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公开(公告)号：US11184609B2
公开(公告)日：2021-11-23
申请号：US16471071
申请日：2018-01-02
Inventor： Hyun Suk Ko , Sung Chang Lim , Jung Won Kang , Dong San Jun , Seung Hyun Cho , Jin Ho Lee , Ha Hyun Lee , Hui Yong Kim , Jin Soo Choi
IPC: H04N19/11 , H04N19/159 , H04N19/176 , H04N19/46
Abstract: The present invention relates to an image encoding/decoding method and apparatus. The image decoding method according to the present invention may comprise constructing N MPM lists for a current block, wherein N is equal to or greater than 1, deriving an intra prediction mode of the current block based on the N MPM lists, and performing intra prediction for the current block based on the intra prediction mode.
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公开(公告)号：US11128861B2
公开(公告)日：2021-09-21
申请号：US16099639
申请日：2017-06-15
Inventor： Hyun Suk Ko , Jin Ho Lee , Sung Chang Lim , Jung Won Kang , Ha Hyun Lee , Dong San Jun , Seung Hyun Cho , Hui Yong Kim , Jin Soo Choi
IPC: H04N19/11 , H04N19/96 , H04N19/176 , H04N19/184 , H04N19/159 , H04N19/105 , H04N19/593
Abstract: The present invention relates to an intra prediction method and apparatus. The image decoding method according to the present invention may comprise decoding information on intra prediction; and generating a prediction block by performing intra prediction for a current block based on the information on intra prediction. The information on intra prediction may include information on an intra prediction mode, and the intra prediction mode may include a curved intra prediction mode.
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公开(公告)号：US20210176481A1
公开(公告)日：2021-06-10
申请号：US17174843
申请日：2021-02-12
Inventor： Jung Won Kang , Ha Hyun Lee , Jin Soo Choi , Jin Woong Kim
IPC: H04N19/187 , H04N19/70 , H04N19/61 , H04N19/30 , H04N19/31 , H04N19/46 , H04N19/169 , H04N19/124 , H04N19/13 , H04N19/52 , H04N19/593 , H04N19/80 , H04N19/91 , H04N19/182
Abstract: The present invention relates to a decoding method for a bit stream that supports a plurality of layers. The decoding method may include receiving information on a set of video parameters that includes information on the plurality of layers, and parsing the set of video parameters to grasp information on the layers in the bit stream.
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公开(公告)号：US11032559B2
公开(公告)日：2021-06-08
申请号：US16883293
申请日：2020-05-26
Inventor： Jung Won Kang , Ha Hyun Lee , Jin Ho Lee , Jin Soo Choi , Jin Woong Kim
IPC: H04N7/12 , H04N19/33 , H04N19/597 , H04N19/30
Abstract: Disclosed is technology associated with video encoding and decoding having a structure including one or more layers (quality, spatial, and view) and technology associated with a method that predicts an higher layer signal by using one or more reference layers in encoding and decoding an higher layer. In more detail, an interlayer prediction is capable of being performed by considering a characteristic of each layer by separating a spatial and quality reference layer list constituted by spatial and quality layers to be referred at the same view as a target layer and a view reference layer list constituted by the same spatial and quality layers as a target layer in encoding and decoding encoding and decoding pictures of an higher layer in encoding and decoding encoded and decoded pictures of the higher layer to improve encoding and decoding efficiency.
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公开(公告)号：US10924742B2
公开(公告)日：2021-02-16
申请号：US16589276
申请日：2019-10-01
Inventor： Sung Chang Lim , Hui Yong Kim , Jin Ho Lee , Jin Soo Choi , Jin Woong Kim
IPC: H04N19/126 , H04N19/176 , H04N19/70 , H04N19/129 , H04N19/61 , H04N19/463 , H04N19/18 , H04N19/44 , H04N19/60 , H04N19/96
Abstract: A method and a device for encoding/decoding an image are disclosed. The method for decoding an image comprises the steps of: decoding information on a quantization matrix; and restoring the quantization matrix on the basis of the information on the quantization matrix, wherein the information on the quantization matrix includes information indicating a DC value of the quantization matrix and/or information indicating differential values of quantization matrix coefficients.
