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公开(公告)号：US20160182905A1
公开(公告)日：2016-06-23
申请号：US15055150
申请日：2016-02-26
Inventor： Ha Hyun LEE , Hui Yong KIM , Sung Chang LIM , Jong Ho KIM , Jin Ho LEE , Se Yoon JEONG , Suk Hee CHO , Jin Soo CHOI , Jin Woong KIM , Chie Teuk AHN
IPC: H04N19/11 , H04N19/176 , H04N19/513 , H04N19/137
CPC classification number: H04N19/107 , H04N19/105 , H04N19/109 , H04N19/11 , H04N19/13 , H04N19/137 , H04N19/157 , H04N19/159 , H04N19/176 , H04N19/1887 , H04N19/196 , H04N19/50 , H04N19/52 , H04N19/521 , H04N19/593 , H04N19/61 , H04N19/70 , H04N19/91
Abstract: An intra prediction method according to the present invention comprises the following steps: deriving neighboring prediction mode information from a left neighboring prediction mode and a top neighboring prediction mode; deriving an intra prediction mode for a target unit to be decoded, using the derived neighboring prediction mode information; and performing intra prediction for the target unit to be decoded, based on the intra prediction mode. According to the present invention, video encoding/decoding efficiency may be improved.
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公开(公告)号：US20150078453A1
公开(公告)日：2015-03-19
申请号：US14553664
申请日：2014-11-25
Inventor： Hae-Chul CHOI , Se Yoon JEONG , Sukhee CHO , Hui Yong KIM , Jinho LEE , Hahyun LEE , Sung-Chang LIM , Jongho KIM , Jin Soo CHOI , Jin Woo HONG , Jin Woong KIM
IPC: H04N19/513
CPC classification number: H04N19/52 , H04N19/172 , H04N19/176 , H04N19/513
Abstract: Provided is an image encoding/decoding apparatus and method. The image encoding apparatus may include a motion vector prediction unit to perform a prediction with respect to an arbitrary motion vector of a current block within an image, using at least one of vector information of a motion vector corresponding to an adjacent block and vector information of a previous motion vector of the current block, and a differential determination unit to determine differential information of a motion vector of the current block based on the motion vector predicted in the
Abstract translation: 提供了一种图像编码/解码装置和方法。 图像编码装置可以包括运动矢量预测单元，使用与相邻块对应的运动矢量的矢量信息和矢量信息中的至少一个来执行关于图像内的当前块的任意运动矢量的预测， 当前块的先前运动矢量，以及差分确定单元，用于基于在当前块中预测的运动矢量来确定当前块的运动矢量的差分信息
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283.发明申请公开(公告)号：US20250126246A1
公开(公告)日：2025-04-17
申请号：US18999634
申请日：2024-12-23
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
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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公开(公告)号：US20250097431A1
公开(公告)日：2025-03-20
申请号：US18910820
申请日：2024-10-09
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 , H04N19/126 , H04N19/13 , H04N19/176 , H04N19/50 , H04N19/593
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：US20250071264A1
公开(公告)日：2025-02-27
申请号：US18944404
申请日：2024-11-12
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 , H04N19/11 , H04N19/157 , H04N19/176 , H04N19/46 , H04N19/503 , H04N19/593
Abstract: Provided are an imaging 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 parameter.
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Patent Agency Ranking
286.发明申请公开(公告)号：US20250055985A1
公开(公告)日：2025-02-13
申请号：US18930747
申请日：2024-10-29
Inventor： Jin Ho LEE , Jung Won KANG , Ha Hyun LEE , Sung Chang LIM , Hui Yong KIM
IPC: H04N19/11 , H04N19/105 , H04N19/117 , H04N19/176 , H04N19/593
Abstract: An image encoding/decoding method is disclosed. An image decoding method of the present invention may comprise deriving an intra-prediction mode of a current block by using an intra-prediction mode of a neighbor block adjacent to the current block, configuring a reference sample of the current block, and performing intra-prediction on the current block by using the intra-prediction mode and the reference sample, wherein when the intra-prediction mode of the neighbor block is unavailable, the intra-prediction mode of the neighbor block may be replaced with a planar mode.
