Patents Assigned to Electronics and Telecommunications Research Institute
  • Publication number: 20210014488
    Abstract: The present invention relates to an image encoding and decoding method. An image decoding method for the same includes: determining a reference sample of a current block; performing filtering for the reference sample on the basis of a feature of an area where the reference sample is included; and performing intra-prediction by using the reference sample for which filtering is performed.
    Type: Application
    Filed: October 19, 2018
    Publication date: January 14, 2021
    Applicant: ELECTRONICS AND TELECOMMUNICATIONS RESEARCH INSTITUTE
    Inventors: Hyun Suk KO, Sung Chang LIM, Jung Won KANG, Jin Ho LEE, Ha Hyun LEE, Dong San JUN, Hui Yong KIM
  • Publication number: 20210012045
    Abstract: Provided is a method of simulating a quantum computing system having an error correction function. The method includes generating a quantum information density matrix, generating a coded density matrix by performing quantum error correction coding on the quantum information density matrix, applying quantum computing to the coded density matrix and calculating a change in a first reliability of the coded density matrix, applying the quantum computing to the quantum information density matrix and calculating a change in a second reliability of the quantum information density matrix, and determining an operation time of the quantum computing, based on the change in the first reliability and the change in the second reliability.
    Type: Application
    Filed: July 9, 2020
    Publication date: January 14, 2021
    Applicant: ELECTRONICS AND TELECOMMUNICATIONS RESEARCH INSTITUTE
    Inventors: Chungheon BAEK, Byung-Soo CHOI
  • Publication number: 20210013958
    Abstract: Provided is an apparatus and method for wideband short-range wireless communication using a directional antenna in a millimeter wave band, and the method for wideband short-range wireless communication according to an embodiment may determine a first time interval and a second time interval for a cooperated data frame transfer based on a packet transmission time at each transmission from a source node to a destination node, transmit a frame to a relay node through an antenna pattern directed towards the relay node at a start point of the first time interval, and transmit the frame to the destination node through an antenna pattern directed towards the destination node after a predetermined period of time from a start point of the second time interval.
    Type: Application
    Filed: September 15, 2020
    Publication date: January 14, 2021
    Applicant: ELECTRONICS AND TELECOMMUNICATIONS RESEARCH INSTITUTE
    Inventors: Kap Seok CHANG, Hyoung Jin KWON, Sung Geun JIN, Yong Sun KIM, Seung Eun HONG, Woo Yong LEE, Hyun Kyu CHUNG
  • Patent number: 10892797
    Abstract: An apparatus and a method for processing an uplink signal of cable broadcasting network including: modulating uplink data to be transmitted to a broadcasting station which is located at an end of the cable broadcasting network into a plurality of symbols; performing a correlation-coding on the plurality of symbols; and outputting an analog radio frequency (RF) signal corresponding to the plurality of correlation-coded symbols are provided.
    Type: Grant
    Filed: January 8, 2020
    Date of Patent: January 12, 2021
    Assignee: Electronics and Telecommunications Research Institute
    Inventors: Myung-Sun Baek, Jin Hyuk Song, Joon Young Jung, Heung Mook Kim, Eun Hee Hyun
  • Patent number: 10893525
    Abstract: A method of transmitting and receiving a control channel in a wireless communication system is provided. A base station allocates a data channel to a radio resource, adds start position information of the data channel into a payload of a control channel, and performs signaling for indication information on the start position information added into the payload of the control channel to a terminal. Accordingly, the legacy system and the enhanced system can efficiently transmit a control channel.
    Type: Grant
    Filed: April 30, 2019
    Date of Patent: January 12, 2021
    Assignee: Electronics and Telecommunications Research Institute
    Inventors: Tae Gyun Noh, Young Jo Ko, Bang Won Seo, Jae Young Ahn
  • Patent number: 10893574
    Abstract: A packet data unit (PDU) session release method and a network entity performing the same are disclosed. An access and mobility management function (AMF) may receive a PDU session release request message including an access type which is an access network to be released in a multi-access PDU (MA PDU) session from user equipment (UE) when the MA PDU session is established. The AMF transmits a first message including the access type to a session management function (SMF).
