公开(公告)号：US20140192874A1

公开(公告)日：2014-07-10

申请号：US14206081

申请日：2014-03-12

Applicant: SAMSUNG ELECTRONICS CO., LTD.

Inventor： Sun-il LEE ,  Min-su CHEON ,  Woo-jin HAN

IPC: H04N19/119 ,  H04N19/139 ,  H04N19/176 ,  H04N19/503

CPC classification number: H04N19/51 ,  H04N19/103 ,  H04N19/119 ,  H04N19/122 ,  H04N19/137 ,  H04N19/139 ,  H04N19/157 ,  H04N19/176 ,  H04N19/30 ,  H04N19/33 ,  H04N19/46 ,  H04N19/50 ,  H04N19/503 ,  H04N19/533 ,  H04N19/543 ,  H04N19/61 ,  H04N19/70 ,  H04N19/96

Abstract: An apparatus for decoding a video including a processor which determines coding units having a hierarchical structure being data units in which the encoded image is decoded, and sub-units for predicting the coding units, by using information that indicates division shapes of the coding units and information about prediction units of the coding units, parsed from a received bitstream of a encoded image, wherein the sub-units comprise partitions obtained by splitting at least one of a height and a width of the coding units according to at least one of a symmetric ratio and an asymmetric ratio, and a decoder which reconstructs the image by performing decoding including motion compensation using the partitions for the coding units, using the encoding information parsed from the received bitstream, wherein the coding units having the hierarchical structure comprise coding units of coded depths split hierarchically according to the coded depths and independently from neighboring coding units.

Abstract translation: 一种用于解码视频的装置，包括：处理器，其确定具有分层结构的编码单位，其中编码图像被解码的数据单元;以及用于预测编码单元的子单元，通过使用指示编码单元的分割形状的信息和 关于从编码图像的接收比特流解码的编码单元的预测单元的信息，其中所述子单元包括通过根据以下中的至少一个来拆分所述编码单元的高度和宽度中的至少一个而获得的分区 比率和非对称比率，以及解码器，其使用从所接收的比特流解析的编码信息，通过使用所述编码单元的分区执行包括运动补偿的解码来重建图像，其中具有分层结构的编码单元包括编码单元 深度根据编码深度分层划分，并且独立于相邻编码单元 。

公开(公告)号：US20130251035A1

公开(公告)日：2013-09-26

申请号：US13897560

申请日：2013-05-20

Applicant: SAMSUNG ELECTRONICS CO., LTD.

Inventor： Sun-il LEE ,  Min-su CHEON ,  Woo-jin HAN

IPC: H04N7/36

CPC classification number: H04N19/51 ,  H04N19/103 ,  H04N19/119 ,  H04N19/122 ,  H04N19/137 ,  H04N19/139 ,  H04N19/157 ,  H04N19/176 ,  H04N19/30 ,  H04N19/33 ,  H04N19/46 ,  H04N19/50 ,  H04N19/503 ,  H04N19/533 ,  H04N19/543 ,  H04N19/61 ,  H04N19/70 ,  H04N19/96

Abstract: An encoding method including: receiving and parsing a bitstream of an encoded image, determining coding units having a hierarchical structure being data units in which the encoded image is decoded, and sub-units for predicting the coding units, by using information that indicates division shapes of the coding units and information about prediction units of the coding units, parsed from the received bitstream, wherein the sub-units comprise partitions obtained by splitting at least one of a height and a width of the coding units according to at least one of a symmetric ratio and an asymmetric ratio, and reconstructing the image by performing decoding including motion compensation using the partitions for the coding units, using the encoding information parsed from received bitstream, wherein the coding units having the hierarchical structure comprise coding units of coded depths split hierarchically according to the coded depths and independently from neighboring coding units.

Abstract translation: 一种编码方法，包括：通过使用指示划分形状的信息，接收并解析编码图像的比特流，确定具有分层结构的编码单元，其中编码图像被解码的数据单元，以及用于预测编码单元的子单元 的编码单元的信息和关于从所接收的比特流解码的编码单元的预测单元的信息，其中所述子单元包括通过根据以下中的至少一个来分割所述编码单元的高度和宽度中的至少一个而获得的分区： 对称比和不对称比，并且使用从接收的比特流解析的编码信息，通过使用编码单元的分区执行包括运动补偿的解码来重构图像，其中具有分层结构的编码单元包括分层编码的编码深度的编码单元 根据编码深度，并且独立于相邻编码单元。

公开(公告)号：US20230039716A1

公开(公告)日：2023-02-09

申请号：US17967352

申请日：2022-10-17

Applicant: SAMSUNG ELECTRONICS CO., LTD.

Inventor： Woong-il CHOI ,  Sun-il LEE ,  Ki-ho CHOI

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

Abstract: Provided is a video decoding method of applying a deblocking filter to neighboring pixels adjacent to a boundary of a current block, the video decoding method including selecting a deblocking filter to be applied to the neighboring pixels from among a plurality of deblocking filters according to pixel values of the neighboring pixels and a size of the current block, and applying the selected deblocking filter to the neighboring pixels, wherein the plurality of deblocking filters include three or more deblocking filters having different ranges of neighboring pixels to which deblocking filtering is applied.

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：US20200351499A1

公开(公告)日：2020-11-05

申请号：US16923702

申请日：2020-07-08

Applicant: SAMSUNG ELECTRONICS CO., LTD.

Inventor： Sun-il LEE ,  Jung-hye Min ,  Na-rae Choi

IPC: H04N19/122 ,  H04N19/176 ,  H04N19/136 ,  H04N19/159 ,  H04N19/157

Abstract: Provided is a method of decoding motion information characterized in that information for determining motion-related information includes spatial information and time information, wherein the spatial information indicates a direction of spatial prediction candidates used for sub-units from among spatial prediction candidates located on a left side and an upper side of a current prediction unit, and the time information indicates a reference prediction unit of a previous picture used for prediction of the current prediction unit. Further, an encoding apparatus or a decoding apparatus capable of performing the above described encoding or decoding method may be provided.

公开(公告)号：US20190058893A1

公开(公告)日：2019-02-21

申请号：US16007375

申请日：2018-06-13

Applicant: SAMSUNG ELECTRONICS CO., LTD. ,  INDUSTRY-ACADEMIC COOPERATION FOUNDATION, YONSEI UNIVERSITY

Inventor： Sun-il LEE ,  Won Woo RO ,  Kyungah KIM ,  Minsik KIM ,  Chan-yul KIM

IPC: H04N19/436 ,  H04N19/44 ,  H04N19/172 ,  H04N19/46

CPC classification number: H04N19/436 ,  H04N19/119 ,  H04N19/14 ,  H04N19/172 ,  H04N19/176 ,  H04N19/44 ,  H04N19/46

Abstract: Provided is an image encoding method including extracting feature points from a picture; generating at least two clusters by performing feature point clustering on the extracted feature points; determining at least two split sections in the picture, the at least two split sections respectively corresponding to the at least two clusters; parallel-encoding the at least two split sections; and generating a bitstream including information about the at least two split sections. A size and a shape of each of the at least two split sections may be individually determined.

公开(公告)号：US20190052876A1

公开(公告)日：2019-02-14

申请号：US16077392

申请日：2017-02-13

Applicant: SAMSUNG ELECTRONICS CO., LTD.

Inventor： Sun-il LEE ,  Jung-hye MIN ,  Na-rae CHOI

IPC: H04N19/122 ,  H04N19/176 ,  H04N19/136 ,  H04N19/157

CPC classification number: H04N19/122 ,  H04N19/136 ,  H04N19/157 ,  H04N19/159 ,  H04N19/176

Abstract: Provided is a method of decoding motion information characterized in that information for determining motion-related information includes spatial information and time information, wherein the spatial information indicates a direction of spatial prediction candidates used for sub-units from among spatial prediction candidates located on a left side and an upper side of a current prediction unit, and the time information indicates a reference prediction unit of a previous picture used for prediction of the current prediction unit. Further, an encoding apparatus or a decoding apparatus capable of performing the above described encoding or decoding method may be provided.

公开(公告)号：US20180310015A1

公开(公告)日：2018-10-25

申请号：US16016031

申请日：2018-06-22

Applicant: SAMSUNG ELECTRONICS CO., LTD.

