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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：US20250133239A1
公开(公告)日：2025-04-24
申请号：US19005435
申请日：2024-12-30
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
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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公开(公告)号：US20250097430A1
公开(公告)日：2025-03-20
申请号：US18968618
申请日：2024-12-04
Inventor： Sung Chang LIM , Jung Won KANG , Hyun Suk KO , Jin Ho LEE , Ha Hyun LEE , Dong San JUN , Seung Hyun CHO , Hui Yong KIM , Jin Soo CHOI
IPC: H04N19/137 , H04N19/105 , H04N19/13 , H04N19/146 , H04N19/159 , H04N19/176 , H04N19/44 , H04N19/51 , H04N19/513 , H04N19/91
Abstract: The present invention relates to a video encoding and decoding method. A video decoding method for the same may include: obtaining granularity information; determining a sharing region based on the granularity information; and generating a prediction block of a current block by using motion information of the sharing region when the current block corresponds to the sharing region.
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Patent Agency Ranking
公开(公告)号：US20240323359A1
公开(公告)日：2024-09-26
申请号：US18737694
申请日：2024-06-07
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 , G06T3/02 , G06T5/50 , G06T5/80 , G06T7/246 , H04N19/137 , H04N19/139 , H04N19/159 , H04N19/172 , H04N19/174 , H04N19/176 , H04N19/51 , H04N19/513
CPC classification number: H04N19/105 , G06T5/50 , G06T5/80 , G06T7/248 , H04N19/137 , H04N19/139 , H04N19/159 , H04N19/172 , H04N19/176 , H04N19/51 , H04N19/521 , G06T3/02 , H04N19/174
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：US20240137507A1
公开(公告)日：2024-04-25
申请号：US18399315
申请日：2023-12-28
Inventor： Sung Chang LIM , Jung Won KANG , Ha Hyun LEE , Dong San JUN , Hyun Suk KO , Jin Ho LEE , Hui Yong KIM
IPC: H04N19/117 , H04N19/105 , H04N19/132 , H04N19/169 , H04N19/176 , H04N19/186 , H04N19/82
CPC classification number: H04N19/117 , H04N19/105 , H04N19/132 , H04N19/176 , H04N19/186 , H04N19/1883 , H04N19/82
Abstract: 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：US20230421778A1
公开(公告)日：2023-12-28
申请号：US18463848
申请日：2023-09-08
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 , H04N19/593 , H04N19/13 , H04N19/126 , H04N19/176 , H04N19/50
CPC classification number: H04N19/159 , H04N19/105 , H04N19/593 , H04N19/13 , H04N19/126 , H04N19/176 , H04N19/50
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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公开(公告)号：US20230370585A1
公开(公告)日：2023-11-16
申请号：US18358871
申请日：2023-07-25
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 , H04N19/159 , H04N19/137 , H04N19/172 , G06T5/00 , G06T7/246 , H04N19/51 , G06T5/50 , H04N19/176 , H04N19/139 , H04N19/513 , H04N19/174 , G06T3/00
CPC classification number: H04N19/105 , H04N19/159 , H04N19/137 , H04N19/172 , G06T5/006 , G06T7/248 , H04N19/51 , G06T5/50 , H04N19/176 , H04N19/139 , H04N19/521 , H04N19/174 , G06T3/0006
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：US20230042486A1
公开(公告)日：2023-02-09
申请号：US17972894
申请日：2022-10-25
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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