-
公开(公告)号：US20190141334A1
公开(公告)日：2019-05-09
申请号：US16099998
申请日：2017-05-23
Inventor： 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: H04N19/139 , H04N19/124 , H04N19/117 , H04N19/51 , H04N19/91
CPC classification number: H04N19/139 , H04N19/117 , H04N19/124 , H04N19/51 , H04N19/52 , H04N19/91
Abstract: 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.
-
公开(公告)号：US20170250753A1
公开(公告)日：2017-08-31
申请号：US15378194
申请日：2016-12-14
Inventor： Min Kyu SUNG , Jong Hyun LEE , Hwan Seok CHUNG , Seung Hyun CHO , Chan Gyo HAN
IPC: H04B10/2513 , H04B10/2575
CPC classification number: H04B10/25133 , H04B10/25753 , H04B10/25754
Abstract: Provided is an analog optical transmission system using a dispersion management technique. The analog optical transmission system may include a digital unit (DU) pool including a plurality of DUs to transmit an optical signal; a plurality of radio units (RUs) to receive the optical signal; and one or more dispersion management apparatus to remove a signal distortion component caused by an interaction between a chirp and chromatic dispersion by compensating for the chromatic dispersion before the plurality of RUs receives the optical signal that is transmitted from the DU pool.
-
公开(公告)号：US20160218801A1
公开(公告)日：2016-07-28
申请号：US15007739
申请日：2016-01-27
Inventor： Hwan Seok CHUNG , Seung Hyun CHO , Jong Hyun LEE , Sang Soo LEE , Chan Gyo HAN
IPC: H04B10/079 , H04B10/2575
CPC classification number: H04B10/07953 , H04B10/25759 , H04B10/50572 , H04B10/50575 , H04B10/564
Abstract: An optical fiber cable of a mobile fronthaul system based on a radio over fiber (RoF), which includes a control apparatus for monitoring an analog optical link according to an exemplary embodiment, may be monitored. The monitoring control apparatus may include an optical signal monitor to monitor an optical signal passing through an optical fiber cable, and a system controller to control the optical signal based on a result of the monitoring. The optical signal monitor may calculate an average optical power, carrier-to-noise ratio (CNR), and a size of a nonlinear component from an electrical signal, which has been acquired from the optical signal. Then, the optical signal monitor may control the calculated average optical power, CNR, and nonlinear component.
Abstract translation: 可以监视基于无线电光纤（RoF）的移动前端系统的光纤电缆，其包括用于监视根据示例性实施例的模拟光链路的控制装置。 监视控制装置可以包括用于监视通过光纤电缆的光信号的光信号监视器，以及基于监视结果来控制光信号的系统控制器。 光信号监视器可以根据从光信号获得的电信号计算平均光功率，载波噪声比（CNR）和非线性分量的大小。 然后，光信号监视器可以控制计算的平均光功率CNR和非线性分量。
-
54.发明申请METHOD AND APPARATUS FOR TRANSMITTING ORTHOGONAL FREQUENCY DIVISION MULTIPLEXING (OFDM) SIGNAL IN OPTICAL NETWORK 审中-公开在光网络中发射正交频分多址（OFDM）信号的方法和装置公开(公告)号：US20160087750A1
公开(公告)日：2016-03-24
申请号：US14862588
申请日：2015-09-23
Inventor： Hun Sik KANG , Kyeong Hwan DOO , Seung Hyun CHO
CPC classification number: H04J14/0298 , H04L27/2602 , H04L27/2613 , H04L27/2655 , H04L27/2697
Abstract: A method for transmitting an orthogonal frequency division multiplexing (OFDM) signal in an optical network and apparatus therefor are provided. The method includes: converting a media access control (MAC) frame into an OFDM frame that contains a physical (PHY) level preamble, using the MAC frame which is transmitted from a MAC layer in a passive optical network (PON) to a PHY layer in an OFDM-PON; and transmitting the generated OFDM frame.
Abstract translation: 提供一种用于在光网络中发送正交频分复用（OFDM）信号的方法及其装置。 该方法包括：使用从无源光网络（PON）中的MAC层发送到PHY层的MAC帧将媒体接入控制（MAC）帧转换成包含物理（PHY）级前导码的OFDM帧 在OFDM-PON中; 以及发送所生成的OFDM帧。
-
公开(公告)号：US20250126246A1
公开(公告)日：2025-04-17
申请号：US18999634
申请日：2024-12-23
Inventor： Jung Won KANG , Sung Chang LIM , Hyun Suk KO , Ha Hyun LEE , Jin Ho LEE , Dong San JUN , Seung Hyun CHO , Hui Yong KIM , Jin Soo CHOI
IPC: H04N19/105 , H04N19/119 , H04N19/159 , H04N19/176 , H04N19/186 , H04N19/70 , H04N19/96
Abstract: The present invention relates to an image encoding method and an image decoding method. The image decoding method includes partitioning a picture into a plurality of coding units, constructing a coding unit group including at least one coding unit of the plurality of coding units, obtaining coding information in units of one coding unit group, and decoding at least one coding unit of the plurality of coding units included in the coding unit group by using the obtained coding information.