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公开(公告)号：US20250055984A1
公开(公告)日：2025-02-13
申请号：US18929949
申请日：2024-10-29
Inventor： Jin Ho LEE , Hui Yong KIM , Sung Chang LIM , Jin Soo CHOI , Jin Woong KIM
IPC: H04N19/11 , H04N19/107 , H04N19/176 , H04N19/184 , H04N19/44 , H04N19/91
Abstract: An image decoding method, according to the present invention, includes the steps of: deriving an MPM candidate mode from neighboring blocks adjacent to a target block to be decoded; generating an MPM list using the MPM candidate mode derived from the neighboring blocks; and deriving an intra prediction mode for the target block to be decoded using the generated MPM list. According to the present invention, image compression efficiency can be improved.
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公开(公告)号：US20250039406A1
公开(公告)日：2025-01-30
申请号：US18915680
申请日：2024-10-15
Inventor： Jin Ho LEE , Hui Yong KIM , Sung Chang LIM , Jong Ho KIM , Ha Hyun LEE , Se Yoon JEONG , Suk Hee CHO , Jin Soo CHOI , Jin Woong KIM , Chie Teuk AHN
IPC: H04N19/159 , H04N19/105 , H04N19/117 , H04N19/126 , H04N19/13 , H04N19/176 , H04N19/182 , H04N19/43 , H04N19/50 , H04N19/593 , H04N19/61
Abstract: An intra prediction method according to the present invention comprises the following steps: performing a directional prediction using at least one of a neighboring pixel of a current block and a left upper corner pixel positioned at a left upper corner of the current block so as to obtain a first prediction value for the current block; obtaining a second prediction value for the current block using the reference sample positioned in the current block; and weighted summing the first prediction value and the second prediction value using a weighting matrix so as to obtain a final prediction value for the current block. According to the present invention, image encoding/decoding efficiency may be improved.
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公开(公告)号：US20250024073A1
公开(公告)日：2025-01-16
申请号：US18785321
申请日：2024-07-26
Inventor： Jin Ho LEE , Hui Yong KIM , Se Yoon JEONG , Suk Hee CHO , Ha Hyun LEE , Jong Ho KIM , Sung Chang LIM , Jin Soo CHOI , Jin Woong KIM , Chie Teuk AHN
IPC: H04N19/593 , H04N19/105 , H04N19/117 , H04N19/136 , H04N19/147 , H04N19/157 , H04N19/176 , H04N19/182 , H04N19/44 , H04N19/82
Abstract: Provided is a method for performing intra-prediction, using an adaptive filter. The method for performing intra-prediction includes the steps of: determining whether or not to apply a first filter for a reference pixel value on the basis of information of a neighboring block of a current block; applying the first filter for the reference pixel value when it is determined to apply to the first filter; performing intra-prediction on the current block on the basis of the reference pixel value; determining whether or not to apply a second filter for a prediction value according to each prediction mode of the current block, which is predicted by the intra-prediction performance on the basis of the information of the neighboring blocks; and applying the second filter for the prediction value according to each prediction mode of the current block when it is determined to apply to the second filter.
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公开(公告)号：US20250016332A1
公开(公告)日：2025-01-09
申请号：US18890884
申请日：2024-09-20
Applicant: Electronics and Telecommunications Research Institute , University-Industry Cooperation Group of Kyung Hee University
Inventor： Hui Yong KIM , Gwang Hoon PARK , Kyung Yong KIM , Sung Chang LIM , Jin Ho LEE , Jin Soo CHOI , Jin Woong KIM
IPC: H04N19/159 , H04N19/105 , H04N19/109 , H04N19/117 , H04N19/124 , H04N19/13 , H04N19/139 , H04N19/15 , H04N19/176 , H04N19/52 , H04N19/61
Abstract: An inter-prediction method according to the present invention comprises the steps of: deriving motion information of a current block; and generating a prediction block for the current block on the basis of the derived motion information. According to the present invention, computational complexity can be reduced and encoding efficiency can be improved.
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