Patents Assigned to Electronics & Telecommunications Research Institute
  • Publication number: 20210227221
    Abstract: There is provided an image encoding/decoding method and apparatus. The image decoding method comprises decoding size information of a quantization group from a bitstream, acquiring a delta quantization parameter of a current block on the basis of the size information of the quantization group, and deriving a quantization parameter for the current block on the basis of the delta quantization parameter.
    Type: Application
    Filed: June 25, 2019
    Publication date: July 22, 2021
    Applicants: Electronics and Telecommunications Research Institute, INDUSTRY ACADEMY COOPERATION FOUNDATION OF SEJONG UNIVERSITY, INDUSTRY-UNIVERSITY COOPERATION FOUNDATION KOREA AEROSPACE UNIVERSITY
    Inventors: Sung Chang LIM, Jung Won KANG, Ha Hyun LEE, Jin Ho LEE, Hui Yong KIM, Yung Lyul LEE, Myung Jun KIM, Nam Uk KIM, Ji Youn JUNG, Yang Woo KIM, Jae Gon KIM
  • Publication number: 20210227222
    Abstract: There is provided an video encoding/decoding method and apparatus. The video decoding method comprises acquiring a bitstream including a predetermined context element, performing at least one of a context model determination, a probability update, and a probability interval determination on the predetermined syntax element, and arithmetically decoding the predetermined syntax element on the basis of a result of the performance.
    Type: Application
    Filed: June 12, 2019
    Publication date: July 22, 2021
    Applicants: Electronics and Telecommunications Research Institute, INDUSTRY-UNIVERSITY COOPERATION FOUNDATION KOREA AEROSPACE UNIVERSITY, INDUSTRY ACADEMY COOPERATION FOUNDATION OF SEJONG UNIVERSITY
    Inventors: Jin Ho LEE, Jung Won KANG, Ha Hyun LEE, Sung Chang LIM, Hui Yong KIM, Jae Gon KIM, Do Hyeon PARK, Yong Uk YOON, Yung Lyul LEE
  • Publication number: 20210224616
    Abstract: Provided is a system and method for fusion recognition using an active stick filter. The system for fusion recognition using the active stick filter includes a data input unit configured to receive input information for calibration between an image and a heterogeneous sensor, a matrix calculation unit configured to calculate a correlation for projection of information of the heterogeneous sensor, a projection unit configured to project the information of the heterogeneous sensor onto an image domain using the correlation, and a two-dimensional (2D) heterogeneous sensor fusion unit configured to perform stick calibration modeling and design and apply a stick calibration filter.
    Type: Application
    Filed: January 15, 2021
    Publication date: July 22, 2021
    Applicant: Electronics and Telecommunications Research Institute
    Inventors: Jin Woo KIM, Ki Tae KIM
  • Publication number: 20210227256
    Abstract: According to the present invention, an image encoding/decoding method comprises the steps of: performing an intra prediction on a current block so as to generate a prediction block; performing filtering on a filtering target pixel in the prediction block on the basis of the intra prediction mode of the current block so as to generate a final prediction block; and generating a reconstructed block on the basis of a reconstructed differential block corresponding to the current block and on the final prediction block. According to the present invention, image encoding/decoding efficiency can be improved.
    Type: Application
    Filed: April 2, 2021
    Publication date: July 22, 2021
    Applicant: Electronics and Telecommunications Research Institute
    Inventors: Jin Ho LEE, Hui Yong KIM, Sung Chang LIM, Jin Soo CHOI, Jin Woong KIM
  • Publication number: 20210226753
    Abstract: A reference signal (RS) transmission system to transmit a channel state information (CSI) RS for extraction of CSI to a relay and a macro terminal is disclosed. The base station transmits information on a sub frame containing the CSI RS to the relay or the macro terminal. The macro terminal and the relay receive the CSI RS using the information on the sub frame. The macro terminal and the relay extract the CSI using the CSI RS and transmit the extracted CSI to the base station.
    Type: Application
    Filed: April 8, 2021
    Publication date: July 22, 2021
    Applicant: Electronics and Telecommunications Research Institute
    Inventors: Hee Soo LEE, Tae Gyun NOH, Jae Young AHN, Kyoung Seok LEE, Young Jo KO
  • Publication number: 20210225146
    Abstract: Disclosed herein are a method and apparatus for detecting a disaster based on images. The apparatus includes an image capture unit for capturing video using at least one camera and controlling the camera based on a camera control signal received from the outside; a disaster detection unit for generating a disaster log based on the video captured using the camera; a disaster analysis unit for calculating a disaster occurrence probability value based on the disaster log and determining whether to enter a camera control mode based on the disaster occurrence probability value; and a disaster alert unit for warning of a disaster based on a disaster alert request signal.
