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公开(公告)号：US20190166375A1
公开(公告)日：2019-05-30
申请号：US16321145
申请日：2017-08-01
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: H04N19/159 , H04N19/126 , H04N19/13 , H04N19/50 , H04N19/176
Abstract: An image encoding/decoding method and apparatus for performing intra prediction are provided. An image decoding method of the present invention comprises deriving an intra prediction mode for a current block, selecting at least one reconstructed sample line neighboring to the current block, constructing a reference sample using at least one reconstructed sample included in the at least one reconstructed sample line, and performing intra prediction for the current block based on the intra prediction mode and the reference sample.
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22.发明申请公开(公告)号：US20190068939A1
公开(公告)日：2019-02-28
申请号：US16070532
申请日：2017-01-19
Applicant: Electronics and Telecommunications Research Institute , Ulsan National Institute of Science and Technology
Inventor： Jung Won KANG , Hyun Suk KO , Jin Ho LEE , Dong San JUN , Hui Yong KIM , Young Shin KWAK , Ye Seul BAEK , Jin Soo CHOI
IPC: H04N9/78 , H04N19/124 , H04N19/132 , H04N19/186
Abstract: There is provided a method and apparatus for converting an input video to a video format suitable for compressing, or for converting a recovered video to a video format suitable for displaying. An apparatus for converting a video signal according to an embodiment of the present invention may include: a color space conversion part converting a color space of a video signal thereby the video signal is separated into a brightness component and a color component; a transfer function application part selectively applying a transfer function to one of the brightness component and the color component; a quantization part quantizing the video signal including the brightness component and the color component to which the transfer function is selectively applied; and a sampling part sampling the quantized video signal.
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公开(公告)号：US20180332279A1
公开(公告)日：2018-11-15
申请号：US15776292
申请日：2016-11-18
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 , G06T5/00 , G06T5/50 , H04N19/513 , H04N19/159 , G06T7/246 , H04N19/176 , H04N19/139
CPC classification number: H04N19/105 , G06T3/0006 , G06T5/006 , G06T5/50 , G06T7/248 , H04N19/103 , H04N19/107 , H04N19/139 , H04N19/159 , H04N19/174 , H04N19/176 , H04N19/50 , H04N19/521
Abstract: The present invention relates to a method and apparatus for video encoding/decoding by using a geometric modified picture. The encoding method according to the present invention includes: generating a geometric modified picture by geometrically modifying a reference picture; and generating a first prediction block of a current block by performing inter prediction referencing the geometric modified picture.
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公开(公告)号：US20250126246A1
公开(公告)日：2025-04-17
申请号：US18999634
申请日：2024-12-23
Inventor： Jung Won KANG , Sung Chang LIM , Hyun Suk KO , Ha Hyun LEE , Jin Ho LEE , Dong San JUN , Seung Hyun CHO , Hui Yong KIM , Jin Soo CHOI
IPC: H04N19/105 , H04N19/119 , H04N19/159 , H04N19/176 , H04N19/186 , H04N19/70 , H04N19/96
Abstract: The present invention relates to an image encoding method and an image decoding method. The image decoding method includes partitioning a picture into a plurality of coding units, constructing a coding unit group including at least one coding unit of the plurality of coding units, obtaining coding information in units of one coding unit group, and decoding at least one coding unit of the plurality of coding units included in the coding unit group by using the obtained coding information.
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公开(公告)号：US20250097431A1
公开(公告)日：2025-03-20
申请号：US18910820
申请日：2024-10-09
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: H04N19/159 , H04N19/105 , H04N19/126 , H04N19/13 , H04N19/176 , H04N19/50 , H04N19/593
Abstract: An image encoding/decoding method and apparatus for performing intra prediction are provided. An image decoding method of the present invention comprises deriving an intra prediction mode for a current block, selecting at least one reconstructed sample line neighboring to the current block, constructing a reference sample using at least one reconstructed sample included in the at least one reconstructed sample line, and performing intra prediction for the current block based on the intra prediction mode and the reference sample.
