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141.发明公开公开(公告)号：US20240153198A1
公开(公告)日：2024-05-09
申请号：US18484181
申请日：2023-10-10
Inventor： Seong Jun BAE , Jung Won KANG , Soo Woong KIM , Ji Hoon DO , Gun BANG , Jin Ho LEE , Ha Hyun LEE
IPC: G06T15/20
CPC classification number: G06T15/20 , G06T2210/56
Abstract: The present invention relates to a method and apparatus for filling a blank area of MPI view plane based on a pixel ray path. A method for generating multi plane image (MPI) data according to an embodiment of the present disclosure may comprise: calculating a pixel value according to each view for each photographed object, based on a plurality of input images photographed from a plurality of views; generating a view plane at a specific point by recording the calculated pixel value on one MPI layer determined based on the spatial position of the corresponding photographed object among a plurality of MPI layers; and generating MPI data by additionally recording the pixel value for the view.
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公开(公告)号：US20240064299A1
公开(公告)日：2024-02-22
申请号：US18499965
申请日：2023-11-01
Inventor： Jin Ho LEE , Jung Won KANG , Ha Hyun LEE , Jin Soo CHOI , Jin Woong KIM
IPC: H04N19/117 , H04N19/176 , H04N19/30 , H04N19/14 , H04N19/80 , H04N19/105 , H04N19/124 , H04N19/13 , H04N19/159 , H04N19/51 , H04N19/61
CPC classification number: H04N19/117 , H04N19/176 , H04N19/30 , H04N19/14 , H04N19/80 , H04N19/105 , H04N19/124 , H04N19/13 , H04N19/159 , H04N19/51 , H04N19/61 , H04N19/172
Abstract: A video decoding method according to an embodiment of the present invention may include determining a type of a filter to be applied to a first-layer picture which a second-layer picture as a decoding target refers to; determining a filtering target of the first-layer picture to which the filter is applied; filtering the filtering target based on the type of the filter; and adding the filtered first-layer picture to a second-layer reference picture list. Accordingly, the video decoding method and an apparatus using the same may reduce a prediction error in an upper layer and enhance encoding efficiency.
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143.发明公开公开(公告)号：US20240056602A1
公开(公告)日：2024-02-15
申请号：US18493577
申请日：2023-10-24
Inventor： Sung Chang LIM , Jung Won KANG , Ha Hyun LEE , Jin Ho LEE , Hui Yong KIM , Dae Yeon KIM , Dong Jin PARK , Myoung Hun JANG , Wook Je JEONG
IPC: H04N19/57 , H04N19/119 , H04N19/176 , H04N19/184 , H04N19/52
CPC classification number: H04N19/57 , H04N19/119 , H04N19/176 , H04N19/184 , H04N19/52
Abstract: There is provided an image encoding/decoding method and apparatus. The image decoding method comprises decoding information on whether or not to perform motion information refinement from a bitstream, obtaining second motion information for first motion information on a current block on the basis of the information and reconstructing at least one of the current block and a neighboring block of the current block by using at least one of the first motion information and the second motion information.
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公开(公告)号：US20240056587A1
公开(公告)日：2024-02-15
申请号：US18492046
申请日：2023-10-23
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: H04N19/30 , H04N19/11 , H04N19/176 , H04N19/187 , H04N19/33 , H04N19/503
CPC classification number: H04N19/30 , H04N19/11 , H04N19/176 , H04N19/187 , H04N19/33 , H04N19/503 , H04N19/59
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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145.发明公开公开(公告)号：US20240040114A1
公开(公告)日：2024-02-01
申请号：US18482863
申请日：2023-10-07
Applicant: ELECTRONICS AND TELECOMMUNICATIONS RESEARCH INSTITUTE , CHIPS&MEDIA,INC , INDUSTRY ACADEMY COOPERATION FOUNDATION OF SEJONG UNIVERSITY
Inventor： Jin Ho LEE , Jung Won KANG , Ha Hyun LEE , Sung Chang LIM , Hui Yong KIM , Dae Yeon KIM , Yung Lyul LEE
IPC: H04N19/11 , H04N19/176 , H04N19/18 , H04N19/46 , H04N19/593
CPC classification number: H04N19/11 , H04N19/176 , H04N19/18 , H04N19/46 , H04N19/593
Abstract: The present invention relates to an image encoding/decoding method and apparatus. The image decoding method according to the present invention may comprise acquiring transform coefficients distribution information of a neighboring block from a bitstream; direction-adaptively determining an intra prediction mode of a current block to be decoded, according to the transform coefficients distribution information of the neighboring block; and reconstructing the current block, based on the determined intra prediction mode, wherein the direction-adaptively determining includes determining similarity flag information corresponding to the neighboring block, based on the transform coefficients distribution information of the neighboring block.
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Patent Agency Ranking
公开(公告)号：US20240022715A1
公开(公告)日：2024-01-18
申请号：US18475786
申请日：2023-09-27
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
CPC classification number: 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：US20240022714A1
公开(公告)日：2024-01-18
申请号：US18475768
申请日：2023-09-27
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
CPC classification number: 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：US20240015293A1
公开(公告)日：2024-01-11
申请号：US18472473
申请日：2023-09-22
Inventor： Sung Chang LIM , Hyun Suk KO , Jung Won KANG , Jin Ho LEE , Ha Hyun LEE , Dong San JUN , Hui Yong KIM
IPC: H04N19/12 , H04N19/167 , H04N19/176 , H04N19/18
CPC classification number: H04N19/12 , H04N19/167 , H04N19/176 , H04N19/18
Abstract: The present invention relates to an image encoding and decoding method. An image decoding method for the same may include: obtaining transform coefficients of a current block from a bitstream; determining a scanning unit and a scanning order of the current block; and rearranging the transform coefficients of the current block by scanning the same base on the determined scanning unit and scanning order.
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149.发明公开公开(公告)号：US20230344993A1
公开(公告)日：2023-10-26
申请号：US18344160
申请日：2023-06-29
Inventor： Seung Hyun CHO , Jung Won KANG , Sung Chang LIM , Hyun Suk KO , Dong San JUN , Jin Ho LEE , Ha Hyun LEE , Hui Yong KIM , Jin Soo CHOI
IPC: H04N19/11 , H04N19/105 , H04N19/176 , H04N19/96 , H04N19/119
CPC classification number: H04N19/11 , H04N19/105 , H04N19/119 , H04N19/176 , H04N19/96
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, determining whether or not a left boundary or an upper boundary of the current block is a boundary of a predetermined image region, configuring a reference sample by using at least one reconstructed sample included in at least one reconstructed sample line adjacent to the current block based on the determination result, and performing intra-prediction for the current block based on the intra-prediction mode and the reference sample.
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150.发明公开公开(公告)号：US20230231995A1
公开(公告)日：2023-07-20
申请号：US18185899
申请日：2023-03-17
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 , H04N19/119 , H04N19/176
CPC classification number: H04N19/11 , H04N19/119 , H04N19/176
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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