公开(公告)号：US20190281290A1

公开(公告)日：2019-09-12

申请号：US16299661

申请日：2019-03-12

申请人： Electronics and Telecommunications Research Institute ,  Industry-University Cooperation Foundation Korea Aerospace University ,  Industry-Academia Cooperation Group of Sejong University

发明人： Jin-Ho LEE ,  Jae-Gon KIM ,  Jung-Won KANG ,  Do-Hyeon PARK ,  Yung-Lyul LEE ,  Ha-Hyun LEE ,  Sung-Chang LIM ,  Hui-Yong KIM ,  Ji-Hoon DO ,  Yong-Uk YOON

IPC分类号： H04N19/11 ,  H04N19/159 ,  H04N19/105 ,  H04N19/119 ,  H04N19/176

摘要： Disclosed herein are a decoding method and apparatus and an encoding method and apparatus for deriving an intra-prediction mode. An intra-prediction mode may be derived using a method for deriving an intra-prediction mode based on a neighbor block of the target block, a method for deriving an intra-prediction mode using signaling of the intra-prediction mode of the target block, or a method for deriving an adaptive intra-prediction mode based on the type of a target slice. An MPM list may be used to derive the intra-prediction mode, and a temporal neighbor block or the like may be used to configure the MPM list.

公开(公告)号：US20240223755A1

公开(公告)日：2024-07-04

申请号：US18594340

申请日：2024-03-04

申请人： Electronics and Telecommunications Research Institute ,  Industry-University Cooperation Foundation Korea Aerospace University ,  Industry-Academia Cooperation Group of Sejong University

发明人： Jin-Ho LEE ,  Jae-Gon KIM ,  Jung-Won KANG ,  Do-Hyeon PARK ,  Yung-Lyul LEE ,  Ha-Hyun LEE ,  Sung-Chang LIM ,  Hui-Yong KIM ,  Ji-Hoon DO ,  Yong-Uk YOON

IPC分类号： H04N19/11 ,  H04N19/105 ,  H04N19/119 ,  H04N19/159 ,  H04N19/176

CPC分类号： H04N19/11 ,  H04N19/105 ,  H04N19/119 ,  H04N19/159 ,  H04N19/176

摘要： Disclosed herein are a decoding method and apparatus and an encoding method and apparatus for deriving an intra-prediction mode. An intra-prediction mode may be derived using a method for deriving an intra-prediction mode based on a neighbor block of the target block, a method for deriving an intra-prediction mode using signaling of the intra-prediction mode of the target block, or a method for deriving an adaptive intra-prediction mode based on the type of a target slice. An MPM list may be used to derive the intra-prediction mode, and a temporal neighbor block or the like may be used to configure the MPM list.

公开(公告)号：US20230421804A1

公开(公告)日：2023-12-28

申请号：US18462638

申请日：2023-09-07

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

发明人： Jin-Ho LEE ,  Jung-Won KANG ,  Hyunsuk KO ,  Sung-Chang LIM ,  Ha-Hyun LEE ,  Dong-San JUN ,  Hui-Yong KIM ,  Jae-Gon KIM ,  Do-Hyeon PARK ,  Yong-Uk YOON

IPC分类号： H04N19/573 ,  H04N19/176

CPC分类号： H04N19/573 ,  H04N19/176

摘要： Disclosed herein are a video decoding method and apparatus and a video encoding method and apparatus. In video encoding and decoding, inter-prediction information for a target block may be derived, and inter prediction for a target block may be performed using the derived inter-prediction information. Combined inter-prediction information may be performed by combining multiple pieces of inter-prediction information, and the combined inter-prediction information may be added as a candidate to a list used for inter prediction. One of candidates in the list may be selected for inter prediction for the target block, and inter prediction using the selected candidate may be performed.