    Type: Application
    Filed: December 14, 2020
    Publication date: July 22, 2021
    Applicant: Electronics and Telecommunications Research Institute
    Inventors: Sang-Won GHYME, Hye-Jin KIM, Seon-Ho OH, Geon-Woo KIM, Sang-Wook PARK, So-Hee PARK, Su-Wan PARK, Kyung-Soo LIM, Bum-Suk CHOI, Seung-Wan HAN, Jong-Wook HAN
  • Publication number: 20210226831
    Abstract: Disclosed is a technique related to a method and apparatus for generating a preamble and a data frame for wireless communication, and to a synchronization estimation method using the preamble. According to the technique, a method for generating a frame for wireless communication is disclosed, wherein the method comprises: a step of generating a modified sequence using a first base sequence for synchronization estimation; and a step of allocating the first base sequence and the modified sequence to the frequency domain of a first timeslot to generate a preamble. The modified sequence includes a complex conjugated sequence of the first base sequence or a sequence having a code different from that of the first base sequence.
    Type: Application
    Filed: April 2, 2021
    Publication date: July 22, 2021
    Applicant: ELECTRONICS AND TELECOMMUNICATIONS RESEARCH INSTITUTE
    Inventors: Kapseok CHANG, Wooyong LEE, Hyun-Kyu CHUNG
  • Publication number: 20210227210
    Abstract: The present invention relates to a method and apparatus for video encoding/decoding by using a geometric modified picture. The encoding method according to the present invention includes: generating a geometric modified picture by geometrically modifying a reference picture; and generating a first prediction block of a current block by performing inter prediction referencing the geometric modified picture.
    Type: Application
    Filed: April 2, 2021
    Publication date: July 22, 2021
    Applicants: Electronics and Telecommunications Research Institute, University-Industry Cooperation Group of Kyung Hee University
    Inventors: Jung Won KANG, Hyun Suk KO, Sung Chang LIM, Jin Ho LEE, Dong San JUN, Hui Yong KIM, Gwang Hoon PARK, Jin Soo CHOI, Tae Hyun KIM, Dae Young LEE, Young Su HEO
  • Patent number: 11067679
    Abstract: Provided is a narrow-band radar device including an orthogonal code generator configured to generate a plurality of orthogonal generators, a pseudo-noise code generator configured to generate a plurality of pseudo-noise codes, a radar transmitter configured to spread-modulate transmission data using the plurality of orthogonal codes and pseudo-noise codes, and a radar receiver configured to demodulate a reception signal using the plurality of orthogonal codes and pseudo-noise codes, and calculate at least one of an azimuth angle, elevation angel, speed, or range of a target from the demodulated reception signal.
    Type: Grant
    Filed: April 18, 2018
    Date of Patent: July 20, 2021
    Assignee: Electronics and Telecommunications Research Institute
    Inventors: Ik Soo Eo, Bon Tae Koo
  • Patent number: 11067678
    Abstract: A radar device according to an embodiment of the inventive concept includes a clock generator, a transmitter, a receiver, and a signal processor. The clock generator outputs the transmission clock, outputs the reception clock at the second time after the delay from the first time when the transmission clock is outputted, and generates the notification signal when the delay has the minimum value. The transmitter emits a transmission signal based on the transmission clock. The receiver receives an echo signal corresponding to the transmission signal, and generates a first signal corresponding to the echo signal based on the reception clock. The signal processor obtains a third time point at which a delay has the minimum value based on the notification signal.
    Type: Grant
    Filed: July 17, 2018
    Date of Patent: July 20, 2021
    Assignee: ELECTRONICS AND TELECOMMUNICATIONS RESEARCH INSTITUTE
    Inventors: Pil Jae Park, Seongdo Kim, Bon Tae Koo
  • Patent number: 11070488
    Abstract: Provided are a system and method for controlling a workflow across domains on the basis of a hierarchical engine framework. Inventive workflow control makes it possible to configure a flexible hierarchical engine framework and provide a workflow service with low latency. Also, the system and method make it possible to control a workflow by building an engine and a data pipeline across domains.
