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301.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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公开(公告)号：US20230403401A1
公开(公告)日：2023-12-14
申请号：US18456723
申请日：2023-08-28
Inventor： Ha Hyun LEE , Jung Won KANG , Jin Ho LEE , Jin Soo CHOI , Jin Woong KIM
IPC: H04N19/187 , H04N19/176 , H04N19/105 , H04N19/52 , H04N19/70 , H04N19/463 , H04N19/33 , H04N19/31
CPC classification number: H04N19/187 , H04N19/176 , H04N19/105 , H04N19/52 , H04N19/70 , H04N19/463 , H04N19/33 , H04N19/31
Abstract: Disclosed are a method and an apparatus for image encoding/decoding that support a plurality of layers. The method for image decoding that supports a plurality of layers includes decoding information of a first layer which a picture of a second layer including a current decoding target block refers to; mapping the information of the first layer to a picture size of the second layer, configuring a reference picture list for the picture of the second layer by adding the mapped information of the first layer and generating prediction samples of the current decoding target block by predicting the current decoding target block of the second layer based on the reference picture list, and the information of the first layer includes at least one of a sample value and motion information of the first layer picture.
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303.发明公开公开(公告)号：US20230362352A1
公开(公告)日：2023-11-09
申请号：US18223961
申请日：2023-07-19
Applicant: Electronics and Telecommunications Research Institute , HANBAT NATIONAL UNIVERSITY INDUSTRY-ACADEMIC COOPERATION FOUNDATION
Inventor： Ha Hyun LEE , Jung Won KANG , Sung Chang LIM , Jin Ho LEE , Hui Yong KIM , Hae Chul CHOI , Aram BACK , Dae Hyeok GWON
IPC: H04N19/82 , H04N19/105 , H04N19/159 , H04N19/117 , H04N19/176 , H04N19/70
CPC classification number: H04N19/105 , H04N19/117 , H04N19/159 , H04N19/176 , H04N19/70 , H04N19/82
Abstract: An image encoding/decoding method is disclosed. Present invention of the method of decoding an image comprises determining a prediction mode for a current block and performing prediction on the current block on the basis of the determined prediction mode.
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304.发明公开公开(公告)号：US20230308673A1
公开(公告)日：2023-09-28
申请号：US18327160
申请日：2023-06-01
Applicant: Electronics and Telecommunications Research Institute , KOREA ADVANCED INSTITUTE OF SCIENCE AND TECHNOLOGY
Inventor： Jong Ho KIM , Hui Yong KIM , Se Yoon JEONG , Sung Chang LIM , Ha Hyun LEE , Jin Ho LEE , Suk Hee CHO , Jin Soo CHOI , Jin Woong KIM , Chie Teuk AHN , Mun Churl KIM , Bum Shik LEE
CPC classification number: H04N19/44 , H04N19/70 , H04N19/46 , H04N19/593 , H04N19/60 , H04N19/18 , H04N19/64
Abstract: Disclosed decoding method of the intra prediction mode comprises the steps of: determining whether an intra prediction mode of a present prediction unit is the same as a first candidate intra prediction mode or as a second candidate intra prediction mode on the basis of 1-bit information; and determining, among said first candidate intra prediction mode and said second candidate intra prediction mode, which candidate intra prediction mode is the same as the intra prediction mode of said present prediction unit on the basis of additional 1-bit information, if the intra prediction mode of the present prediction unit is the same as at least either the first candidate intra prediction mode or the second candidate intra prediction mode, and decoding the intra prediction mode of the present prediction unit.
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305.发明公开公开(公告)号：US20230199174A1
公开(公告)日：2023-06-22
申请号：US18110702
申请日：2023-02-16
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 , H04N19/176 , H04N19/423 , H04N19/46 , H04N19/51
CPC classification number: H04N19/105 , H04N19/176 , H04N19/423 , H04N19/46 , H04N19/51
Abstract: An image decoding method is disclosed in the present specification. An image decoding method according to the present invention may comprise deriving a candidate list for inter-prediction of a current block, deriving motion information of the current block by using the candidate list, deriving a cumulative coding information candidate by using the motion information of the current block, inserting the derived cumulative coding information candidate into a cumulative coding information candidate list and updating the candidate list by using the cumulative coding information candidate list, wherein the updated candidate list is used for inter-prediction of a block to be decoded after the current block.