公开(公告)号：US20220353509A1

公开(公告)日：2022-11-03

申请号：US17864226

申请日：2022-07-13

申请人： Electronics and Telecommunications Research Institute ,  INDUSTRY-ACADEMIA COOPERATION GROUP OF SEJONG UNIVERSITY ,  INDUSTRY-UNIVERSITY COOPERATION FOUNDATION KOREA AEROSPACE UNIVERSITY

发明人： Sung-Chang LIM ,  Jung-Won KANG ,  Hyunsuk KO ,  Jin-Ho LEE ,  Ha-Hyun LEE ,  Dong-San JUN ,  Hui-Yong KIM ,  Yung-Lyul LEE ,  Nam-Uk KIM ,  Jae-Gon KIM

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

摘要： Disclosed herein are a decoding method and apparatus and an encoding method and apparatus that perform inter-prediction using a motion vector predictor. For a candidate block in a col picture, a scaled motion vector is generated based on a motion vector of the candidate block. When the scaled motion vector indicates a target block, a motion vector predictor of the target block is generated based on the motion vector of the candidate block. The motion vector predictor is used to derive the motion vector of the target block in a specific inter-prediction mode such as a merge mode and an AMVP mode.

公开(公告)号：US20230297833A1

公开(公告)日：2023-09-21

申请号：US18306075

申请日：2023-04-24

申请人： Electronics and Telecommunications Research Institute

发明人： Seung-Hyun CHO ,  Youn-Hee KIM ,  Jin-Wuk SEOK ,  Joo-Young LEE ,  Woong LIM ,  Jong-Ho KIM ,  Dae-Yeol LEE ,  Se-Yoon JEONG ,  Hui-Yong KIM ,  Jin-Soo CHOI ,  Je-Won KANG

IPC分类号： G06N3/08 ,  G06N3/04 ,  G06V10/82 ,  G06F18/214

CPC分类号： G06N3/08 ,  G06F18/214 ,  G06N3/04 ,  G06V10/82

摘要： Disclosed herein are a method and apparatus for compressing learning parameters for training of a deep-learning model and transmitting the compressed parameters in a distributed processing environment. Multiple electronic devices in the distributed processing system perform training of a neural network. By performing training, parameters are updated. The electronic device may share the updated parameter thereof with additional electronic devices. In order to efficiently share the parameter, the residual of the parameter is provided to the additional electronic devices. When the residual of the parameter is provided, the additional electronic devices update the parameter using the residual of the parameter.

公开(公告)号：US20220272368A1

公开(公告)日：2022-08-25

申请号：US17695648

申请日：2022-03-15

申请人： Electronics and Telecommunications Research Institute ,  RESEARCH AND BUSINESS FOUNDATION SUNGKYUNKWAN UNIVERSITY

发明人： Dong-San JUN ,  Jung-Won KANG ,  Hyunsuk KO ,  Sung-Chang LIM ,  Jin-Ho LEE ,  Ha-Hyun LEE ,  Byeung-Woo JEON ,  Hui-Yong KIM ,  Jee-Yoon PARK

IPC分类号： H04N19/44 ,  H04N19/119 ,  H04N19/122 ,  H04N19/186 ,  H04N19/593 ,  H04N19/60 ,  H04N19/82

摘要： Disclosed herein are a video decoding method and apparatus and a video encoding method and apparatus. Coding decision information of a representative channel of a target block is shared as coding decision information of a target channel of the target block, and decoding of the target block is performed using the coding decision information of the target channel. Since the coding decision information of the representative channel is shared with an additional channel, repeated signaling of identical coding decision information may be prevented. By means of this prevention, the efficiency of encoding and decoding of the target block or the like may be improved.

