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公开(公告)号：US11991383B2
公开(公告)日：2024-05-21
申请号：US17717806
申请日：2022-04-11
发明人： Jin-young Lee , Seung-soo Jeong , Woong-il Choi , Anish Tamse , Yin-ji Piao
摘要： 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.
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公开(公告)号：US11973972B2
公开(公告)日：2024-04-30
申请号：US17583798
申请日：2022-01-25
发明人： Jin-Young Lee , Woong-il Choi
IPC分类号： H04N19/513 , H04N19/105 , H04N19/176 , H04N19/44 , H04N19/577
CPC分类号： H04N19/513 , H04N19/176 , H04N19/44
摘要： A method of decoding motion information includes: identifying a type of omission motion information not included in a bitstream from among a plurality of pieces of motion information used to decode a current block that is inter predicted; obtaining the omission motion information by using a predetermined method; and decoding the current block based on the plurality of pieces of motion information including the obtained omission motion information.
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公开(公告)号：US11134286B2
公开(公告)日：2021-09-28
申请号：US16486077
申请日：2018-02-09
发明人： Pil-kyu Park , Kwang-pyo Choi , Woong-il Choi , Myung-ho Kim , Sung-chan Kim , Jeong-hoon Park , Hee-chul Yang , Chang-hyun Lee
IPC分类号： H04N21/239 , H04N21/2381 , H04N21/258 , H04N21/45 , H04N21/472 , H04N21/643 , H04N21/234 , H04N21/81
摘要： Provided is a method, performed by a terminal, of providing content includes determining whether at least one content is included in preference content, based on information about the at least one content provided to the terminal and preference information of a user of the terminal about content; content, which is not included in the preference content, is present in the at least one content, transmitting, to a server, a request to change the first content to second content included in the preference content based on previously stored information about the preference content; and outputting the second content received from the server, in response to the request.
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公开(公告)号：US12047569B2
公开(公告)日：2024-07-23
申请号：US17967352
申请日：2022-10-17
发明人： Woong-il Choi , Sun-il Lee , Ki-ho Choi
IPC分类号： H04N19/105 , H04N19/117 , H04N19/159 , H04N19/176
CPC分类号： H04N19/117 , H04N19/105 , H04N19/159 , H04N19/176
摘要： 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.
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公开(公告)号：US11589070B2
公开(公告)日：2023-02-21
申请号：US16634400
申请日：2018-03-30
发明人： Jin-young Lee , Yin-ji Piao , Woong-il Choi
IPC分类号： H04N19/513 , H04N19/139 , H04N19/176
摘要： A method of decoding a motion vector includes: determining at least one prediction motion vector (PMV) candidate block used to determine a PMV of a current block; determining an availability of a motion vector of the at least one PMV candidate block; when there is a PMV candidate block determined to be unavailable, determining the PMV of the current block by using a default motion vector (MV); and obtaining a motion vector of the current block based on the determined PMV.
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公开(公告)号：US11310514B2
公开(公告)日：2022-04-19
申请号：US15538853
申请日：2014-12-30
发明人： Dae-sung Cho , Chan-yul Kim , Jeong-hoon Park , Pil-kyu Park , Kwang-pyo Choi , Dai-woong Choi , Woong-il Choi
IPC分类号： H04N19/167 , H04N19/169 , H04N19/103 , H04N19/59 , H04N19/124 , H04N19/13 , H04N19/176 , H04N19/182 , H04N19/61 , H04N19/132 , H04N19/156 , H04N19/436 , H04N19/46 , H04N7/01
摘要： Encoding an image using a non-encoding region of the image, a block-based encoding region of the image, and a pixel-based encoding region of the image.
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公开(公告)号：US11303920B2
公开(公告)日：2022-04-12
申请号：US16622157
申请日：2018-03-30
发明人： Jin-young Lee , Seung-soo Jeong , Woong-il Choi , Anish Tamse , Yin-ji Piao
摘要： 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.
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公开(公告)号：US12132924B2
公开(公告)日：2024-10-29
申请号：US18153879
申请日：2023-01-12
发明人： Jin-young Lee , Yin-ji Piao , Woong-il Choi
IPC分类号： H04N19/513 , H04N19/139 , H04N19/176
CPC分类号： H04N19/513 , H04N19/139 , H04N19/176
摘要： A method of decoding a motion vector includes: determining at least one prediction motion vector (PMV) candidate block used to determine a PMV of a current block; determining an availability of a motion vector of the at least one PMV candidate block; when there is a PMV candidate block determined to be unavailable, determining the PMV of the current block by using a default motion vector (MV); and obtaining a motion vector of the current block based on the determined PMV.
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公开(公告)号：US12028518B2
公开(公告)日：2024-07-02
申请号：US17967612
申请日：2022-10-17
发明人： Woong-il Choi , Sun-il Lee , Ki-ho Choi
IPC分类号： H04N19/117 , H04N19/105 , H04N19/159 , H04N19/176
CPC分类号： H04N19/117 , H04N19/105 , H04N19/159 , H04N19/176
摘要： 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.
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10.发明申请公开(公告)号：US20150229922A1
公开(公告)日：2015-08-13
申请号：US14692289
申请日：2015-04-21
发明人： Woo-shik KIM , Hyun-mun Kim , Dae-sung Cho , Dmitri Birinov , Dae-Hee Kim , Woong-il Choi
IPC分类号： H04N19/11 , H04N19/186 , H04N19/176 , H04N19/593
CPC分类号： H04N19/136 , G06T9/007 , H04N19/103 , H04N19/109 , H04N19/11 , H04N19/147 , H04N19/15 , H04N19/176 , H04N19/186 , H04N19/19 , H04N19/50 , H04N19/593 , H04N19/61
摘要： A method, medium, and system encoding and/or decoding a moving picture. The moving picture encoding method may include selecting a prediction mode that is optimal for the macro blocks, which correspond to each other, of the color components of a current image based on the characteristics of a predetermined image, generating a predicted image for the current image according to the selected prediction mode, and encoding a moving picture using the predicted image. An optimal prediction mode can be adaptively applied to the macro blocks, which correspond to each other, of the color components, thereby increasing the moving picture's encoding and decoding efficiencies.
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