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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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242.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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Patent Agency Ranking
公开(公告)号：US20200344490A1
公开(公告)日：2020-10-29
申请号：US16927003
申请日：2020-07-13
Applicant: Electronics and Telecommunications Research Institute , Industry-University Cooperation Foundation Korea Aerospace University
Inventor： Sung Chang LIM , Hui Yong KIM , Jin Ho LEE , Jin Soo CHOI , Jin Woong KIM , Jae Gon KIM , Sang Yong LEE , Un Ki PARK
IPC: H04N19/56 , H04N19/70 , H04N19/52 , H04N19/13 , H04N19/593 , H04N19/513
Abstract: Disclosed are a method for inducing a prediction motion vector and an apparatus using the same. An image decoding method can include: a step of determining the information related to a plurality of spatial candidate prediction motion vectors from peripheral predicted blocks of a predicted target block; and a step of determining the information related to temporal candidate prediction motion vectors on the basis of the information related to the plurality of spatial candidate prediction motion vectors. Accordingly, the present invention can reduce complexity and can enhance coding efficiency when inducing the optimum prediction motion vector.
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247.发明申请公开(公告)号：US20200302949A1
公开(公告)日：2020-09-24
申请号：US16562110
申请日：2019-09-05
Inventor： Young Ho JEONG , Sang Won SUH , Tae Jin LEE , Woo-taek LIM , Hui Yong KIM
Abstract: Provided is a sound event recognition method that may improve a sound event recognition performance using a correlation between difference sound signal feature parameters based on a neural network, in detail, that may extract a sound signal feature parameter from a sound signal including a sound event, and recognize the sound event included in the sound signal by applying a convolutional neural network (CNN) trained using the sound signal feature parameter.
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公开(公告)号：US20200288150A1
公开(公告)日：2020-09-10
申请号：US16758121
申请日：2018-10-26
Inventor： Dong San JUN , Ha Hyun LEE , Jung Won KANG , Hyun Suk KO , Sung Chang LIM , Jin Ho LEE , Hui Yong KIM
IPC: H04N19/176 , H04N19/119 , H04N19/159 , H04N19/44
Abstract: The present invention relates to a video encoding/decoding method and apparatus. The video decoding method according to the present invention may comprise dividing a coding unit into a plurality of sub-units according to a block division structure and performing decoding based on the sub-unit, wherein the block division structure is a block division structure in which division is performed so as to include at least one sub-unit having a predetermined block form other than square and rectangle forms.
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249.发明申请公开(公告)号：US20200252638A1
公开(公告)日：2020-08-06
申请号：US16857758
申请日：2020-04-24
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
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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公开(公告)号：US20200177912A1
公开(公告)日：2020-06-04
申请号：US16781438
申请日：2020-02-04
Applicant: ELECTRONICS AND TELECOMMUNICATIONS RESEARCH INSTITUTE , University-Industry Cooperation Group of Kyung Hee University
Inventor： Hui Yong KIM , Gwang Hoon PARK , Kyung Yong KIM , Sang Min KIM , Sung Chang LIM , Jin Ho LEE , Jin Soo CHOI , Jin Woong KIM
IPC: H04N19/577 , H04N19/52 , H04N19/109 , H04N19/593 , H04N19/513 , H04N19/176 , H04N19/503
Abstract: According to the present invention, an image encoding apparatus comprises: a motion prediction unit which derives motion information on a current block in the form of the motion information including L0 motion information and L1 motion information; a motion compensation unit which performs a motion compensation for the current block on the basis of at least one of the L0 motion information and L1 motion information so as to generate a prediction block corresponding to the current block; and a restoration block generating unit which generates a restoration block corresponding to the current block based on the prediction block. According to the present invention, image encoding efficiency can be improved.
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