公开(公告)号：US20200169726A1

公开(公告)日：2020-05-28

申请号：US16088464

申请日：2017-04-07

申请人： Electronics and Telecommunications Research Institute

发明人： Youn-Hee KIM ,  Jin-Wuk SEOK ,  Myung-Seok KI ,  Sung-Chang LIM ,  Hui-Yong KIM ,  Jin-Soo CHOI

IPC分类号： H04N19/105 ,  H04N19/137 ,  H04N19/159 ,  H04N19/176

摘要： Disclosed herein are a method and apparatus for deriving motion prediction information and performing encoding and/or decoding on a video using the derived motion prediction information. Each of an encoding apparatus and a decoding apparatus generates a list for inter prediction of a target block. In the generation of the list, whether motion information of a candidate block is to be added to a list is determined based on information about the target block and the motion information. When the motion information passes a motion prediction boundary check, the motion information is added to the list. By means of the motion prediction boundary check, available motion information for prediction of the target block is selectively added to the list.

公开(公告)号：US20200169691A1

公开(公告)日：2020-05-28

申请号：US16695886

申请日：2019-11-26

申请人： ELECTRONICS AND TELECOMMUNICATIONS RESEARCH INSTITUTE ,  KOREA ADVANCED INSTITUTE OF SCIENCE AND TECHNOLOGY

发明人： Se-Yoon JEONG ,  Min Hyuk KIM ,  Shinyoung YI ,  Jung-Won KANG ,  Hui-Yong KIM ,  Hakyeong KIM

IPC分类号： H04N7/00 ,  H04N5/58

摘要： Disclosed herein are a method and apparatus for luminance-adaptive opto-electrical transfer and luminance-adaptive electro-optical transfer. For video transmission and compression, opto-electrical transfer and electro-optical transfer are required. The surround luminance and luminance range of an image are taken into consideration when performing opto-electrical transfer and electro-optical transfer. An opto-electrical transfer function may be derived based on a contrast sensitivity function that takes into consideration the surround luminance of an image. Also, parameters relevant to surround luminance may be signaled from an encoding apparatus to a decoding apparatus, and an electro-optical transfer function may be derived based on the parameters.

公开(公告)号：US20220321890A1

公开(公告)日：2022-10-06

申请号：US17629281

申请日：2020-07-23

申请人： Electronics and Telecommunications Research Institute ,  INDUSTRY-ACADEMIA COOPERATION GROUP OF SEJONG UNIVERSITY

发明人： Woong LIM ,  Jin-Young LEE ,  Gun BANG ,  Hui-Yong KIM

IPC分类号： H04N19/137 ,  H04N19/159 ,  H04N19/182 ,  H04N19/176

摘要： Disclosed herein are a method, an apparatus, and a storage medium for image encoding/decoding using geometric partitioning. A target block may be geometrically partitioned, and multiple partitioned regions may be generated from geometric partitioning. Each partitioned region may have a non-square and a non-rectangular shape. Different prediction schemes may be applied to different partitioned regions. The different prediction schemes for multiple partitioned regions may be signaled as explicit information, and may be derived using information about a coding parameter for the target block or the like.

公开(公告)号：US20210136416A1

公开(公告)日：2021-05-06

申请号：US16768054

申请日：2018-11-27

申请人： Electronics and Telecommunications Research Institute

发明人： Youn-Hee KIM ,  Hui-Yong KIM ,  Seung-Hyun CHO ,  Jin-Wuk SEOK ,  Joo-Young LEE ,  Woong LIM ,  Jong-Ho KIM ,  Dae-Yeol LEE ,  Se-Yoon JEONG ,  Jin-Soo CHOI

IPC分类号： H04N19/61 ,  H04N19/105 ,  H04N19/176 ,  G06N3/08

摘要： Disclosed herein are a video decoding method and apparatus and a video encoding method and apparatus. A transformed block is generated by performing a first transformation that uses a prediction block for a target block. A reconstructed block for the target block is generated by performing a second transformation that uses the transformed block. The prediction block may be a block present in a reference image, or a reconstructed block present in a target image. The first transformation and the second transformation may be respectively performed by neural networks. Since each transformation is automatically performed by the corresponding neural network, information required for a transformation may be excluded from a bitstream.