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公开(公告)号:US20240022730A1
公开(公告)日:2024-01-18
申请号:US18476044
申请日:2023-09-27
Applicant: INTELLECTUAL DISCOVERY CO., LTD.
Inventor: Bae Keun LEE , Dong San JUN
IPC: H04N19/139 , H04N19/176 , H04N19/46 , H04N19/513
CPC classification number: H04N19/139 , H04N19/176 , H04N19/46 , H04N19/513
Abstract: The image encoding/decoding method and device according to the present invention can construct a merge candidate list of a current block, derive motion information of the current block on the basis of the merge candidate list and a merge index of the current block, derive a motion vector difference of the current block, correct a motion vector of the current block by means of the motion vector difference, and carry out motion compensation on the current block by means of the corrected motion vector.
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公开(公告)号:US20220070468A1
公开(公告)日:2022-03-03
申请号:US17418540
申请日:2019-12-27
Applicant: INTELLECTUAL DISCOVERY CO., LTD.
Inventor: Bae Keun LEE , Dong San JUN
IPC: H04N19/139 , H04N19/176 , H04N19/513 , H04N19/46
Abstract: The image encoding/decoding method and device according to the present invention can construct a merge candidate list of a current block, derive motion information of the current block on the basis of the merge candidate list and a merge index of the current block, derive a motion vector difference of the current block, correct a motion vector of the current block by means of the motion vector difference, and carry out motion compensation on the current block by means of the corrected motion vector.
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公开(公告)号:US20220070452A1
公开(公告)日:2022-03-03
申请号:US17418583
申请日:2019-12-27
Applicant: INTELLECTUAL DISCOVERY CO., LTD.
Inventor: Bae Keun LEE , Dong San JUN
IPC: H04N19/11 , H04N19/176 , H04N19/186 , H04N19/105
Abstract: The video encoding/decoding method and device according to the present invention can determine an intra prediction mode of a chroma block, specify a luminance area for inter-component reference of the chroma block, downsample the specified luminance area, derive parameters for the inter-component reference of the chroma block, apply the parameters to the downsampled luminance area, and thereby predict the chroma block.
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公开(公告)号:US20230109828A1
公开(公告)日:2023-04-13
申请号:US18051475
申请日:2022-10-31
Applicant: INTELLECTUAL DISCOVERY CO., LTD.
Inventor: Bae Keun LEE , Dong San JUN
IPC: H04N19/593 , H04N19/105 , H04N19/11 , H04N19/119 , H04N19/122 , H04N19/132 , H04N19/176
Abstract: Image encoding/decoding methods and apparatuses according to the present invention may generate a prediction block of a current block based on a pre-defined prediction mode, generate a transform block of the current block through predetermined transformation, and reconstruct the current block based on the prediction block and the transform block.
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公开(公告)号:US20240291973A1
公开(公告)日:2024-08-29
申请号:US18652697
申请日:2024-05-01
Applicant: INTELLECTUAL DISCOVERY CO., LTD.
Inventor: Bae Keun LEE , Dong San JUN
IPC: H04N19/11 , H04N19/105 , H04N19/176 , H04N19/186
CPC classification number: H04N19/11 , H04N19/105 , H04N19/176 , H04N19/186
Abstract: The video encoding/decoding method and device according to the present invention can determine an intra prediction mode of a chroma block, specify a luminance area for inter-component reference of the chroma block, downsample the specified luminance area, derive parameters for the inter-component reference of the chroma block, apply the parameters to the downsampled luminance area, and thereby predict the chroma block.
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公开(公告)号:US20240163474A1
公开(公告)日:2024-05-16
申请号:US18421750
申请日:2024-01-24
Applicant: INTELLECTUAL DISCOVERY CO., LTD.
Inventor: Bae Keun LEE , Dong San JUN
IPC: H04N19/593 , H04N19/105 , H04N19/11 , H04N19/119 , H04N19/122 , H04N19/132 , H04N19/176
CPC classification number: H04N19/593 , H04N19/105 , H04N19/11 , H04N19/119 , H04N19/122 , H04N19/132 , H04N19/176 , H04N19/129
Abstract: Image encoding/decoding methods and apparatuses according to the present invention may generate a prediction block of a current block based on a pre-defined prediction mode, generate a transform block of the current block through predetermined transformation, and reconstruct the current block based on the prediction block and the transform block.
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公开(公告)号:US20220174287A1
公开(公告)日:2022-06-02
申请号:US17440248
申请日:2020-03-26
Applicant: INTELLECTUAL DISCOVERY CO., LTD.
Inventor: Bae Keun LEE
IPC: H04N19/137 , H04N19/513 , H04N19/159 , H04N19/176
Abstract: An image encoding/decoding method and apparatus according to the present invention may generate a prediction block of a current block on the basis of a pre-defined prediction mode, generate a residual block of the current block on the basis of a predetermined transformation type, and reconstruct the current block on the basis of the prediction block and the residual block.
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公开(公告)号:US20250039396A1
公开(公告)日:2025-01-30
申请号:US18913571
申请日:2024-10-11
Applicant: INTELLECTUAL DISCOVERY CO., LTD.
Inventor: Bae Keun LEE
IPC: H04N19/137 , H04N19/159 , H04N19/176 , H04N19/513
Abstract: An image encoding/decoding method and apparatus according to the present invention may generate a prediction block of a current block on the basis of a pre-defined prediction mode, generate a residual block of the current block on the basis of a predetermined transformation type, and reconstruct the current block on the basis of the prediction block and the residual block.
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公开(公告)号:US20240297994A1
公开(公告)日:2024-09-05
申请号:US18651530
申请日:2024-04-30
Applicant: INTELLECTUAL DISCOVERY CO., LTD.
Inventor: Bae Keun LEE , Dong San JUN
IPC: H04N19/119 , G06V10/20 , G16H30/40 , G16H70/60 , H04N19/105 , H04N19/137 , H04N19/159 , H04N19/176 , H04W4/80
CPC classification number: H04N19/119 , G06V10/255 , G16H30/40 , G16H70/60 , H04N19/105 , H04N19/137 , H04N19/159 , H04N19/176 , H04W4/80 , G06F2218/10
Abstract: A video signal encoding/decoding method and apparatus according to the present invention divide a current block into two prediction units, construct a list of merge candidates for the current block, derive motion information of the current block using a merge candidate index and the list of merge candidates of the current block, and perform inter-prediction of the current block using the derived motion information.
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