公开(公告)号：US20150358629A1

公开(公告)日：2015-12-10

申请号：US14760265

申请日：2014-01-10

Applicant: SAMSUNG ELECTRONICS CO., LTD.

Inventor： Byeong-doo CHOI ,  Min-woo PARK ,  Jae-won YOON ,  Chan-yul KIM ,  Jeong-hoon PARK

IPC: H04N19/187 ,  H04N19/136 ,  H04N19/107 ,  H04N19/129

CPC classification number: H04N19/187 ,  H04N19/107 ,  H04N19/129 ,  H04N19/136 ,  H04N19/30 ,  H04N19/44 ,  H04N19/70

Abstract: Provided are a method and apparatus for decoding a multi-layer video, and a method and apparatus for encoding a multi-layer video. The method includes obtaining a NAL unit including encoding information and type information of a first layer picture and identifying a type of the first layer picture, obtaining a NAL unit including encoding information and type information of a second layer picture and identifying a type of the second layer picture that is set to be the same as the type of the first layer picture having a same POC as the second layer picture, and decoding the first layer picture and the second layer picture based on the identified first layer picture type and the identified second layer picture type.

Abstract translation: 提供了一种用于对多层视频进行解码的方法和装置，以及用于对多层视频进行编码的方法和装置。 该方法包括获得包括编码信息和第一层图像的类型信息并识别第一层图像的类型的NAL单元，获得包括第二层图像的编码信息和类型信息的NAL单元，并且识别第二层图像的类型 层图像被设置为与具有与第二层图像相同的POC的第一层图像的类型相同，并且基于所识别的第一层图像类型和所识别的第二层图像对第一层图像和第二层图像进行解码 层图片类型。

公开(公告)号：US20150208089A1

公开(公告)日：2015-07-23

申请号：US14627976

申请日：2015-02-20

Applicant: SAMSUNG ELECTRONICS CO., LTD.

Inventor： Chan-yul KIM ,  Tammy LEE ,  Elena ALSHINA

IPC: H04N19/577 ,  H04N19/174 ,  H04N19/18 ,  H04N19/122 ,  H04N19/159

CPC classification number: H04N19/577 ,  H04N19/103 ,  H04N19/105 ,  H04N19/122 ,  H04N19/157 ,  H04N19/159 ,  H04N19/174 ,  H04N19/176 ,  H04N19/18 ,  H04N19/521 ,  H04N19/57 ,  H04N19/573 ,  H04N19/58 ,  H04N19/70 ,  H04N19/96

Abstract: A motion prediction method includes determining, when a current slice is a B slice, a reference picture list to be used with respect to a current prediction unit from among prediction units included in a coding unit, and outputting, when a size of the current prediction unit is 4×8 or 8×4, inter-prediction index information of the current prediction unit indicating the reference picture list from among an L0 list and an L1 list, and when the size of the current prediction unit is not 4×8 or 8×4, the inter-prediction index information of the current prediction unit indicating the reference picture list from among the L0 list, the L1 list, and a bi-prediction list.

公开(公告)号：US20150163510A1

公开(公告)日：2015-06-11

申请号：US14627860

申请日：2015-02-20

Applicant: SAMSUNG ELECTRONICS CO., LTD.

Inventor： Chan-yul KIM ,  Tammy LEE ,  Elena ALSHINA

IPC: H04N19/577 ,  H04N19/573 ,  H04N19/513

CPC classification number: H04N19/577 ,  H04N19/103 ,  H04N19/105 ,  H04N19/122 ,  H04N19/157 ,  H04N19/159 ,  H04N19/174 ,  H04N19/176 ,  H04N19/18 ,  H04N19/521 ,  H04N19/57 ,  H04N19/573 ,  H04N19/58 ,  H04N19/70 ,  H04N19/96

Abstract: A motion prediction method includes determining, when a current slice is a B slice, a reference picture list to be used with respect to a current prediction unit from among prediction units included in a coding unit, and outputting, when a size of the current prediction unit is 4×8 or 8×4, inter-prediction index information of the current prediction unit indicating the reference picture list from among an L0 list and an L1 list, and when the size of the current prediction unit is not 4×8 or 8×4, the inter-prediction index information of the current prediction unit indicating the reference picture list from among the L0 list, the L1 list, and a bi-prediction list.

公开(公告)号：US20140286411A1

公开(公告)日：2014-09-25

申请号：US14219397

申请日：2014-03-19

Applicant: SAMSUNG ELECTRONICS CO., LTD.

Inventor： Seung-soo JEONG ,  Chan-yul KIM ,  Tammy LEE ,  Young-ho MOON ,  Jeong-hoon PARK

IPC: H04N19/30 ,  H04N19/593

CPC classification number: H04N19/593 ,  H04N19/33

Abstract: Provided are scalable video encoding and decoding methods. The scalable video encoding method includes: obtaining a peripheral pixel of an enhancement block based on a peripheral pixel of a base layer block corresponding to the enhancement layer block to be prediction-encoded, and performing intra prediction on the enhancement layer block by using at least one of a peripheral pixel of the enhancement layer block that is encoded before the enhancement layer block and then restored and a peripheral pixel of the enhancement layer block that is obtained based on a peripheral pixel of the base layer block.

Abstract translation: 提供了可扩展的视频编码和解码方法。 可扩展视频编码方法包括：基于与要进行预测编码的增强层块相对应的基本层块的外围像素获得增强块的外围像素，并且至少使用增强层块进行帧内预测 所述增强层块的周边像素之一，其在所述增强层块之前被编码，然后被恢复，以及基于所述基本层块的外围像素获得的所述增强层块的外围像素。

公开(公告)号：US20240364869A1

公开(公告)日：2024-10-31

申请号：US18766016

申请日：2024-07-08

Applicant: SAMSUNG ELECTRONICS CO., LTD.

Inventor： Bo-ra JIN ,  Win-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：US20220210406A1

公开(公告)日：2022-06-30

申请号：US17696519

申请日：2022-03-16

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：US20210329234A1

公开(公告)日：2021-10-21

申请号：US17328323

申请日：2021-05-24

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：US20210211699A1

公开(公告)日：2021-07-08

申请号：US15998659

申请日：2017-02-13

Applicant: SAMSUNG ELECTRONICS CO., LTD.

Inventor： Min-woo PARK ,  Bo-ra JIN ,  In-kwon CHOI ,  Chan-yul KIM ,  Na-rae CHOI ,  Jung-hye MIN ,  Sun-il LEE

IPC: H04N19/44 ,  H04N19/119 ,  H04N19/105 ,  H04N19/159 ,  H04N19/176

Abstract: Provided are a method and apparatus for adaptively partitioning a block. An image decoding method according to an embodiment includes determining reference pixels used to partition a coding unit, from among pixels adjacent to the coding unit, determining a partition location indicating a location of a boundary for partitioning the coding unit, based on at least one of a location having a highest pixel gradient and a location of a detected edge from among the reference pixels, obtaining a plurality of prediction units from the coding unit by partitioning the coding unit in a predetermined direction from the partition location, and predicting the plurality of prediction units.

公开(公告)号：US20210021845A1

公开(公告)日：2021-01-21

申请号：US17061149

申请日：2020-10-01

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.

公开(公告)号：US20190246101A1

公开(公告)日：2019-08-08

申请号：US16340877

申请日：2016-10-10

Applicant: SAMSUNG ELECTRONICS CO., LTD.

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

IPC: H04N19/105 ,  H04N19/119 ,  H04N19/137 ,  H04N19/176

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

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.