    Type: Grant
    Filed: April 10, 2019
    Date of Patent: January 12, 2021
    Assignee: Electronics and Telecommunications Research Institute
    Inventors: Changki Kim, Jeoung Lak Ha, Yoo Hwa Kang
  • Patent number: 10892924
    Abstract: Disclosed herein is a demodulation method of a Layer-Division Multiplexing (LDM) system. The demodulation method may include receiving an LDM modulation signal, restoring a first-layer signal from the LDM modulation signal and remodulating the first-layer signal, restoring and remodulating a second-layer signal by performing cancellation of the amplitude component of the first-layer signal from the LDM modulation signal using signaling information independently of restoration and remodulation of the first-layer signal, and restoring a third-layer signal using the first-layer signal, the second-layer signal, and the LDM modulation signal.
    Type: Grant
    Filed: February 21, 2020
    Date of Patent: January 12, 2021
    Assignee: Electronics and Telecommunications Research Institute
    Inventors: Jae-Hwui Bae, Sun-Hyoung Kwon, Young-Su Kim, Dong-Joon Choi, Nam-Ho Hur
  • Publication number: 20210006328
    Abstract: An operation method of a terminal in a non-terrestrial network may comprise when a transmission operation of downlink data is started in an on-duration according to a discontinuous reception (DRX) cycle, starting a first timer indicating a first time interval required for a retransmission operation of the downlink data; starting a second timer when the first timer expires; performing a downlink monitoring operation in a second time interval according to the second timer; and when control information for the retransmission operation is received from a non-terrestrial node in the second time interval, receiving the downlink data from the non-terrestrial node in a downlink resource indicated by the control information, wherein the first timer is configured in consideration of a transmission delay between the non-terrestrial node and the terminal.
    Type: Application
    Filed: June 25, 2020
    Publication date: January 7, 2021
    Applicant: ELECTRONICS AND TELECOMMUNICATIONS RESEARCH INSTITUTE
    Inventor: Jae Heung KIM
  • Publication number: 20210005208
    Abstract: Disclosed is a method of processing a residual signal for audio coding and an audio coding apparatus. The method learns a feature map of a reference signal through a residual signal learning engine including a convolutional layer and a neural network and performs learning based on a result obtained by mapping a node of an output layer of the neural network and a quantization level of index of the residual signal.
    Type: Application
    Filed: November 18, 2019
    Publication date: January 7, 2021
    Applicant: Electronics and Telecommunications Research Institute
    Inventors: Seung Kwon Beack, Jongmo Sung, Mi Suk Lee, Tae Jin Lee, Hui Yong Kim
  • Publication number: 20210006830
    Abstract: Disclosed herein is an immersive video processing method. The immersive video processing method may include classifying a multiplicity of source view videos into base view videos and additional view videos, generating residual data for the additional view videos, packing a patch, which is generated based on the residual data, into an altas video, and generating metadata for the patch.
    Type: Application
    Filed: March 19, 2020
    Publication date: January 7, 2021
    Applicant: ELECTRONICS AND TELECOMMUNICATIONS RESEARCH INSTITUTE
    Inventors: Kug Jin YUN, Jun Young JEONG, Gwang Soon LEE, Hong Chang SHIN, Ho Min EUM, Sang Woon KWAK
  • Publication number: 20210005209
    Abstract: Disclosed are a method of encoding a high band of an audio, a method of decoding a high band of an audio, and an encoder and a decoder for performing the methods. The method of decoding a high band of an audio, the method performed by a decoder, includes identifying a parameter extracted through a first neural network, identifying side information extracted through a second neural network, and restoring a high band of an audio by applying the parameter and the side information to a third neural network.
