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1.发明公开
公开(公告)号：EP3651467A1
公开(公告)日：2020-05-13
申请号：EP18828569.6
申请日：2018-06-21
发明人： LEE, Jin Ho , KANG, Jung Won , KO, Hyun Suk , LIM, Sung Chang , LEE, Ha Hyun , JUN, Dong San , KIM, Hui Yong
IPC分类号： H04N19/59 , H04N19/593 , H04N19/176 , H04N19/11 , H04N19/117 , H04N19/105 , G06T9/00
摘要： An image encoding/decoding method and apparatus for performing intra prediction using a plurality of reference sample lines are provided. An image decoding method may comprise configuring a plurality of reference sample lines, reconstructing an intra prediction mode of a current block, and performing intra prediction for the current block based on the intra prediction mode and the plurality of reference sample lines.
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公开(公告)号：EP3737093A1
公开(公告)日：2020-11-11
申请号：EP18883228.1
申请日：2018-11-28
发明人： LIM, Sung Chang , KO, Hyun Suk , KANG, Jung Won , LEE, Jin Ho , LEE, Ha Hyun , JUN, Dong San , KIM, Hui Yong
IPC分类号： H04N19/11 , H04N19/119 , H04N19/593 , H04N19/105 , H04N19/176 , H04N19/184
摘要： An image encoding/decoding method and apparatus for performing intra prediction mode based intra prediction are provided. An image decoding method may comprise decoding an intra prediction mode of a current block, deriving at least one intra prediction mode from the decoded intra prediction mode of the current block, generating two or more intra prediction blocks using the intra prediction mode of the current block and the derived intra prediction mode, and generating an intra prediction block of the current block based on the two or more intra prediction blocks.
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公开(公告)号：EP4351139A3
公开(公告)日：2024-05-15
申请号：EP24153593.9
申请日：2018-06-05
发明人： LIM, Sung Chang , KANG, Jung Won , KO, Hyun Suk , JUN, Dong San , LEE, Jin Ho , LEE, Ha Hyun , KIM, Hui Yong
IPC分类号： H04N19/51 , H04N19/13 , H04N19/122 , H04N19/176 , H04N19/105 , H04N19/137 , H04N19/503 , H04N19/523
CPC分类号： H04N19/176 , H04N19/105 , H04N19/137 , H04N19/523
摘要： Disclosed is an image encoding method. The method includes deriving a motion refinement candidate from among motion information of spatial neighboring blocks, motion information of a temporal neighboring blocks, predefined motion information, and motion information that most frequently occurs in a reference picture, performing a motion information refinement on the derived motion refinement candidate, and generating a prediction block of a current block by using the motion refinement candidate having undergone the motion information refinement.
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公开(公告)号：EP3637772A1
公开(公告)日：2020-04-15
申请号：EP18814404.2
申请日：2018-06-05
发明人： LIM, Sung Chang , KANG, Jung Won , KO, Hyun Suk , JUN, Dong San , LEE, Jin Ho , LEE, Ha Hyun , KIM, Hui Yong
IPC分类号： H04N19/51 , H04N19/13 , H04N19/122 , H04N19/176
摘要： Disclosed is an image encoding method. The method includes deriving a motion refinement candidate from among motion information of spatial neighboring blocks, motion information of a temporal neighboring blocks, predefined motion information, and motion information that most frequently occurs in a reference picture, performing a motion information refinement on the derived motion refinement candidate, and generating a prediction block of a current block by using the motion refinement candidate having undergone the motion information refinement.
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5.发明公开
公开(公告)号：EP3700208A1
公开(公告)日：2020-08-26
申请号：EP18868567.1
申请日：2018-10-18
发明人： LEE, Jin Ho , KANG, Jung Won , KO, Hyun Suk , LIM, Sung Chang , LEE, Ha Hyun , JUN, Dong San , KIM, Hui Yong
IPC分类号： H04N19/132 , H04N19/11 , H04N19/105 , H04N19/593 , H04N19/176 , H04N19/119 , H04N19/124 , H04N19/186
摘要： An image encoding/decoding method and apparatus for performing representative sample-based intra prediction are provided. An image decoding method may comprise deriving an intra prediction mode of a current block, configuring a reference sample of the current block, and performing intra prediction for the current block based on the intra prediction mode and the reference sample, wherein the intra prediction is representative sample-based prediction.
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公开(公告)号：EP4443245A1
公开(公告)日：2024-10-09
申请号：EP22901781.9
申请日：2022-11-30
申请人： Electronics and Telecommunications Research Institute , University-Industry Cooperation Group Of Kyung Hee University , Industry-University Cooperation Foundation Hanyang University Erica Campus
发明人： OH, Kwan Jung , KIM, Jin Woong , KIM, Hui Yong , BAN, Hyun Min , CHOI, Seung Mi , KO, Hyun Suk
IPC分类号： G03H1/08 , H04N19/597 , H04N19/147
CPC分类号： G03H1/08 , H04N19/597 , H04N19/147
摘要： The image encoding and decoding method and apparatus based on a periodicity on phase signal are disclosed. One embodiment on an encoding an image, the method comprising: generating a prediction signal for an input signal, calculating an initial residual signal, which is a difference value between the input signal and the prediction signal, generating a transformed residual signal by transforming a value of the initial residual signal to have a size value within a preset range, and encoding the transformed residual signal, wherein the transformed residual signal is generated based on a period of a signal, wherein the preset range is a range of the period of the signal.
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公开(公告)号：EP4351139A2
公开(公告)日：2024-04-10
申请号：EP24153593.9
申请日：2018-06-05
发明人： LIM, Sung Chang , KANG, Jung Won , KO, Hyun Suk , JUN, Dong San , LEE, Jin Ho , LEE, Ha Hyun , KIM, Hui Yong
IPC分类号： H04N19/523
摘要： Disclosed is an image encoding method. The method includes deriving a motion refinement candidate from among motion information of spatial neighboring blocks, motion information of a temporal neighboring blocks, predefined motion information, and motion information that most frequently occurs in a reference picture, performing a motion information refinement on the derived motion refinement candidate, and generating a prediction block of a current block by using the motion refinement candidate having undergone the motion information refinement.
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公开(公告)号：EP3720129A1
公开(公告)日：2020-10-07
申请号：EP18882727.3
申请日：2018-11-29
发明人： LIM, Sung Chang , KANG, Jung Won , LEE, Ha Hyun , JUN, Dong San , KO, Hyun Suk , LEE, Jin Ho , KIM, Hui Yong
IPC分类号： H04N19/117 , H04N19/119 , H04N19/176 , H04N19/50 , H04N19/60 , H04N19/124 , H04N19/426 , H04N19/593
摘要： The present invention relates to a video encoding/decoding method and apparatus. The video decoding method according to the present invention may comprise decoding filter information on a coding unit; classifying samples in the coding unit into classes on a per block classification unit basis; and filtering the coding unit having the samples classified into the classes on a per block classification unit basis by using the filter information.
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公开(公告)号：EP3379829A1
公开(公告)日：2018-09-26
申请号：EP16866698.0
申请日：2016-11-18
发明人： JUN, Dong San , KANG, Jung Won , LIM, Sung Chang , KO, Hyun Suk , LEE, Jin Ho , KIM, Hui Yong , CHOI, Jin Soo
IPC分类号： H04N19/103 , H04N19/146 , H04N19/167 , H04N19/44
CPC分类号： H04N19/103 , H04N19/11 , H04N19/146 , H04N19/159 , H04N19/167 , H04N19/176 , H04N19/44 , H04N19/463 , H04N19/91
摘要： The present invention provides a method and apparatus for encoding an intra-prediction mode based on a secondary IPM. A method of encoding an image according to an embodiment of the present invention may comprises a first decision step of determining whether an intra-prediction mode of a current block is included in a first candidate mode set including M candidate modes (M is an integer equal to or greater than 1) ; a second decision step of determining whether the intra-prediction mode of the current block is included in a second candidate mode set including N candidate modes (N is an integer equal to or greater than 1) based on a first determination result representing a determination result of the first decision step; and an intra prediction mode encoding step of encoding the intra-prediction mode of the current block based on the first determination result or a second determination result representing a determination result of the second decision step.
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