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Patent Agency Ranking
306.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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307.发明申请公开(公告)号：US20230138960A1
公开(公告)日：2023-05-04
申请号：US18092066
申请日：2022-12-30
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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308.发明申请公开(公告)号：US20230088384A1
公开(公告)日：2023-03-23
申请号：US17988972
申请日：2022-11-17
Applicant: Electronics and Telecommunications Research Institute , Industry-University Cooperation Foundation Korea Aerospace University , Hanbat National University Industry-Academic Cooperation Foundation
Inventor： Jin Ho LEE , Sung Chang LIM , Jung Won KANG , Hyun Suk KO , Ha Hyun LEE , Dong San JUN , Seung Hyun CHO , Hui Yong KIM , Jae Gon KIM , Do Hyeon PARK , Jin Soo CHOI , Hae Chul CHOI
IPC: H04N19/11 , H04N19/176 , H04N19/159 , G06F17/18 , H04N19/91 , H04N19/117 , H04N19/132 , H04N19/119 , H04N19/105 , H04N19/80 , H04N19/513 , H04N19/174 , H04N19/13
Abstract: An image encoding/decoding method and apparatus are provided. An image decoding method performed by an image decoding apparatus according to the present invention may comprise deriving an intra-prediction mode of a current block, and performing intra-prediction for the current block based on the intra-prediction mode. The deriving of the intra-prediction mode may comprise decoding a predetermined mode sameness indicator.
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公开(公告)号：US20230007263A1
公开(公告)日：2023-01-05
申请号：US17767705
申请日：2020-10-12
Applicant: Electronics and Telecommunications Research Institute , RESEARCH & BUSINESS FOUNDATION SUNGKYUNKWAN UNIVERSITY
Inventor： Jung Won KANG , Ha Hyun LEE , Sung Chang LIM , Jin Ho LEE , Byeung Woo JEON , Jee Yoon PARK
IPC: H04N19/132 , H04N19/186 , H04N19/176 , H04N19/46
Abstract: Disclosed herein is a video decoding method. The video decoding method includes: obtaining a chroma residual joint flag of a current block indicating whether or not a chroma residual joint mode is applied to the current block; obtaining, from a bitstream, a transform skip mode flag for a luma component of the current block and a transform skip mode flag for a first chroma component; when the chroma residual joint flag indicates that a chroma residual joint mode is applied to the current block, determining whether or not a transform skip mode is applied to a second chroma component of the current block, according to the transform skip mode flag for the first chroma component; and, when the chroma residual joint flag indicates that a chroma residual joint mode is not applied to the current block, obtaining, from the bitstream, a transform skip mode flag for the second chroma component of the current block.
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310.发明申请公开(公告)号：US20220408110A1
公开(公告)日：2022-12-22
申请号：US17890972
申请日：2022-08-18
Applicant: Electronics and Telecommunications Research Institute , INDUSTRY ACADEMY COOPERATION FOUNDATION OF SEJONG UNIVERSITY , CHIPS&MEDIA, INC , INDUSTRY-UNIVERSITY COOPERATION FOUNDATION KOREA AEROSPACE UNIVERSITY
Inventor： Sung Chang LIM , Jung Won KANG , Ha Hyun LEE , Jin Ho LEE , Hui Yong KIM , Yung Lyul LEE , Ji Yeon JUNG , Nam Uk KIM , Myung Jun KIM , Yang Woo KIM , Dae Yeon KIM , Jae Gon KIM
IPC: H04N19/593 , H04N19/107 , H04N19/127 , H04N19/159 , H04N19/176 , H04N19/196 , H04N19/503 , G06T9/00 , H04N19/189
Abstract: Disclosed herein is a method of decoding an image. The method includes generating an inter prediction block by performing inter prediction with respect to a current block, generating an intra prediction block by performing intra prediction with respect to the current block, determining a first weight and a second weight, and generating a final prediction block by respectively applying the first weight and the second weight to the inter prediction block and the intra prediction block. The generating of the intra prediction block includes generating the intra prediction block using a predefined intra prediction mode.
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