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81.
公开(公告)号:US20240323430A1
公开(公告)日:2024-09-26
申请号:US18732884
申请日:2024-06-04
Applicant: SAMSUNG ELECTRONICS CO., LTD.
Inventor: Seung-soo Jeong , Min-woo Park , Jin-Young Lee , Sun-il Lee
IPC: H04N19/52 , H04N19/176
CPC classification number: H04N19/52 , H04N19/176
Abstract: Provided is a video decoding method performed by a video decoding apparatus, the video decoding method including: determining prediction mode information of a current block and an index indicating a prediction candidate, from a bitstream; determining a prediction candidate list according to the prediction mode information; when the prediction mode information of the current block indicates a pre-set prediction mode, determining a motion vector indicated by the index indicating the prediction candidate from the prediction candidate list, and determining a prediction motion vector of the current block based on at least one of pieces of motion prediction information related to the motion vector; and determining a motion vector of the current block based on the prediction motion vector, wherein the pre-set prediction mode is a prediction mode different from a skip mode and a merge mode.
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82.
公开(公告)号:US12052435B2
公开(公告)日:2024-07-30
申请号:US17959855
申请日:2022-10-04
Applicant: SAMSUNG ELECTRONICS CO., LTD.
Inventor: Seung-soo Jeong , Min-woo Park , Jin-Young Lee , Sun-il Lee
IPC: H04N19/52 , H04N19/176
CPC classification number: H04N19/52 , H04N19/176
Abstract: Provided is a video decoding method performed by a video decoding apparatus, the video decoding method including: determining prediction mode information of a current block and an index indicating a prediction candidate, from a bitstream; determining a prediction candidate list according to the prediction mode information; when the prediction mode information of the current block indicates a pre-set prediction mode, determining a motion vector indicated by the index indicating the prediction candidate from the prediction candidate list, and determining a prediction motion vector of the current block based on at least one of pieces of motion prediction information related to the motion vector; and determining a motion vector of the current block based on the prediction motion vector, wherein the pre-set prediction mode is a prediction mode different from a skip mode and a merge mode.
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83.
公开(公告)号:US11973934B2
公开(公告)日:2024-04-30
申请号:US17696514
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 , H04N19/119 , H04N19/122 , H04N19/129 , H04N19/13 , H04N19/176 , H04N19/44 , H04N19/46
CPC classification number: H04N19/105 , H04N19/122 , H04N19/129 , H04N19/13 , H04N19/176 , H04N19/44 , H04N19/119 , H04N19/46
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.
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84.
公开(公告)号:US11962752B2
公开(公告)日:2024-04-16
申请号:US16939642
申请日:2020-07-27
Applicant: SAMSUNG ELECTRONICS CO., LTD.
Inventor: Ki-ho Choi , Min-woo Park , Elena Alshina , Chan-yul Kim , In-kwon Choi
IPC: H04N19/105 , H04N19/119 , H04N19/122 , H04N19/129 , H04N19/13 , H04N19/176 , H04N19/44 , H04N19/46
CPC classification number: H04N19/105 , H04N19/122 , H04N19/129 , H04N19/13 , H04N19/176 , H04N19/44 , H04N19/119 , H04N19/46
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.
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公开(公告)号:US11700379B2
公开(公告)日:2023-07-11
申请号:US17522209
申请日:2021-11-09
Applicant: SAMSUNG ELECTRONICS CO., LTD.
Inventor: Jin-young Lee , Min-woo Park , Anish Tamse
IPC: H04N19/00 , H04N19/137 , H04N19/117 , H04N19/159 , H04N19/176
CPC classification number: H04N19/137 , H04N19/117 , H04N19/159 , H04N19/176
Abstract: An image decoding method includes obtaining, from a bitstream, first information indicating a motion vector resolution of a current unit among plural motion vector resolutions including a first motion vector resolution and a second motion vector resolution, and obtaining, from the bitstream, second information indicating whether a merge mode is applied to the current unit or not when the first information indicates the first motion vector resolution. The current unit is decoded based on the merge mode when the second information indicates that the merge mode is applied to the current unit. When the first information indicates the second motion vector resolution, the second information is not obtained from the bitstream.
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公开(公告)号:US11695930B2
公开(公告)日:2023-07-04
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: H04N7/12 , H04N19/132 , H04N19/105 , H04N19/117 , H04N19/159 , H04N19/176 , H04N19/189 , H04N19/635
CPC classification number: H04N19/132 , H04N19/105 , H04N19/117 , H04N19/159 , H04N19/176 , H04N19/189 , H04N19/635
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.
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公开(公告)号:US11652995B2
公开(公告)日:2023-05-16
申请号:US17740035
申请日:2022-05-09
Applicant: SAMSUNG ELECTRONICS CO., LTD.
Inventor: Min-soo Park , Min-woo Park , Bo-ra Jin
IPC: H04N19/119 , H04N19/105 , H04N19/13 , H04N19/176
CPC classification number: H04N19/119 , H04N19/105 , H04N19/13 , H04N19/176
Abstract: Provided are an encoding method and apparatus, and a decoding method and apparatus for adaptively selecting a context model used to entropy-encode and entropy-decode a syntax element, based on various shapes of coding units. The image decoding method includes: determining a context model based on block shape information including at least one of a shape, direction, width, ratio of width and height, or size of a coding unit; obtaining, from a bitstream based on the context model, information about a split shape mode for splitting the coding unit; and determining a split shape mode of the coding unit, based on the information about the split shape mode.
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公开(公告)号:US11528479B2
公开(公告)日:2022-12-13
申请号:US17375674
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.
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公开(公告)号:US11277615B2
公开(公告)日:2022-03-15
申请号:US16077830
申请日:2017-02-16
Applicant: SAMSUNG ELECTRONICS CO., LTD.
Inventor: In-kwon Choi , Min-woo Park
IPC: H04N19/105 , H04N19/132 , H04N19/117 , H04N19/159 , H04N19/176
Abstract: Provided is an image predicting method including: obtaining a plurality of adjacent samples located adjacent to a current block; determining an adjacent sample as a reference sample to be referred to by a current sample, the adjacent sample being from among the plurality of adjacent samples and being indicated by a direction of an intra mode of the current block; and adjusting a sample value of the reference sample according to a reference distance indicating a distance between the reference sample and the current sample, and determining a prediction value of the current sample based on the adjusted sample value of the reference sample.
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公开(公告)号:US10904537B2
公开(公告)日:2021-01-26
申请号:US16339574
申请日:2016-10-10
Applicant: SAMSUNG ELECTRONICS CO., LTD.
Inventor: Jung-hye Min , Min-woo Park , Bo-ra Jin , Chan-yul Kim
IPC: H04N19/176 , H04N19/119 , H04N19/44 , H04N19/463 , H04N19/122
Abstract: Provided is a method of decoding an image, the method including: determining at least one coding unit for splitting an image, based on block shape information of a current coding unit; determining at least one transformation unit, based on a shape of the current coding unit included in the at least one coding unit; and decoding the image by performing inverse transformation based on the at least one transformation unit, wherein the block shape information indicates whether the current coding unit is a square shape or a non-square shape. Also, provided is an encoding method corresponding to the decoding method. In addition, provided is an encoding apparatus or decoding apparatus capable of performing the encoding or decoding method.
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