    Type: Grant
    Filed: December 27, 2018
    Date of Patent: July 20, 2021
    Assignee: Electronics and Telecommunications Research Institute
    Inventors: Tae Wan You, Yeon Hee Lee, Cheol Sig Pyo, Yong Geun Hong, Min Suk Kim, Woong Shik You, Seong Ik Cho, Hyun Joong Kang, Kwi Hoon Kim, Hyun Jae Kim, Ho Sung Lee, Jung Ha Hong
  • Patent number: 11064906
    Abstract: A method and apparatus for determining a respiration state on the basis of a plurality of biological indicators calculated using bio-signals. The method for determining a respiration state on the basis of a plurality of biological indicators calculated using bio-signals includes collecting a photoplethysmography (PPG) signal measured by a PPG sensor and a cutaneous electric signal measured by an electrodermal activity (EDA) sensor; analyzing the collected PPG signal and cutaneous electric signal and calculating a plurality of biological indicators including a respiration rate; and comprehensively evaluating the plurality of biological indicators to determine a user's respiration state.
    Type: Grant
    Filed: January 29, 2019
    Date of Patent: July 20, 2021
    Assignee: ELECTRONICS AND TELECOMMUNICATIONS RESEARCH INSTITUTE
    Inventors: Hyun Soon Shin, Do Hyung Kang, Chan Young Hahm, Seung Yoon Nam, John Lorenzo
  • Patent number: 11070327
    Abstract: The present invention discloses a method of re-transmission of a lost MMT packet by a packet transmission apparatus. The method includes generating a media processing unit (MPU) based on a media fragment unit (MFU) and generating an MMT asset by encapsulating the MPU; generating an MMT packet based on the MPU included in the generated MMT asset; and transmitting the generated MMT packet, wherein the method further comprises adding, in a signaling message related to re-transmission of the MMT packet, delay_constrained_ARQ_flag to indicate whether or not the MMT packet transmission apparatus supports a delay-constrained automatic repeat request (ARQ) function.
    Type: Grant
    Filed: November 21, 2019
    Date of Patent: July 20, 2021
    Assignees: Electronics and Telecommunications Research Institute, Yonsei University Wonju Industry-Academic Cooperation Foundation
    Inventors: Chang Ki Kim, Kwang Deok Seo, Jeong Ju Yoo, Jin Woo Hong
  • Patent number: 11071015
    Abstract: A method for access traffic steering, switching, and splitting (ATSSS) in a network and a network entity for performing the method are disclosed. When the execution of the ATSSS from the first access network to the second access network is determined, a first message requesting the SMF to confirm the connection state of the terminals for the first access network and the second access network may be transmitted to AMF. The SMF may receive information on the connection state of the terminal from the AMF.
    Type: Grant
    Filed: May 30, 2019
    Date of Patent: July 20, 2021
    Assignee: Electronics and Telecommunications Research Institute
    Inventors: Sun Mi Jun, Young Il Choi
  • Patent number: 11070639
    Abstract: A network infrastructure system implements data sharing and processing by using a network infrastructure to which an application terminal or application server constituting an application domain is connected in a shared manner, includes a plurality of network infrastructure nodes storing, processing, sharing data, wherein each of the plurality of network infrastructure nodes includes a data processing module including a data transfer function, a data distribution function, a data processing function, and a data sharing function which are provided to at least one of the application terminal and the application server.
    Type: Grant
    Filed: September 14, 2018
    Date of Patent: July 20, 2021
    Assignee: ELECTRONICS AND TELECOMMUNICATIONS RESEARCH INSTITUTE
    Inventors: Sun Me Kim, Nam Seok Ko, Sang Ki Kim, Sung Hyuk Byun, Dong Il Seo, Jea Hoon Yu, Tae Whan Yoo, Seung Hyun Yoon, Sang Ho Lee
  • Patent number: 11068394
    Abstract: Provided is a neural network system for processing data transferred from an external memory. The neural network system includes an internal memory storing input data transferred from the external memory, an operator performing a multidimensional matrix operation by using the input data of the internal memory and transferring a result of the multidimensional array operation as output data to the internal memory, and a data moving controller controlling an exchange of the input data or the output data between the external memory and the internal memory. The data moving controller reorders a dimension order with respect to an access address of the external memory to generate an access address of the internal memory, for the multidimensional matrix operation.
    Type: Grant
    Filed: September 11, 2019
    Date of Patent: July 20, 2021
    Assignee: Electronics and Telecommunications Research Institute
    Inventors: Jeongmin Yang, Young-Su Kwon
  • Patent number: 11065034
    Abstract: An automatic hair implanter is capable of continuously performing hair transplantation work by applying a structure of a conventional manual hair implanter. The automatic hair implanter (hair transplantation device) comprises a rotating magazine therein, and several needle modules are stored in the magazine. Two pushrods, which are positioned on a rear portion of the device and capable of translational motion, play a role of pushing a needle and a shaft, which constitute a needle module, forward. The needle and the shaft may be moved backward by a spring positioned inside the magazine.
    Type: Grant
    Filed: February 27, 2019
    Date of Patent: July 20, 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 Chul Kim, