公开(公告)号：US12069258B2

公开(公告)日：2024-08-20

申请号：US17876620

申请日：2022-07-29

申请人： Electronics and Telecommunications Research Institute ,  INDUSTRY-UNIVERSITY COOPERATION FOUNDATION OF KOREA AEROSPACE UNIVERSITY ,  HANBAT NATIONAL UNIVERSITY INDUSTRY-ACADEMIC COOPERATION FOUNDATION

发明人： Jin Ho Lee ,  Jung Won Kang ,  Hyun Suk Ko ,  Sung Chang Lim ,  Ha Hyun Lee ,  Dong San Jun ,  Seung Hyun Cho ,  Hui Yong Kim ,  Hae Chul Choi ,  Aram Back ,  Jin Soo Choi ,  Jae Gon Kim

IPC分类号： H04N19/46 ,  H04N19/105 ,  H04N19/119 ,  H04N19/176 ,  H04N19/186

CPC分类号： H04N19/119 ,  H04N19/105 ,  H04N19/176 ,  H04N19/186 ,  H04N19/46

摘要： An image encoding/decoding method and apparatus are provided. An image decoding method performed by an image decoding apparatus of the present invention may comprise decoding an indicator indicating whether or not partition information of a current block is derived from partition information of a corresponding block of the current block, obtaining the partition information of the current block based on the decoded indicator, and partitioning the current block based on the obtained partition information.

公开(公告)号：US11539943B2

公开(公告)日：2022-12-27

申请号：US17319175

申请日：2021-05-13

申请人： Electronics and Telecommunications Research Institute ,  Industry—University Cooperation Foundation Korea Aerospace University ,  Hanbat National University Industry—Academic Cooperation Foundation

发明人： Jin Ho Lee ,  Sung Chang Lim ,  Jung Won Kang ,  Hyun Suk Ko ,  Ha Hyun Lee ,  Dong San Jun ,  Seung Hyun Cho ,  Hui Yong Kim ,  Jae Gon Kim ,  Do Hyeon Park ,  Jin Soo Choi ,  Hae Chul Choi

IPC分类号： H04N19/11 ,  H04N19/159 ,  H04N19/176 ,  G06F17/18 ,  H04N19/91 ,  H04N19/117 ,  H04N19/132 ,  H04N19/119 ,  H04N19/105 ,  H04N19/80 ,  H04N19/513 ,  H04N19/174 ,  H04N19/13

摘要： An image encoding/decoding method and apparatus are provided. An image decoding method performed by an image decoding apparatus according to the present invention may comprise deriving an intra-prediction mode of a current block, and performing intra-prediction for the current block based on the intra-prediction mode. The deriving of the intra-prediction mode may comprise decoding a predetermined mode sameness indicator.

公开(公告)号：US11509930B2

公开(公告)日：2022-11-22

申请号：US16301318

申请日：2017-07-12

申请人： Electronics and Telecommunications Research Institute

发明人： Sung Chang Lim ,  Jung Won Kang ,  Hyun Suk Ko ,  Ha Hyun Lee ,  Dong San Jun ,  Jin Ho Lee ,  Seung Hyun Cho ,  Hui Yong Kim ,  Jin Soo Choi

IPC分类号： H04N19/583 ,  H04N19/51 ,  H04N19/105 ,  H04N19/176 ,  H04N19/96 ,  H04N19/132 ,  H04N19/577 ,  H04N19/196 ,  H04N19/513 ,  H04N19/463 ,  H04N19/56

摘要： The present invention relates to a method for encoding/decoding a video. To this end, the method for decoding a video may include: generating a merge candidate list of a current block including at least one merge candidate corresponding to each of a plurality of reference picture lists; determining at least one piece of motion information by using the merge candidate list; and generating a prediction block of the current block by using the determined at least one piece of motion information.

公开(公告)号：US11202063B2

公开(公告)日：2021-12-14

申请号：US16336219

申请日：2017-09-22

申请人： Electronics and Telecommunications Research Institute

发明人： Jin Ho Lee ,  Hyun Suk Ko ,  Jung Won Kang ,  Sung Chang Lim ,  Ha Hyun Lee ,  Dong San Jun ,  Seung Hyun Cho ,  Hui Yong Kim ,  Jin Soo Choi

IPC分类号： H04N19/105 ,  H04N19/176 ,  H04N19/11 ,  H04N19/119 ,  H04N19/186 ,  H04N19/80 ,  H04N19/91 ,  H04N19/593 ,  H04N19/117 ,  H04N19/51 ,  H04N19/159 ,  H04N19/70 ,  H04N19/96 ,  H04N19/172

摘要： An image encoding/decoding method and apparatus for predicting a second color component block using a first color component block are provided. An image decoding method of the present invention comprises deriving a prediction parameter using the first color component block, and predicting the second color component block using the derived prediction parameter.

公开(公告)号：US11184609B2

公开(公告)日：2021-11-23

申请号：US16471071

申请日：2018-01-02

申请人： ELECTRONICS AND TELECOMMUNICATIONS RESEARCH INSTITUTE

发明人： 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分类号： H04N19/11 ,  H04N19/159 ,  H04N19/176 ,  H04N19/46

摘要： 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.

