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公开(公告)号：US20210409687A1
公开(公告)日：2021-12-30
申请号：US17474514
申请日：2021-09-14
Inventor： Sung Chang LIM , Jong Ho KIM , Hae Chul CHOI , Hui Yong KIM , Ha Hyun LEE , Jin Ho LEE , Se Yoon JEONG , Suk Hee CHO , Jin Soo CHOI , Jin Woo HONG , Jin Woong KIM
IPC: H04N19/105 , H04N19/503 , H04N19/176 , H04N19/46 , H04N19/593 , H04N19/11 , H04N19/157
Abstract: Provided are an image encoding method and device. When carrying out image encoding for a block within a slice, at least one block in a restored block of the slice is set as a reference block. When this is done, the encoding parameters of the reference block are distinguished, and the block to be encoded is encoded adaptively based on the encoding parameters.
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公开(公告)号：US20210392372A1
公开(公告)日：2021-12-16
申请号：US17372594
申请日：2021-07-12
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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233.发明申请公开(公告)号：US20210368172A1
公开(公告)日：2021-11-25
申请号：US16648470
申请日：2018-09-20
Inventor： Sung Chang LIM , Jung Won KANG , Hyun Suk KO , Jin Ho LEE , Ha Hyun LEE , Dong San JUN , Hui Yong KIM
IPC: H04N19/119 , H04N19/96 , H04N19/159 , H04N19/46 , H04N19/186 , H04N19/169 , H04N19/176
Abstract: The present invention relates to an image encoding/decoding method. The image decoding method includes splitting a coding tree unit (CTU) into at least one coding unit (CU) according to a block splitting structure and performing CU-based decoding, in which the block partition structure is configured such that at least one of binary tree splitting and ternary tree splitting is performed after quadtree splitting is performed.
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234.发明申请公开(公告)号：US20210352273A1
公开(公告)日：2021-11-11
申请号：US17278158
申请日：2019-09-19
Inventor： Sung Chang LIM , Jung Won KANG , Ha Hyun LEE , Jin Ho LEE , Hui Yong KIM
IPC: H04N19/105 , H04N19/176 , H04N19/159 , H04N19/196 , H04N19/132
Abstract: There is provided a method and apparatus of encoding/decoding an intra prediction mode. The method comprises deriving an intra prediction mode with respect to a current block, constructing a reference sample for the current block on the basis of the derived intra prediction mode, and performing the intra prediction with respect to the current block using the derived intra prediction mode and the constructed reference sample, wherein the intra prediction mode is derived on the basis of a most probable mode (MPM).
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公开(公告)号：US20210297658A1
公开(公告)日：2021-09-23
申请号：US17273119
申请日：2019-09-03
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: H04N19/105 , H04N19/159 , H04N19/70 , H04N19/117 , H04N19/82 , H04N19/176
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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Patent Agency Ranking
公开(公告)号：US20210274223A1
公开(公告)日：2021-09-02
申请号：US17256165
申请日：2019-06-28
Applicant: Electronics and Telecommunications Research Institute , CHIPS&MEDIA, INC , INDUSTRY ACADEMY COOPERATION FOUNDATION OF SEJONG UNIVERSITY , INDUSTRY-UNIVERSITY COOPERATION FOUNDATION KOREA AEROSPACE UNIVERSITY
Inventor： Sung Chang LIM , Jung Won KANG , Ha Hyun LEE , Jin Ho LEE , Hui Yong KIM , Dae Yeon KIM , Wook Je JEONG , Dong Jin PARK , Min Yong JEON , Yung Lyul LEE , Nam Uk KIM , Myung Jun KIM , Ji Youn JUNG , Jae Gon KIM
IPC: H04N19/82 , H04N19/176 , H04N19/107
Abstract: In the present specification, an image decoding method is disclosed. The image decoding method includes: determining whether or not to perform filtering on a boundary of a current block; determining a filtering strength on the boundary of the current block, and a number of samples used in filtering; and performing filtering on the boundary of the current block on the basis of the filtering strength and the number of samples used in filtering, wherein the number of samples used in filtering is determined on the basis of a size of the current block.
