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221.发明申请公开(公告)号：US20210195227A1
公开(公告)日：2021-06-24
申请号：US17043575
申请日：2019-03-28
Inventor： Ha Hyun LEE , Sung Chang LIM , Jung Won KANG , Jin Ho LEE , Hui Yong KIM
IPC: H04N19/513 , H04N19/56 , H04N19/91
Abstract: The present invention is about an image encoding/decoding method and apparatus. According to present invention, a method of decoding an image, the method comprising, deriving an initial motion vector of a current block; deriving a refined motion vector by using the initial motion vector; and generating a prediction block of the current block by using the refined motion vector.
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222.发明申请公开(公告)号：US20210168362A1
公开(公告)日：2021-06-03
申请号：US17174788
申请日：2021-02-12
Inventor： Dong San JUN , Jin Ho LEE , Jung Won KANG , Hyun Suk KO , Sung Chang LIM , Ha Hyun LEE , Seung Hyun CHO , Hui Yong KIM , Jin Soo CHOI
IPC: H04N19/11 , H04N19/176 , H04N19/593
Abstract: An image encoding/decoding method and apparatus are provided. An image decoding method of the present invention comprises decoding first information indicating whether a maximum of N intra prediction modes are used or a maximum of M intra prediction modes are used for an intra prediction for a current block, in which the M is smaller than the N, deriving an intra prediction mode of the current block, inverse-mapping the derived intra prediction mode on a corresponding intra prediction mode among the maximum N intra prediction modes when the decoded first information indicates that the maximum M intra prediction modes are used for the intra prediction for the current block, and generating an intra prediction block by performing an intra prediction for the current block, based on the inverse-mapped intra prediction mode.
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公开(公告)号：US20210152815A1
公开(公告)日：2021-05-20
申请号：US17160845
申请日：2021-01-28
Applicant: Electronics and Telecommunications Research Institute , University-Industry Cooperation Group of Kyung Hee University
Inventor： Jung Won KANG , Hyun Suk KO , Sung Chang LIM , Jin Ho LEE , Dong San JUN , Hui Yong KIM , Gwang Hoon PARK , Jin Soo CHOI , Tae Hyun KIM , Dae Young LEE , Young Su HEO
IPC: H04N19/105 , H04N19/147 , H04N19/159 , H04N19/176
Abstract: A method and apparatus use a geometric modified image for video encoding/decoding. The encoding method may include: generating a geometric modified reference picture by geometrically modifying a reference picture; generating a prediction block of a current block within an encoding target picture by performing inter prediction by referencing the reference picture or the geometrically modified reference picture; and encoding inter-prediction information of the current block.
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公开(公告)号：US20210021818A1
公开(公告)日：2021-01-21
申请号：US16979495
申请日：2019-03-08
Inventor： Jin Ho LEE , Jung Won KANG , Ha Hyun LEE , Sung Chang LIM , Hui Yong KIM
IPC: H04N19/117 , H04N19/82 , H04N19/132 , H04N19/159 , H04N19/105 , H04N19/176
Abstract: There is provided an image encoding/decoding method and apparatus. The image encoding method of the present invention includes: determining whether or not to apply filtering to a filtering target sample; determining a filter type on the basis of the determination; and applying filtering to the filtering target sample by using the determined filter type.
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225.发明申请公开(公告)号：US20210021810A1
公开(公告)日：2021-01-21
申请号：US16982493
申请日：2019-03-18
Applicant: Electronics and Telecommunications Research Institute , UNIVERSITY-INDUSTRY COOPERATION GROUP OF KYUNG HEE UNIVERSITY
Inventor： Jung Won KANG , Ha Hyun LEE , Sung Chang LIM , Jin Ho LEE , Hui Yong KIM , Gwang Hoon PARK , Tae Hyun KIM , Dae Young LEE
IPC: H04N19/105 , H04N19/61 , H04N19/159 , H04N19/176
Abstract: There is provided an image encoding/decoding method and apparatus. The image encoding method of the present invention includes: generating at least one candidate block including warped reference picture (WRP) Flag information in an advanced motion vector prediction (AMVP) mode; constructing a candidate list including the at least one candidate block; and generating a prediction block of a current block based on the candidate list.