-
Patent Agency Ranking
公开(公告)号：US20250097431A1
公开(公告)日：2025-03-20
申请号：US18910820
申请日：2024-10-09
Inventor： Dong San JUN , Jin Ho LEE , Jung Won KANG , Hyun Suk KO , Sung Chang LIM , Ha Hyun LEE , Seung Hyun CHO , Hui Yong KIM , Jin Soo CHOI
IPC: H04N19/159 , H04N19/105 , H04N19/126 , H04N19/13 , H04N19/176 , H04N19/50 , H04N19/593
Abstract: An image encoding/decoding method and apparatus for performing intra prediction are provided. An image decoding method of the present invention comprises deriving an intra prediction mode for a current block, selecting at least one reconstructed sample line neighboring to the current block, constructing a reference sample using at least one reconstructed sample included in the at least one reconstructed sample line, and performing intra prediction for the current block based on the intra prediction mode and the reference sample.
-
57.发明公开公开(公告)号：US20240283490A1
公开(公告)日：2024-08-22
申请号：US18582486
申请日：2024-02-20
Inventor： Sang Rok MOON , Soo Yeon KIM , Eon Sang KIM , Min Kyu Sung , Seung Hyun CHO
CPC classification number: H04B7/04013 , H01Q3/16
Abstract: According to an embodiment of the present disclosure, a reconfigurable reflector combined with an amplifier for wireless communication, comprising: an amplification module; a controller configured to control the reconfigurable reflector; and the reconfigurable reflector configured to reflect an output beam of the amplification module, wherein the amplification module includes, a first antenna configured to receive a beam and transmit the beam to an amplifier, an amplifier configured to amplify the input beam and transmit the amplified beam to a second antenna, and the second antenna configured to receive the amplified beam and transmit the amplified beam to the reconfigurable reflector, and an output of the second antenna is output to a predetermined position of the reconfigurable reflector.
-
公开(公告)号：US20240187644A1
公开(公告)日：2024-06-06
申请号：US18545040
申请日：2023-12-19
Inventor： 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: H04N19/583 , H04N19/105 , H04N19/132 , H04N19/176 , H04N19/196 , H04N19/463 , H04N19/51 , H04N19/513 , H04N19/56 , H04N19/577 , H04N19/96
CPC classification number: H04N19/583 , H04N19/105 , H04N19/176 , H04N19/51 , H04N19/96 , H04N19/132 , H04N19/197 , H04N19/463 , H04N19/513 , H04N19/56 , H04N19/577
Abstract: 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.
-
59.发明公开公开(公告)号：US20240155110A1
公开(公告)日：2024-05-09
申请号：US18411515
申请日：2024-01-12
Inventor： Jung Won KANG , Sung Chang LIM , Hyun Suk KO , Ha Hyun LEE , Jin Ho LEE , Dong San JUN , Seung Hyun CHO , Hui Yong KIM , Jin Soo CHOI
IPC: H04N19/105 , H04N19/119 , H04N19/159 , H04N19/176 , H04N19/186 , H04N19/70 , H04N19/96
CPC classification number: H04N19/105 , H04N19/119 , H04N19/159 , H04N19/176 , H04N19/186 , H04N19/70 , H04N19/96
Abstract: The present invention relates to an image encoding method and an image decoding method. The image decoding method includes partitioning a picture into a plurality of coding units, constructing a coding unit group including at least one coding unit of the plurality of coding units, obtaining coding information in units of one coding unit group, and decoding at least one coding unit of the plurality of coding units included in the coding unit group by using the obtained coding information.
-
公开(公告)号：US20240098311A1
公开(公告)日：2024-03-21
申请号：US18513906
申请日：2023-11-20
Applicant: ELECTRONICS AND TELECOMMUNICATIONS RESEARCH INSTITUTE , INDUSTRY ACADEMY COOPERATION FOUNDATION OF SEJONG UNIVERSITY
Inventor： Sung Chang LIM , Jung Won KANG , Hyun Suk KO , Jin Ho LEE , Dong San JUN , Ha Hyun LEE , Seung Hyun CHO , Hui Yong KIM , Jin Soo CHOI , Yung Lyul LEE , Jun Woo CHOI
IPC: H04N19/91 , H04N19/146 , H04N19/149 , H04N19/159 , H04N19/176 , H04N19/182 , H04N19/44
CPC classification number: H04N19/91 , H04N19/146 , H04N19/149 , H04N19/159 , H04N19/176 , H04N19/182 , H04N19/44
Abstract: The present invention relates to an image encoding/decoding method and apparatus. An image encoding method according to the present invention may comprise generating a transform block by performing at least one of transform and quantization; grouping at least one coefficient included in the transform block into at least one coefficient group (CG); scanning at least one coefficient included in the coefficient group; and encoding the at least one coefficient.
-
-
-
-
-
-
-
-
-
Search Results
74
records
(took 0.027 seconds)
