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公开(公告)号:US20130259127A1
公开(公告)日:2013-10-03
申请号:US13906088
申请日:2013-05-30
Applicant: SAMSUNG ELECTRONICS CO., LTD.
Inventor: Jianle CHEN , Min-su CHEON , Jae-chool LEE , Jung-hye MIN , Hae-kyung JUNG , Il-koo KIM , Sang-rae LEE , Kyo-hyuk LEE
IPC: H04N7/32
CPC classification number: H04N19/50 , H04N19/103 , H04N19/105 , H04N19/119 , H04N19/122 , H04N19/132 , H04N19/147 , H04N19/176 , H04N19/19 , H04N19/30 , H04N19/44 , H04N19/46 , H04N19/593 , H04N19/61 , H04N19/96 , Y02T10/84
Abstract: Disclosed is a method of encoding a video, the method including: splitting a current picture into at least one maximum coding unit; determining a coded depth to output a final encoding result according to at least one split region obtained by splitting a region of the maximum coding unit according to depths, by encoding the at least one split region, based on a depth that deepens in proportion to the number of times the region of the maximum coding unit is split; and outputting image data constituting the final encoding result according to the at least one split region, and encoding information about the coded depth and a prediction mode, according to the at least one maximum coding unit.
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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.
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公开(公告)号:US20240022724A1
公开(公告)日:2024-01-18
申请号:US18354161
申请日:2023-07-18
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
CPC classification number: 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.
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公开(公告)号:US20230064795A1
公开(公告)日:2023-03-02
申请号:US17971883
申请日:2022-10-24
Applicant: SAMSUNG ELECTRONICS CO., LTD.
Inventor: Jin-Young LEE , Seung-soo JEONG , Jung-hye MIN , Sun-il LEE
IPC: H04N19/52 , H04N19/182 , H04N19/51 , H04N19/176 , 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.
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公开(公告)号:US20220256152A1
公开(公告)日:2022-08-11
申请号:US17734685
申请日:2022-05-02
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.
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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.
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127.
公开(公告)号:US20200162727A1
公开(公告)日:2020-05-21
申请号:US16752727
申请日:2020-01-27
Applicant: SAMSUNG ELECTRONICS CO., LTD.
Inventor: Il-koo KIM , Jung-hye MIN , Hae-kyung JUNG , Sun-il LEE , Min-su CHEON
IPC: H04N19/103 , H04N19/597 , H04N19/196 , H04N19/132 , H04N19/96 , H04N19/61 , H04N19/122 , H04N19/46 , H04N19/172 , H04N19/119 , H04N19/70 , H04N19/176 , H04N19/105
Abstract: A method of encoding a video includes: splitting a picture into a maximum coding unit; for the maximum coding unit, determining coding units having a tree structure including coding units of coded depths and determining encoding modes for the coding units of the coded depths by performing encoding based on coding units according to depths, the coding units according to depths obtained by hierarchically splitting the maximum coding unit as a depth deepens; and outputting information about a maximum coding unit size and, for the maximum coding unit, information indicating an order of split information and skip mode information which is selectively determined for the coding units according to depths, information about the encoding modes for the coding units of the coded depths including the split information and the skip mode information which are arranged according to the order, and encoded video data.
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公开(公告)号:US20190260992A1
公开(公告)日:2019-08-22
申请号:US16340323
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: H04N19/119 , H04N19/136 , H04N19/186 , H04N19/176 , H04N19/96
Abstract: Provided are a method and device for encoding or decoding a luma block and a chroma block. An image decoding method and device according to an embodiment include an image decoding method including obtaining, from a bitstream, partitioning information for a luma block; partitioning a current luma block in at least one direction, thus partitioning the current luma block into at least two luma blocks, when the partitioning information indicates that the current luma block is to be partitioned to a next level, and obtaining, from the bitstream, merge information about a current chroma block corresponding to the current luma block; performing decoding on the current luma block when the partitioning information indicates that the current luma block is not to be partitioned; partitioning the current chroma block into at least two chroma blocks corresponding to the at least two luma blocks when the partitioning information indicates that the current luma block is to be partitioned to the next level; and performing decoding on the current chroma block when the partitioning information indicates that the current luma block is not to be partitioned or the merge information indicates that the partitioning of the current chroma block is to be discontinued.
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公开(公告)号:US20190246106A1
公开(公告)日:2019-08-08
申请号:US16339270
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 , H04N19/14 , H04N19/176 , H04N19/172
CPC classification number: H04N19/119 , H04N19/14 , H04N19/167 , H04N19/172 , H04N19/176
Abstract: Provided are a method and apparatus for encoding or decoding a coding unit on an outline of a picture. An image decoding method and apparatus according to an embodiment determine whether a current coding unit extends across an outline of a picture, by comparing a location of the current coding unit in the picture to at least one of a width and a height of the picture, split the current coding unit in at least one direction into a plurality of coding units based on a shape of the current coding unit upon determining that the current coding unit extends across the outline of the picture, obtain block shape information and split type information of the current coding unit from a bitstream and split the current coding unit into a plurality of coding units based on the block shape information and the split type information upon determining that the current coding unit does not extend across the outline of the picture, and decode a coding unit that is no longer split among the plurality of coding units.
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公开(公告)号:US20190045221A1
公开(公告)日:2019-02-07
申请号:US16158060
申请日:2018-10-11
Applicant: SAMSUNG ELECTRONICS CO., LTD.
Inventor: Jung-hye MIN , Hae-kyung JUNG , Il-koo KIM , Min-su CHEON
IPC: H04N19/593 , H04N19/105 , H04N19/61 , H04N19/96 , H04N19/122 , H04N19/139 , H04N19/146 , H04N19/172 , H04N19/176 , H04N19/184 , H04N19/196 , H04N19/44 , H04N19/46 , H04N19/50 , H04N19/587
Abstract: A video decoding method and apparatus and a video encoding method and apparatus based on a scanning order of hierarchical data units are provided. The decoding method includes: receiving and parsing a bitstream of an encoded video; extracting from the bitstream information about a size of a maximum coding unit for decoding a picture of the encoded video, and encoding information about a coded depth and an encoding mode for coding units of the picture, wherein the size of the maximum coding unit is a maximum size of a coding unit which is a data unit for decoding the picture; and determining a hierarchical structure of the maximum coding unit and the coding units into which the picture is divided according to depths, and decoding the picture based on the coding units, by using the information about the size of the maximum coding unit and the encoding information about the coded depth and the encoded mode.
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