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Patent Agency Ranking
公开(公告)号：US20200275124A1
公开(公告)日：2020-08-27
申请号：US16496581
申请日：2018-04-27
Inventor： Hyun Suk KO , Sung Chang LIM , Jung Won KANG , Jin Ho LEE , Ha Hyun LEE , Dong San JUN , Hui Yong KIM
IPC: H04N19/593 , H04N19/176 , H04N19/184
Abstract: The present invention relates to an image encoding/decoding method and apparatus. The image decoding method according to the present invention may comprise configuring an MPM list based on intra-prediction modes of neighbor blocks of a current block and a number of frequencies of the intra-prediction modes of the neighbor blocks, deriving an intra-prediction mode of the current block based on the MPM list, and performing intra-prediction for the current block based on the intra-prediction mode.
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公开(公告)号：US20200029082A1
公开(公告)日：2020-01-23
申请号：US16493902
申请日：2018-02-27
Inventor： Min Yong JEON , Dong Jin PARK , Dae Yeon KIM , Sung Chang LIM , Jung Won KANG , Ha Hyun LEE , Jin Ho LEE , Hui Yong KIM
IPC: H04N19/176 , H04N19/426 , H04N19/503
Abstract: An image decoding method according to an embodiment of the present invention comprises the steps of: acquiring encoding tree unit information from an image stream; acquiring signaling information on a maximum coding unit size of a coding unit divided from the encoding tree unit; and dividing the encoding tree unit by steps according to the signaling information.
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公开(公告)号：US20200007876A1
公开(公告)日：2020-01-02
申请号：US16565558
申请日：2019-09-10
Inventor： Jung Won KANG , Ha Hyun LEE , Jin Ho LEE , Jin Soo CHOI , Jin Woong KIM
IPC: H04N19/187 , H04N19/70 , H04N19/30
Abstract: Disclosed are an image encoding/decoding method and device supporting a plurality of layers. The image decoding method supporting the plurality of layers comprises the steps of; receiving a bitstream comprising the plurality of layers; and decoding the bitstream so as to acquire maximum number information about sublayers with respect to each of the plurality of layers.
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229.发明申请公开(公告)号：US20190335197A1
公开(公告)日：2019-10-31
申请号：US16349637
申请日：2017-11-22
Applicant: ELECTRONICS AND TELECOMMUNICATIONS RESEARCH INSTITUTE , UNIVERSITY-INDUSTRY COOPERATION GROUP OF KYUNG HEE UNIVERSITY
Inventor： Jung Won KANG , Hyun Suk KO , Sung Chang LIM , Jin Ho LEE , Ha Hyun LEE , Dong San JUN , Seung Hyun CHO , Hui Yong KIM , Jin Soo CHOI , Gwang Hoon PARK , Tae Hyun KIM , Dae Young LEE
IPC: H04N19/527 , H04N19/573 , H04N19/577 , H04N19/105 , H04N19/137 , H04N19/172
Abstract: The present invention relates to a method for encoding an image and method for decoding an image. The method for decoding an image includes: predicting global motion information; and performing inter prediction based on the predicted global motion information, wherein the global motion information is represented by any one of a two-dimensional vector, a geometric transform matrix, a rotation angle, and a magnification ratio.
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公开(公告)号：US20190200040A1
公开(公告)日：2019-06-27
申请号：US16301318
申请日：2017-07-12
Inventor： Sung Chang LIM , Jung Won KANG , Hyun Suk KO , Ha Hyun LEE , Dong San JUN , Jin Ho LEE , Seung Hyun CHO , Hui Yong KIM , Jin Soo CHOI
IPC: H04N19/583
CPC classification number: H04N19/583 , H04N19/146 , H04N19/176 , H04N19/44 , H04N19/51 , H04N19/513 , H04N19/91
Abstract: The present invention relates to a method for encoding/decoding a video. To this end, the method for decoding a video may include: generating a merge candidate list of a current block including at least one merge candidate corresponding to each of a plurality of reference picture lists; determining at least one piece of motion information by using the merge candidate list; and generating a prediction block of the current block by using the determined at least one piece of motion information.
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