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Patent Agency Ranking
公开(公告)号：US20240187644A1
公开(公告)日：2024-06-06
申请号：US18545040
申请日：2023-12-19
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 , H04N19/105 , H04N19/132 , H04N19/176 , H04N19/196 , H04N19/463 , H04N19/51 , H04N19/513 , H04N19/56 , H04N19/577 , H04N19/96
CPC classification number: H04N19/583 , H04N19/105 , H04N19/176 , H04N19/51 , H04N19/96 , H04N19/132 , H04N19/197 , H04N19/463 , H04N19/513 , H04N19/56 , H04N19/577
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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27.发明公开公开(公告)号：US20240155110A1
公开(公告)日：2024-05-09
申请号：US18411515
申请日：2024-01-12
Inventor： Jung Won KANG , Sung Chang LIM , Hyun Suk KO , Ha Hyun LEE , Jin Ho LEE , Dong San JUN , Seung Hyun CHO , Hui Yong KIM , Jin Soo CHOI
IPC: H04N19/105 , H04N19/119 , H04N19/159 , H04N19/176 , H04N19/186 , H04N19/70 , H04N19/96
CPC classification number: H04N19/105 , H04N19/119 , H04N19/159 , H04N19/176 , H04N19/186 , H04N19/70 , H04N19/96
Abstract: The present invention relates to an image encoding method and an image decoding method. The image decoding method includes partitioning a picture into a plurality of coding units, constructing a coding unit group including at least one coding unit of the plurality of coding units, obtaining coding information in units of one coding unit group, and decoding at least one coding unit of the plurality of coding units included in the coding unit group by using the obtained coding information.
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公开(公告)号：US20240098311A1
公开(公告)日：2024-03-21
申请号：US18513906
申请日：2023-11-20
Applicant: ELECTRONICS AND TELECOMMUNICATIONS RESEARCH INSTITUTE , INDUSTRY ACADEMY COOPERATION FOUNDATION OF SEJONG UNIVERSITY
Inventor： Sung Chang LIM , Jung Won KANG , Hyun Suk KO , Jin Ho LEE , Dong San JUN , Ha Hyun LEE , Seung Hyun CHO , Hui Yong KIM , Jin Soo CHOI , Yung Lyul LEE , Jun Woo CHOI
IPC: H04N19/91 , H04N19/146 , H04N19/149 , H04N19/159 , H04N19/176 , H04N19/182 , H04N19/44
CPC classification number: H04N19/91 , H04N19/146 , H04N19/149 , H04N19/159 , H04N19/176 , H04N19/182 , H04N19/44
Abstract: The present invention relates to an image encoding/decoding method and apparatus. An image encoding method according to the present invention may comprise generating a transform block by performing at least one of transform and quantization; grouping at least one coefficient included in the transform block into at least one coefficient group (CG); scanning at least one coefficient included in the coefficient group; and encoding the at least one coefficient.
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29.发明公开公开(公告)号：US20240031559A1
公开(公告)日：2024-01-25
申请号：US18479313
申请日：2023-10-02
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: H04N19/105 , H04N19/117 , H04N19/132 , H04N19/159 , H04N19/172 , H04N19/176 , H04N19/182 , H04N19/46 , H04N19/52
CPC classification number: H04N19/105 , H04N19/117 , H04N19/132 , H04N19/159 , H04N19/172 , H04N19/176 , H04N19/182 , H04N19/46 , H04N19/52
Abstract: An image encoding/decoding method and apparatus are provided. An image encoding method performed by an image encoding apparatus may comprise determining an intra-prediction mode of a current block, configuring a reference sample of intra prediction by using at least one of a neighbor pixel of the current block in a current picture and a pixel of a reference picture, and performing intra prediction for the current block based on the intra-prediction mode and the reference sample.
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30.发明公开公开(公告)号：US20230188708A1
公开(公告)日：2023-06-15
申请号：US18094456
申请日：2023-01-09
Inventor： Jung Won KANG , Sung Chang LIM , Hyun Suk KO , Ha Hyun LEE , Jin Ho LEE , Dong San JUN , Seung Hyun CHO , Hui Yong KIM , Jin Soo CHOI
IPC: H04N19/105 , H04N19/119 , H04N19/159 , H04N19/176 , H04N19/186 , H04N19/70 , H04N19/96
CPC classification number: H04N19/105 , H04N19/70 , H04N19/96 , H04N19/119 , H04N19/159 , H04N19/176 , H04N19/186
Abstract: The present invention relates to an image encoding method and an image decoding method. The image decoding method includes partitioning a picture into a plurality of coding units, constructing a coding unit group including at least one coding unit of the plurality of coding units, obtaining coding information in units of one coding unit group, and decoding at least one coding unit of the plurality of coding units included in the coding unit group by using the obtained coding information.
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