公开(公告)号：US12058315B2

公开(公告)日：2024-08-06

申请号：US17905554

申请日：2021-03-04

Applicant: INTELLECTUAL DISCOVERY CO., LTD.

Inventor： Yong Jo Ahn ,  Jong Seok Lee

IPC: H04N19/132 ,  H04N19/105 ,  H04N19/117 ,  H04N19/176

CPC classification number: H04N19/105 ,  H04N19/117 ,  H04N19/132 ,  H04N19/176

Abstract: An image encoding/decoding method and device according to the present invention may comprise: acquiring information for matrix-based prediction of a current block; and generating a prediction block of the current block on the basis of the information for the matrix-based prediction.

公开(公告)号：US20240205393A1

公开(公告)日：2024-06-20

申请号：US18537375

申请日：2023-12-12

Applicant: Intellectual Discovery Co., Ltd.

Inventor： Dong Gyu SIM ,  Ho Chan Ryu ,  Yong Jo Ahn

IPC: H04N19/11 ,  H04N19/105 ,  H04N19/107 ,  H04N19/117 ,  H04N19/124 ,  H04N19/13 ,  H04N19/176 ,  H04N19/513 ,  H04N19/593 ,  H04N19/615 ,  H04N19/635 ,  H04N19/82 ,  H04N19/91

CPC classification number: H04N19/11 ,  H04N19/105 ,  H04N19/107 ,  H04N19/117 ,  H04N19/124 ,  H04N19/13 ,  H04N19/176 ,  H04N19/513 ,  H04N19/593 ,  H04N19/615 ,  H04N19/635 ,  H04N19/82 ,  H04N19/91

Abstract: A device for encoding/decoding the image according to the present invention includes an intra prediction module configured to: determine an intra prediction mode of a current block; determine a scanning order of multiple sub blocks in the current block on the basis of the determined intra prediction mode; and perform intra prediction of the current block on the basis of the determined scanning order.

公开(公告)号：US11882275B2

公开(公告)日：2024-01-23

申请号：US17747309

申请日：2022-05-18

Applicant: Intellectual Discovery Co., Ltd.

Inventor： Dong Gyu Sim ,  Ho Chan Ryu ,  Yong Jo Ahn

IPC: H04N19/11 ,  H04N19/176 ,  H04N19/107 ,  H04N19/124 ,  H04N19/91 ,  H04N19/593 ,  H04N19/105 ,  H04N19/117 ,  H04N19/615 ,  H04N19/13 ,  H04N19/635 ,  H04N19/513 ,  H04N19/82

CPC classification number: H04N19/11 ,  H04N19/105 ,  H04N19/107 ,  H04N19/117 ,  H04N19/124 ,  H04N19/13 ,  H04N19/176 ,  H04N19/513 ,  H04N19/593 ,  H04N19/615 ,  H04N19/635 ,  H04N19/82 ,  H04N19/91

Abstract: A device for encoding/decoding the image according to the present invention includes an intra prediction module configured to: determine an intra prediction mode of a current block; determine a scanning order of multiple sub blocks in the current block on the basis of the determined intra prediction mode; and perform intra prediction of the current block on the basis of the determined scanning order.

公开(公告)号：US11770539B2

公开(公告)日：2023-09-26

申请号：US17836347

申请日：2022-06-09

Applicant: INTELLECTUAL DISCOVERY CO., LTD.

Inventor： Yong Jo Ahn ,  Dong Gyu Sim ,  Ho Chan Ryu ,  Seanae Park ,  Byung Tae Oh ,  Byung Cheol Song

IPC: H04N19/159 ,  H04N19/105 ,  H04N19/593 ,  H04N19/91 ,  H04N19/513 ,  H04N19/129 ,  H04N19/82 ,  H04N19/523 ,  H04N19/157 ,  H04N19/18 ,  H04N19/13 ,  H04N19/176

CPC classification number: H04N19/159 ,  H04N19/105 ,  H04N19/129 ,  H04N19/13 ,  H04N19/157 ,  H04N19/176 ,  H04N19/18 ,  H04N19/513 ,  H04N19/523 ,  H04N19/593 ,  H04N19/82 ,  H04N19/91

Abstract: A video encoding/decoding apparatus according to the present invention acquires motion vector refinement information, performs motion compensation on the basis of a motion vector of a current block, refines the motion vector of the current block using at least one or both of the motion vector refinement information and the output of the motion compensation, and performs motion compensation using the refined motion vector.

公开(公告)号：US11729410B2

公开(公告)日：2023-08-15

申请号：US17736324

申请日：2022-05-04

Applicant: Intellectual Discovery Co., Ltd.