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237.发明申请公开(公告)号：US20210274175A1
公开(公告)日：2021-09-02
申请号：US17256157
申请日：2019-06-27
Inventor： Sung Chang LIM , Jung Won KANG , Jin Ho LEE , Ha Hyun LEE , Hui Yong KIM
IPC: H04N19/119 , H04N19/105 , H04N19/176 , H04N19/96
Abstract: In this specification, a image decoding method is disclosed. The image decoding method of the present invention comprises, decoding block partition information of a current block included in a current picture, determining a partitioning scheme for the current block according to the block partition information and partitioning the current block using the partitioning scheme determined, wherein the partitioning scheme is determined according to whether the current block includes a boundary of the current picture.
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公开(公告)号：US20210227256A1
公开(公告)日：2021-07-22
申请号：US17221229
申请日：2021-04-02
Inventor： Jin Ho LEE , Hui Yong KIM , Sung Chang LIM , Jin Soo CHOI , Jin Woong KIM
IPC: H04N19/593 , H04N19/82 , H04N19/159 , H04N19/122 , H04N19/136 , H04N19/157 , H04N19/117 , H04N19/137 , H04N19/44 , H04N19/80 , H04N19/105 , H04N19/11 , H04N19/182
Abstract: According to the present invention, an image encoding/decoding method comprises the steps of: performing an intra prediction on a current block so as to generate a prediction block; performing filtering on a filtering target pixel in the prediction block on the basis of the intra prediction mode of the current block so as to generate a final prediction block; and generating a reconstructed block on the basis of a reconstructed differential block corresponding to the current block and on the final prediction block. According to the present invention, image encoding/decoding efficiency can be improved.
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公开(公告)号：US20200382787A1
公开(公告)日：2020-12-03
申请号：US16999208
申请日：2020-08-21
Applicant: Electronics and Telecommunications Research Institute , UNIVERSITY-INDUSTRY COOPERATION GROUP OF KYUNG HEE UNIVERSITY
Inventor： Hui Yong KIM , Sung Chang LIM , Jin Ho LEE , Jin Soo CHOI , Jin Woong KIM , Gwang Hoon PARK , Kyung Yong KIM
IPC: H04N19/129 , H04N19/176 , H04N19/70 , H04N19/122 , H04N19/159 , H04N19/119 , H04N19/136 , H04N19/61 , H04N19/593 , H04N19/625 , H04N19/124 , H04N19/157 , H04N19/44
Abstract: A method and a device for encoding/decoding images are disclosed. The method for encoding images comprises the steps of: deriving a scan type of a residual signal for a current block according to whether or not the current block is a transform skip block; and applying the scan type to the residual signal for the current block, wherein the transform skip block is a block to which transform for the current block is not applied and is specified on the basis of information indicating whether or not transform for the current block is to be applied.
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公开(公告)号：US20200382786A1
公开(公告)日：2020-12-03
申请号：US16998593
申请日：2020-08-20
Applicant: Electronics and Telecommunications Research Institute , UNIVERSITY-INDUSTRY COOPERATION GROUP OF KYUNG HEE UNIVERSITY
Inventor： Hui Yong KIM , Sung Chang LIM , Jin Ho LEE , Jin Soo CHOI , Jin Woong KIM , Gwang Hoon PARK , Kyung Yong KIM
IPC: H04N19/129 , H04N19/176 , H04N19/70 , H04N19/122 , H04N19/159 , H04N19/119 , H04N19/136 , H04N19/61 , H04N19/593 , H04N19/625 , H04N19/124 , H04N19/157 , H04N19/44
Abstract: A method and a device for encoding/decoding images are disclosed. The method for encoding images comprises the steps of: deriving a scan type of a residual signal for a current block according to whether or not the current block is a transform skip block; and applying the scan type to the residual signal for the current block, wherein the transform skip block is a block to which transform for the current block is not applied and is specified on the basis of information indicating whether or not transform for the current block is to be applied.
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