公开(公告)号：US11128861B2

公开(公告)日：2021-09-21

申请号：US16099639

申请日：2017-06-15

申请人： Electronics and Telecommunications Research Institute

发明人： Hyun Suk Ko ,  Jin Ho Lee ,  Sung Chang Lim ,  Jung Won Kang ,  Ha Hyun Lee ,  Dong San Jun ,  Seung Hyun Cho ,  Hui Yong Kim ,  Jin Soo Choi

IPC分类号： H04N19/11 ,  H04N19/96 ,  H04N19/176 ,  H04N19/184 ,  H04N19/159 ,  H04N19/105 ,  H04N19/593

摘要： The present invention relates to an intra prediction method and apparatus. The image decoding method according to the present invention may comprise decoding information on intra prediction; and generating a prediction block by performing intra prediction for a current block based on the information on intra prediction. The information on intra prediction may include information on an intra prediction mode, and the intra prediction mode may include a curved intra prediction mode.

公开(公告)号：US10911756B2

公开(公告)日：2021-02-02

申请号：US16342310

申请日：2017-10-23

申请人： ELECTRONICS AND TELECOMMUNICATIONS RESEARCH INSTITUTE ,  INDUSTRY-UNIVERSITY COOPERATION FOUNDATION KOREA AEROSPACE UNIVERSITY ,  HANBAT NATIONAL UNIVERSITY INDUSTRY—ACADEMIC COOPERATION FOUNDATION

发明人： Jin Ho Lee ,  Jung Won Kang ,  Hyun Suk Ko ,  Sung Chang Lim ,  Ha Hyun Lee ,  Dong San Jun ,  Seung Hyun Cho ,  Hui Yong Kim ,  Hae Chul Choi ,  Aram Back ,  Jin Soo Choi ,  Jae Gon Kim

IPC分类号： H04N19/46 ,  H04N19/176 ,  H04N19/119 ,  H04N19/105 ,  H04N19/186

摘要： An image encoding/decoding method and apparatus are provided. An image decoding method performed by an image decoding apparatus of the present invention may comprise decoding an indicator indicating whether or not partition information of a current block is derived from partition information of a corresponding block of the current block, obtaining the partition information of the current block based on the decoded indicator, and partitioning the current block based on the obtained partition information.

公开(公告)号：US09998222B2

公开(公告)日：2018-06-12

申请号：US15245315

申请日：2016-08-24

申请人： ELECTRONICS AND TELECOMMUNICATIONS RESEARCH INSTITUTE

发明人： Chan Gyo Han ,  Min Kyu Sung ,  Jong Hyun Lee ,  Hwan Seok Chung ,  Seung Hyun Cho

IPC分类号： H04B10/2513 ,  H04J1/02 ,  H04J14/02

CPC分类号： H04B10/2513 ,  H04B10/25753 ,  H04B10/548 ,  H04J1/02 ,  H04J14/0227

摘要： An optical signal transmission system and method of allocating center frequencies of intermediate frequency (IF) carriers in a frequency division multiplexing (FDM) optical fiber link. The optical signal transmission method includes determining a center frequency interval between modulated signals based on a bandwidth of the modulated signals or a center frequency of a modulated signal having a lowest center frequency, among the modulated signals, reallocating center frequencies to the modulated signals based on the center frequency interval between the modulated signals, and converting the modulated signals reallocated the center frequencies from electrical signal into optical signal and transmitting the optical signal.

公开(公告)号：US09130675B2

公开(公告)日：2015-09-08

申请号：US13729521

申请日：2012-12-28

申请人： Electronics and Telecommunications Research Institute

发明人： Seung Hyun Cho ,  Jie Hyun Lee ,  Kwang Ok Kim ,  Eui Suk Jung ,  Seung Il Myong ,  Sang Soo Lee ,  Jong Hyun Lee

IPC分类号： H04B10/272 ,  H04B10/564 ,  H04B10/27 ,  H04B17/00

CPC分类号： H04B10/27 ,  H04B10/272 ,  H04B10/564 ,  H04B17/103 ,  H04B17/15

摘要： A modulation method of an optical modem and a signal transmission apparatus performing the method are disclosed. The modulation method of the optical modem includes an optical interface providing a signal to a light source, a photo detector receiving reflected light by an optical link when output light from the light source based on the provided signal is reflected by the optical link, the photo detector measuring and determining characteristics of the optical link using the reflected light, and the optical modem determining a power level and a modulation method for each subcarrier based on the characteristics of the optical link.

摘要翻译： 公开了一种光调制解调器的调制方法和执行该方法的信号传输装置。 光调制解调器的调制方法包括向光源提供信号的光接口，当基于提供的信号的来自光源的输出光被光链路反射时，光接收器接收由光链路反射的光的光检测器，照片 检测器使用反射光测量和确定光链路的特性，并且光调制解调器基于光链路的特性确定每个子载波的功率电平和调制方法。

公开(公告)号：US12095999B2

公开(公告)日：2024-09-17

申请号：US18346488

申请日：2023-07-03

申请人： Electronics and Telecommunications Research Institute

发明人： Sung Chang Lim ,  Jung Won Kang ,  Ha Hyun Lee ,  Dong San Jun ,  Hyun Suk Ko ,  Jin Ho Lee ,  Seung Hyun Cho ,  Hui Yong Kim ,  Jin Soo Choi

IPC分类号： H04N19/50 ,  H04N19/105 ,  H04N19/117 ,  H04N19/124 ,  H04N19/139 ,  H04N19/51 ,  H04N19/52 ,  H04N19/91

CPC分类号： H04N19/139 ,  H04N19/117 ,  H04N19/124 ,  H04N19/51 ,  H04N19/52 ,  H04N19/91

摘要： The present invention relates to a method of performing motion compensation by using motion vector prediction. To this end, a method of decoding an image may include: generating multiple motion vector candidate lists according to an inter-prediction direction of a current block; deriving multiple motion vectors for the current block by using the multiple motion vector candidate lists; determining multiple prediction blocks for the current block by using the multiple motion vectors; and obtaining a final prediction block for the current block based on the multiple prediction blocks.