公开(公告)号：US20170302940A1

公开(公告)日：2017-10-19

申请号：US15643021

申请日：2017-07-06

Applicant: INTELLECTUAL DISCOVERY CO., LTD.

Inventor： Dong Gyu SIM ,  Jung Hak NAM ,  Hyun Ho JO ,  Hyo Min CHOI

IPC: H04N19/30 ,  H04N19/176 ,  H04N19/105 ,  H04N19/159 ,  H04N19/53 ,  H04N19/52

CPC classification number: H04N19/30 ,  H04N19/105 ,  H04N19/159 ,  H04N19/176 ,  H04N19/52 ,  H04N19/53

Abstract: The present invention relates to a scalable video coding method and apparatus using inter prediction mode. A decoding method includes determining motion information prediction mode on a target decoding block of an enhancement layer, predicting motion information on the target decoding block of the enhancement layer using motion information on the neighboring blocks of the enhancement layer, if the determined motion information prediction mode is a first mode, and predicting the motion information on the target decoding block of the enhancement layer using motion information on a corresponding block of a reference layer, if the determined motion information prediction mode is a second mode.

公开(公告)号：US20250024071A1

公开(公告)日：2025-01-16

申请号：US18351841

申请日：2023-07-13

Applicant: INTELLECTUAL DISCOVERY CO., LTD.

Inventor： Yong Jo AHN ,  Dong Gyu SIM ,  Ho Chan RYU ,  Seanae PARK ,  Byung Tae OH ,  Byung Cheol SONG

IPC: H04N19/593 ,  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：US20220279175A1

公开(公告)日：2022-09-01

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

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：US20190089961A1

公开(公告)日：2019-03-21

申请号：US16087787

申请日：2017-03-22

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 ,  H04N19/129 ,  H04N19/513 ,  H04N19/105 ,  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：US20170318306A1

公开(公告)日：2017-11-02

申请号：US15654771

申请日：2017-07-20

Applicant: Intellectual Discovery Co., Ltd.

Inventor： Dong Gyu SIM ,  Jung Hak NAM ,  Hyun Ho JO ,  Hyo Min CHOI

IPC: H04N19/503 ,  H04N19/30 ,  H04N19/176 ,  H04N19/172 ,  H04N19/13 ,  H04N19/124 ,  H04N19/117 ,  H04N19/44 ,  H04N19/11

CPC classification number: H04N19/503 ,  H04N19/11 ,  H04N19/117 ,  H04N19/124 ,  H04N19/13 ,  H04N19/172 ,  H04N19/176 ,  H04N19/30 ,  H04N19/44

Abstract: The present invention relates to a scalable video coding method and apparatus using an intra prediction mode. A decoding method includes configuring a maximum probability mode set for predicting an intra prediction mode for a target decoding block of an enhancement layer so that the maximum probability mode set includes an intra prediction mode for a corresponding block of a reference layer and restoring the target decoding block of the enhancement layer using any one of intra prediction modes included in the maximum probability mode set.

公开(公告)号：US20150117522A1

公开(公告)日：2015-04-30

申请号：US14585946

申请日：2014-12-30

Applicant: INTELLECTUAL DISCOVERY CO., LTD.

Inventor： Dong Gyu SIM ,  Jung Hak NAM ,  Hyung Ho JO

IPC: H04N19/126 ,  H04N19/176 ,  H04N19/50

CPC classification number: H04N19/126 ,  H04N19/176 ,  H04N19/463 ,  H04N19/50 ,  H04N19/593 ,  H04N19/70 ,  H04N19/96

Abstract: Disclosed are an apparatus and a method of encoding/decoding a video, particularly a method and an apparatus for storing a quantization parameter differential value in a largest coding unit (LCU) based on quadtree splitting and adaptively predicting a quantization parameter value based on context information on neighboring CUs. Quadtree-based quantization parameter encoding and decoding methods and apparatuses effectively show information on a block having a quantization parameter differential value based on splitting information on a CU and adaptively predict a quantization parameter value using context information including a block size, block partition and a quantization parameter of a neighboring CU.

Abstract translation: 公开了一种对视频进行编码/解码的装置和方法，特别是一种基于四叉树分割在最大编码单元（LCU）中存储量化参数差分值的方法和装置，并且基于上下文信息自适应地预测量化参数值 在相邻的CU上。 基于四叉树的量化参数编码和解码方法和装置基于CU上的分割信息有效地显示具有量化参数差分值的块的信息，并且使用包括块大小，块分区和量化的上下文信息来自适应地预测量化参数值 相邻CU的参数。

公开(公告)号：US20230362365A1

公开(公告)日：2023-11-09

申请号：US18351775

申请日：2023-07-13

Applicant: Intellectual Discovery Co., Ltd.

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

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

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

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：US20230353757A1

公开(公告)日：2023-11-02

申请号：US18350040

申请日：2023-07-11

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 ,  H04N19/523 ,  H04N19/513 ,  H04N19/13 ,  H04N19/82 ,  H04N19/157 ,  H04N19/18 ,  H04N19/129 ,  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：US20170134743A1

公开(公告)日：2017-05-11

申请号：US15127503

申请日：2015-01-19

Applicant: INTELLECTUAL DISCOVERY CO., LTD.

Inventor： Dong Gyu SIM ,  Yong Jo AHN ,  Woong LIM

IPC: H04N19/503 ,  H04N19/44 ,  H04N19/176 ,  H04N19/124

CPC classification number: H04N19/503 ,  H04N19/124 ,  H04N19/17 ,  H04N19/176 ,  H04N19/44

Abstract: An apparatus and a method for decoding an image are disclosed. More specifically, the apparatus for decoding an image, according to one embodiment of the present invention, comprises an adaptive inverse-quantization unit for performing inverse-quantization on a block to be decoded, by using scaling list information set with respect to one region including the block to be decoded within an image among the scaling list information which is separately set in each partitioned region of the image.

公开(公告)号：US20160191930A1

公开(公告)日：2016-06-30

申请号：US15066477

申请日：2016-03-10

Applicant: INTELLECTUAL DISCOVERY CO., LTD.

Inventor： Dong Gyu SIM ,  Jung Hak NAM ,  Hyun Ho JO ,  Hyo Min CHOI

IPC: H04N19/30 ,  H04N19/53 ,  H04N19/159 ,  H04N19/176 ,  H04N19/52 ,  H04N19/105

CPC classification number: H04N19/30 ,  H04N19/105 ,  H04N19/159 ,  H04N19/176 ,  H04N19/52 ,  H04N19/53

Abstract: The present invention relates to a scalable video coding method and apparatus using inter prediction mode. A decoding method includes determining motion information prediction mode on a target decoding block of an enhancement layer, predicting motion information on the target decoding block of the enhancement layer using motion information on the neighboring blocks of the enhancement layer, if the determined motion information prediction mode is a first mode, and predicting the motion information on the target decoding block of the enhancement layer using motion information on a corresponding block of a reference layer, if the determined motion information prediction mode is a second mode.