant: SAMSUNG ELECTRONICS CO., LTD.

Inventor： Yin-ji Piao ,  Ki-ho Choi

IPC: H04N19/91 ,  H04N19/119 ,  H04N19/44 ,  H04N19/105 ,  H04N19/157 ,  H04N19/18 ,  H04N19/13 ,  H04N19/70 ,  H04N19/86

Abstract: An entropy encoding device and method, and an entropy decoding device and method are disclosed. The entropy encoding method comprises the steps of: dividing a transform unit into a plurality of zones, and dividing each of the plurality of zones into sub zones; setting, as the first value, the value of the last zone flag, in which a sub zone including a valid transform coefficient among the plurality of zones is included, and setting, as the second value, the value of a zone flag of the remaining zones; setting, as the first value, the value of a sub zone flag of the divided sub zones having the valid transform coefficient, and setting, as the second value, a value of a sub zone flag of the divided sub zones which do not include the valid transform coefficient; determining a preset coefficient coding scheme among a plurality of coefficient coding schemes on the basis of the zone flag and the sub zone flag; encoding a coefficient included in a sub zone on the basis of the determined coefficient coding scheme; and transmitting data on the zone flag, the sub zone flag, and the encoded coefficient.

公开(公告)号：US11477451B2

公开(公告)日：2022-10-18

申请号：US17061017

申请日：2020-10-01

Applicant: SAMSUNG ELECTRONICS CO., LTD.

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

IPC: H04N19/119 ,  H04N19/129 ,  H04N19/136 ,  H04N19/176 ,  H04N19/96 ,  H04N19/39 ,  H04N19/42

Abstract: Provided is a video decoding method including obtaining split information indicating whether to split a current block; when the split information indicates that the current block is 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; 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：US20220272343A1

公开(公告)日：2022-08-25

申请号：US17740654

申请日：2022-05-10

Applicant: Samsung Electronics Co., Ltd.

Inventor： Yin-ji Piao

IPC: H04N19/129 ,  H04N19/176 ,  H04N19/70 ,  H04N19/11 ,  H04N19/96 ,  H04N19/119 ,  H04N19/593 ,  H04N19/44

Abstract: Provided is a video decoding method including obtaining encoding order information indicating whether an encoding order of a first block and a second block that are adjacent to each other is changed; determining the encoding order of the first block and the second block, based on the encoding order information; and decoding the first block and the second block, according to the determined encoding order.

公开(公告)号：US10798375B2

公开(公告)日：2020-10-06

申请号：US16345950

申请日：2017-10-31

Applicant: SAMSUNG ELECTRONICS CO., LTD.

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

IPC: H04N19/105 ,  H04N19/46 ,  H04N19/52 ,  H04N19/70 ,  H04N19/82 ,  H04N19/88 ,  H04N19/96 ,  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：US10687061B2

公开(公告)日：2020-06-16

申请号：US15771267

申请日：2016-11-23

Applicant: SAMSUNG ELECTRONICS CO., LTD.

Inventor： Yin-ji Piao

IPC: H04N19/129 ,  H04N19/593 ,  H04N19/119 ,  H04N19/96 ,  H04N19/11 ,  H04N19/70 ,  H04N19/44 ,  H04N19/176 ,  H04N19/52 ,  H04N19/46

Abstract: Provided is a video decoding method including obtaining encoding order information indicating whether an encoding order of a first block and a second block that are adjacent to each other is changed; determining the encoding order of the first block and the second block, based on the encoding order information; and decoding the first block and the second block, according to the determined encoding order.

公开(公告)号：US09521430B2

公开(公告)日：2016-12-13

申请号：US14678664

申请日：2015-04-03

Applicant: SAMSUNG ELECTRONICS CO., LTD.

Inventor： Yin-ji Piao ,  Jung-hye Min

IPC: H04N7/18 ,  H04N19/60 ,  H04N19/91 ,  H04N19/176 ,  H04N19/186 ,  H04N19/18

CPC classification number: H04N19/60 ,  H04N19/176 ,  H04N19/18 ,  H04N19/186 ,  H04N19/91

Abstract: Provided are a method and apparatus for determining a context model for entropy encoding and decoding of a transformation coefficient. According to the method and apparatus, a context set index ctxset is obtained based on color component information of a transformation unit, a location of a current subset, and whether there is a significant transformation coefficient having a value greater than a first critical value in a previous subset, and a context offset c1 is obtained based on a length of a previous transformation coefficient having consecutive 1s. Also, a context index ctxids for entropy encoding and decoding of a first critical value flag is determined based on the obtained context set index and the context offset.