    Type: Application
    Filed: March 10, 2020
    Publication date: January 7, 2021
    Applicants: Electronics and Telecommunications Research Institute, Kwangwoon University Industry-Academic Collaboration Foundation
    Inventors: Seung Kwon BEACK, Jongmo SUNG, Mi Suk LEE, Tae Jin LEE, Hochong PARK
  • Publication number: 20210007036
    Abstract: An operation method of a terminal in a communication system, according to the present disclosure, may comprise performing measurement on a source base station and neighbor base stations, and identifying a state of a radio link established between the terminal and the source base station; predicting a probability of a handover failure based on the state of the radio link and a measurement result according to the measurement; when it is predicted that the handover is to fail, identifying whether a handover command message is received from the source base station; and when the handover command message is not received, performing cell selection for radio connection re-establishment.
    Type: Application
    Filed: June 30, 2020
    Publication date: January 7, 2021
    Applicant: Electronics and Telecommunications Research Institute
    Inventors: Hyun Seo PARK, Yun Joo KIM, Eunkyung KIM, Tae Joong KIM, An Seok LEE, Yu Ro LEE, Sung Cheol CHANG
  • Publication number: 20210006318
    Abstract: An operation method of a source terminal for sidelink communication may comprise transmitting at least two transport blocks (TBs) or code block groups (CBGs) to a destination terminal; receiving hybrid automatic repeat request-acknowledgement/negative acknowledgement (HARQ-ACK/NACK) bits for the at least two TBs or CBGs from the destination terminal; generating an HARQ codebook based on the HARQ-ACK/NACK bits; and reporting the generated HARQ codebook to a serving base station.
    Type: Application
    Filed: July 1, 2020
    Publication date: January 7, 2021
    Applicant: ELECTRONICS AND TELECOMMUNICATIONS RESEARCH INSTITUTE
    Inventors: Cheul Soon KIM, Sung Hyun MOON, Jung Hoon LEE
  • Publication number: 20210006764
    Abstract: An immersive video processing method according to the present disclosure includes determining a priority order of pruning for source view videos, generating a residual video for an additional view video based on the priority order of pruning, packing a patch generated based on the residual video into an atlas video, and encoding the atlas video.
    Type: Application
    Filed: July 6, 2020
    Publication date: January 7, 2021
    Applicants: Electronics and Telecommunications Research Institute, IUCF-HYU (INDUSTRY-UNIVERSITY COOPERATION FOUNDATION HANYANG UNIVERSITY)
    Inventors: Hong Chang SHIN, Gwang Soon LEE, Ho Min EUM, Jun Young JEONG, Jong Il PARK, Jun Young YUN
  • Publication number: 20210006831
    Abstract: Disclosed herein is an image encoding/decoding method and apparatus for virtual view synthesis. The image decoding for virtual view synthesis may include decoding texture information and depth information of at least one or more basic view images and at least one or more additional view images from a bit stream and synthesizing a virtual view on the basis of the texture information and the depth information, wherein the basic view image and the additional view image comprise a non-empty region and an empty region, and wherein the synthesizing of the virtual view comprises determining the non-empty region through a specific value in the depth information and a threshold and synthesizing the virtual view by using the determined non-empty region.
    Type: Application
    Filed: March 19, 2020
    Publication date: January 7, 2021
    Applicants: ELECTRONICS AND TELECOMMUNICATIONS RESEARCH INSTITUTE, Poznan University of Technology
    Inventors: Gwang Soon LEE, Jun Young JEONG, Hong Chang SHIN, Kug Jin YUN, Marek Domanski, Olgierd Stankiewicz, Dawid Mieloch, Adrian Dziembowski, Adam Grzelka, Jakub Stankowski
  • Publication number: 20210005670
    Abstract: A display device according to an embodiment of the inventive concept provides includes a substrate, a green light emitting element group and a blue light emitting element group, which are repeatedly arranged in a first direction parallel to a top surface of the substrate, and a red conversion pattern on the green light emitting element group and the blue light emitting element group. Here, the red conversion pattern overlaps a portion of the green light emitting element group and a portion of the blue light emitting element group in a second direction perpendicular to the top surface of the substrate.