Inventor： Yong Jo Ahn ,  Ho Chan Ryu

IPC: H04N19/51 ,  H04N19/105 ,  H04N19/176

CPC classification number: H04N19/51 ,  H04N19/105 ,  H04N19/176

Abstract: The present invention provides an image encoding method and an image decoding method. An image decoding method according to the present invention, for decoding an image by decoder-side motion information derivation, comprises the steps of: checking, from among a plurality of motion information derivation types, the motion information derivation type applied to the current block: and deriving motion information of the current block according to the checked motion information derivation type, wherein different motion information compensation techniques are applicable according to the motion information derivation type.

公开(公告)号：US11659209B2

公开(公告)日：2023-05-23

申请号：US17484731

申请日：2021-09-24

Applicant: Intellectual Discovery Co., Ltd.

Inventor： Ho Chan Ryu ,  Yong Jo Ahn

IPC: H04N19/70 ,  H04N19/176 ,  H04N19/119 ,  H04N19/96 ,  H04N19/88 ,  H04N19/46 ,  H04N19/44 ,  H04N19/134 ,  H04N19/169

CPC classification number: H04N19/70 ,  H04N19/119 ,  H04N19/134 ,  H04N19/169 ,  H04N19/176 ,  H04N19/44 ,  H04N19/46 ,  H04N19/88 ,  H04N19/96

Abstract: A decoding method comprises the steps of: combining two or more encoding units of maximum size into a single encoding unit group; acquiring encoding data corresponding to the combined single encoding unit group; and decoding, according to a decoding order, the two or more encoding units of maximum size contained in the single encoding unit group. Also disclosed is a block partitioning structure used for encoding and decoding video.

公开(公告)号：US11388420B2

公开(公告)日：2022-07-12

申请号：US16993628

申请日：2020-08-14

Applicant: INTELLECTUAL DISCOVERY CO., LTD.

Inventor： Yong Jo Ahn ,  Dong Gyu Sim ,  Ho Chan Ryu ,  Seanae Park ,  Byung Tae Oh ,  Byung Cheol Song

IPC: H04N19/105 ,  H04N19/593 ,  H04N19/157 ,  H04N19/159 ,  H04N19/82 ,  H04N19/91 ,  H04N19/523 ,  H04N19/18 ,  H04N19/513 ,  H04N19/129 ,  H04N19/13 ,  H04N19/176

Abstract: A video encoding/decoding apparatus according to the present invention acquires motion vector refinement information, performs motion compensation on the basis of a motion vector of a current block, refines the motion vector of the current block using at least one or both of the motion vector refinement information and the output of the motion compensation, and performs motion compensation using the refined motion vector.

公开(公告)号：US11368682B2

公开(公告)日：2022-06-21

申请号：US16096704

申请日：2017-04-19

Applicant: Intellectual Discovery Co., Ltd.

Inventor： Dong Gyu Sim ,  Ho Chan Ryu ,  Yong Jo Ahn

IPC: H04N19/11 ,  H04N19/105 ,  H04N19/107 ,  H04N19/117 ,  H04N19/124 ,  H04N19/13 ,  H04N19/176 ,  H04N19/513 ,  H04N19/593 ,  H04N19/615 ,  H04N19/635 ,  H04N19/82 ,  H04N19/91

Abstract: A device for encoding/decoding the image according to the present invention includes an intra prediction module configured to: determine an intra prediction mode of a current block; determine a scanning order of multiple sub blocks in the current block on the basis of the determined intra prediction mode; and perform intra prediction of the current block on the basis of the determined scanning order.

公开(公告)号：US11064217B2

公开(公告)日：2021-07-13

申请号：US16647665

申请日：2018-09-18

Applicant: INTELLECTUAL DISCOVERY CO., LTD.

Inventor： Yong Jo Ahn ,  Ho Chan Ryu

IPC: H04N19/577 ,  H04N19/593 ,  H04N19/96 ,  H04N19/124 ,  H04N19/61 ,  H04N19/82 ,  H04N19/91

Abstract: The present invention relates to block merging according to block split among video coding techniques, and a method and an apparatus for coding and decoding a video, in which in generating and modifying a block merging list, spatial merging candidate blocks of the block merging list are changed according to a split type and order of a current coding unit.

公开(公告)号：US20200374529A1

公开(公告)日：2020-11-26

申请号：US16993628

申请日：2020-08-14

Applicant: INTELLECTUAL DISCOVERY CO., LTD.

Inventor： Yong Jo Ahn ,  Dong Gyu Sim ,  Ho Chan Ryu ,  Seanae Park ,  Byung Tae Oh ,  Byung Cheol Song

IPC: H04N19/159 ,  H04N19/105 ,  H04N19/82 ,  H04N19/593 ,  H04N19/91 ,  H04N19/523 ,  H04N19/157 ,  H04N19/18 ,  H04N19/513 ,  H04N19/129 ,  H04N19/13 ,  H04N19/176

Abstract: A video encoding/decoding apparatus according to the present invention acquires motion vector refinement information, performs motion compensation on the basis of a motion vector of a current block, refines the motion vector of the current block using at least one or both of the motion vector refinement information and the output of the motion compensation, and performs motion compensation using the refined motion vector.