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Patent Agency Ranking
36.发明授权公开(公告)号：US10911756B2
公开(公告)日：2021-02-02
申请号：US16342310
申请日：2017-10-23
Applicant: ELECTRONICS AND TELECOMMUNICATIONS RESEARCH INSTITUTE , INDUSTRY-UNIVERSITY COOPERATION FOUNDATION KOREA AEROSPACE UNIVERSITY , HANBAT NATIONAL UNIVERSITY INDUSTRY—ACADEMIC COOPERATION FOUNDATION
Inventor： Jin Ho Lee , Jung Won Kang , Hyun Suk Ko , Sung Chang Lim , Ha Hyun Lee , Dong San Jun , Seung Hyun Cho , Hui Yong Kim , Hae Chul Choi , Aram Back , Jin Soo Choi , Jae Gon Kim
IPC: H04N19/46 , H04N19/176 , H04N19/119 , H04N19/105 , H04N19/186
Abstract: An image encoding/decoding method and apparatus are provided. An image decoding method performed by an image decoding apparatus of the present invention may comprise decoding an indicator indicating whether or not partition information of a current block is derived from partition information of a corresponding block of the current block, obtaining the partition information of the current block based on the decoded indicator, and partitioning the current block based on the obtained partition information.
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公开(公告)号：US10819991B2
公开(公告)日：2020-10-27
申请号：US16166712
申请日：2018-10-22
Applicant: Electronics and Telecommunications Research Institute , KWANGWOON UNIVERSITY INDUSTRY-ACADEMIC COLLABORATION FOUNDATION
Inventor： Ha Hyun Lee , Jung Won Kang , Jin Soo Choi , Jin Woong Kim , Dong Gyu Sim , Hyo Min Choi , Jung Hak Nam
IPC: H04N19/11 , H04N19/30 , H04N19/176 , H04N19/187 , H04N19/33 , H04N19/503 , H04N19/59 , H04N19/103 , H04N19/36
Abstract: The present invention relates to a method and an apparatus for interlayer prediction, and the method for interlayer prediction, according to the present invention, comprises the steps of: deciding whether to apply an interlayer prediction to an enhancement layer; and performing a prediction on a current block of the enhancement layer based on reference information that is generalized and generated from a reference picture, which is decoded, of a reference layer, when the interlayer prediction is applied, wherein the reference layer information can be encoding information of a reference block, which corresponds to a current block of the enhancement layer, from the reference layer, and residual information.
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公开(公告)号：US10757444B2
公开(公告)日：2020-08-25
申请号：US16133303
申请日：2018-09-17
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 , H04N19/503 , H04N19/176 , H04N19/513 , H04N19/593 , H04N19/109 , H04N19/52 , H04N19/119 , H04N19/61 , H04N19/107 , H04N19/82
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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公开(公告)号：US10757443B2
公开(公告)日：2020-08-25
申请号：US16133133
申请日：2018-09-17
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 , H04N19/503 , H04N19/176 , H04N19/513 , H04N19/593 , H04N19/109 , H04N19/52 , H04N19/119 , H04N19/61 , H04N19/107 , H04N19/82
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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公开(公告)号：US10735752B2
公开(公告)日：2020-08-04
申请号：US15997106
申请日：2018-06-04
Inventor： Jung Won Kang , Ha Hyun Lee , Jin Ho Lee , Jin Soo Choi , Jin Woong Kim
IPC: H04N7/12 , H04N19/33 , H04N19/597 , H04N19/30
Abstract: Disclosed is technology associated with video encoding and decoding having a structure including one or more layers (quality, spatial, and view) and technology associated with a method that predicts an higher layer signal by using one or more reference layers in encoding and decoding an higher layer. In more detail, an interlayer prediction is capable of being performed by considering a characteristic of each layer by separating a spatial and quality reference layer list constituted by spatial and quality layers to be referred at the same view as a target layer and a view reference layer list constituted by the same spatial and quality layers as a target layer in encoding and decoding encoding and decoding pictures of an higher layer in encoding and decoding encoded and decoded pictures of the higher layer to improve encoding and decoding efficiency.
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