公开(公告)号：US12132909B2

公开(公告)日：2024-10-29

申请号：US17440248

申请日：2020-03-26

Applicant: INTELLECTUAL DISCOVERY CO., LTD.

Inventor： Bae Keun Lee

IPC: H04N19/137 ,  H04N19/159 ,  H04N19/176 ,  H04N19/513

CPC classification number: 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.

公开(公告)号：US11516507B2

公开(公告)日：2022-11-29

申请号：US17283130

申请日：2019-10-11

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 ,  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.

公开(公告)号：US11812031B2

公开(公告)日：2023-11-07

申请号：US17418540

申请日：2019-12-27

Applicant: INTELLECTUAL DISCOVERY CO., LTD.

Inventor： Bae Keun Lee ,  Dong San Jun

IPC: H04N7/12 ,  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.

公开(公告)号：US12010299B2

公开(公告)日：2024-06-11

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 ,  H04N19/105 ,  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.

公开(公告)号：US12010304B2

公开(公告)日：2024-06-11

申请号：US17418629

申请日：2019-12-27

Applicant: INTELLECTUAL DISCOVERY CO., LTD.

Inventor： Bae Keun Lee ,  Dong San Jun

IPC: H04N19/119 ,  H04N19/105 ,  H04N19/137 ,  H04N19/159 ,  H04N19/176

CPC classification number: H04N19/119 ,  H04N19/105 ,  H04N19/137 ,  H04N19/159 ,  H04N19/176

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.

公开(公告)号：US11917199B2

公开(公告)日：2024-02-27

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 ,  H04N19/129 ,  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.