    Type: Application
    Filed: November 12, 2019
    Publication date: January 7, 2021
    Applicant: ELECTRONICS AND TELECOMMUNICATIONS RESEARCH INSTITUTE
    Inventors: Hyunsu CHO, Chan-mo KANG, Byoung-Hwa KWON, CHUNWON BYUN, Jin Wook SHIN, Hyunkoo LEE, Sukyung CHOI
  • Publication number: 20210004542
    Abstract: Provided are an apparatus and method for providing a personal assistant service based on automatic translation. The apparatus for providing a personal assistant service based on automatic translation includes an input section configured to receive a command of a user, a memory in which a program for providing a personal assistant service according to the command of the user is stored, and a processor configured to execute the program. The processor updates at least one of a speech recognition model, an automatic interpretation model, and an automatic translation model on the basis of an intention of the command of the user using a recognition result of the command of the user and provides the personal assistant service on the basis of an automatic translation call.
    Type: Application
    Filed: July 2, 2020
    Publication date: January 7, 2021
    Applicant: Electronics and Telecommunications Research Institute
    Inventors: Seung YUN, Sang Hun KIM, Min Kyu LEE, Yun Keun LEE, Mu Yeol CHOI, Yeo Jeong KIM, Sang Kyu PARK
  • Patent number: 10884186
    Abstract: A multi-channel receiver optical sub assembly module for a fiber Bragg grating sensor according to an embodiment of the present invention includes a housing, a connection socket, an optical bench, a thermoelectric cooler, an arrayed waveguide grating chip, a photodiode array disposed on the optical bench and including a plurality of photodiode chips connected to the optical channels of the arrayed waveguide grating chip, and a printed circuit board which is connected to the other side of the housing while passing through the other side of the housing, of which a portion of a body is disposed on the optical bench, and which is connected to the photodiode array.
    Type: Grant
    Filed: January 13, 2020
    Date of Patent: January 5, 2021
    Assignee: ELECTRONICS AND TELECOMMUNICATIONS RESEARCH INSTITUTE
    Inventors: Hyun Jin Kim, Hyoung Jun Park, Sung Chang Kim, Kye Eun Kim, Ji Hyoung Ryu, Gi Hyeon Min, Si Woong Park, Dong Hoon Son, Chan Il Yeo
  • Patent number: 10885636
    Abstract: Disclosed is an apparatus and method of segmenting an object. An object segmentation method according to the present disclosure includes: receiving an input image; receiving a user input indicating at least one piece of information on a foreground region and a background region included in the input image; generating at least one among a foreground pixel list and a background pixel list using the received user input; calculating Gaussian distribution of at least one pixel that makes up the input image using at least one among the generated foreground pixel list and background pixel list; and determining whether the at least one pixel is a foreground pixel or a background pixel using the calculated Gaussian distribution.
    Type: Grant
    Filed: November 5, 2018
    Date of Patent: January 5, 2021
    Assignee: Electronics and Telecommunications Research Institute
    Inventors: Seong Jin Park, Do Hyung Kim, Jae Woo Kim, Seong Jun Bae, Ho Wook Jang
  • Patent number: 10881431
    Abstract: The present disclosure relates to a hair implanter with an automatically retracting needle, and more specifically, to a hair implanter with an automatically retracting needle configured to automatically move a needle backward by a force of a spring when the needle is moved forward to a predetermined position to allow hair transplantation work to be smoothly performed.
    Type: Grant
    Filed: August 20, 2018
    Date of Patent: January 5, 2021
    Assignees: ELECTRONICS AND TELECOMMUNICATIONS RESEARCH INSTITUTE, Kyungpook National University Industry-Academic Cooperation Foundation
    Inventors: Jung Wook Suh, Kyu Hyung Kim, Moon Kyu Kim, Jung Chui Kim, Tae Wuk Bae, Eun Chang Choi