Inventor： Woo-jin HAN ,  Elena ALSHINA ,  Jung-hye MIN ,  Alexander ALSHIN ,  Il-koo KIM ,  Nikolay SHLYAKHOV ,  Tammy LEE ,  Sun-il LEE ,  Min-su CHEON ,  Jianle CHEN ,  Vadim SEREGIN ,  Yoon-mi HONG

IPC: H04N19/50 ,  H04N19/96 ,  H04N19/86

CPC classification number: H04N19/59 ,  H04N19/117 ,  H04N19/119 ,  H04N19/139 ,  H04N19/147 ,  H04N19/159 ,  H04N19/172 ,  H04N19/176 ,  H04N19/184 ,  H04N19/197 ,  H04N19/30 ,  H04N19/44 ,  H04N19/50 ,  H04N19/513 ,  H04N19/52 ,  H04N19/593 ,  H04N19/61 ,  H04N19/80 ,  H04N19/82 ,  H04N19/86 ,  H04N19/96

Abstract: A method of encoding a video is provided, the method includes: determining a filtering boundary on which deblocking filtering is to be performed based on at least one data unit from among a plurality of coding units that are hierarchically configured according to depths indicating a number of times at least one maximum coding unit is spatially spilt, and a plurality of prediction units and a plurality of transformation units respectively for prediction and transformation of the plurality of coding units, determining filtering strength at the filtering boundary based on a prediction mode of a coding unit to which pixels adjacent to the filtering belong from among the plurality of coding units, and transformation coefficient values of the pixels adjacent to the filtering boundary, and performing deblocking filtering on the filtering boundary based on the determined filtering strength.

公开(公告)号：US20180295365A1

公开(公告)日：2018-10-11

申请号：US16003946

申请日：2018-06-08

Applicant: SAMSUNG ELECTRONICS CO., LTD.

Inventor： Vadim SEREGIN ,  Jianle CHEN ,  Sun-il LEE ,  Tammy LEE

IPC: H04N19/13 ,  H04N19/593 ,  H04N19/463 ,  H04N19/46 ,  H04N19/186 ,  H04N19/154 ,  H04N19/119 ,  H04N19/11

Abstract: Methods and apparatuses for encoding and decoding an intra prediction mode of a prediction unit of a chrominance component based on an intra prediction mode of a prediction unit of a luminance component are provided. When an intra prediction mode of a prediction unit of a luminance component is the same as an intra prediction mode in an intra prediction mode candidate group of a prediction unit of a chrominance component, reconstructing the intra prediction mode candidate group of the prediction unit of the chrominance component by excluding or replacing an intra prediction mode of the prediction unit of the chrominance component which is same as an intra prediction mode of the prediction unit of the luminance component from the intra prediction mode candidate group, and encoding the intra prediction mode of the prediction unit of the chrominance component by using the reconstructed intra prediction mode candidate group.

公开(公告)号：US20170339426A1

公开(公告)日：2017-11-23

申请号：US15523180

申请日：2015-11-02

Applicant: SAMSUNG ELECTRONICS CO., LTD.

Inventor： Jin-young LEE ,  Seung-soo JEONG ,  Jung-hye MIN ,  Sun-il LEE

IPC: H04N19/52 ,  H04N19/176 ,  H04N19/182 ,  H04N19/51

CPC classification number: H04N19/52 ,  H04N19/176 ,  H04N19/182 ,  H04N19/51 ,  H04N19/70

Abstract: A motion vector encoding apparatus includes: a predictor configured to obtain motion vector predictor candidates of a plurality of predetermined motion vector resolutions by using a spatial candidate block and a temporal candidate block of a current block, and to determine motion vector predictor of the current block, a motion vector of the current block, and a motion vector resolution of the current block by using the motion vector predictor candidates; and an encoder configured to encode information representing the motion vector predictor of the current block, a residual motion vector between the motion vector of the current block and the motion vector predictor of the current block, and information representing the motion vector resolution of the current block, wherein the plurality of predetermined motion vector resolutions include a resolution of a pixel unit that is greater than a resolution of one-pel unit.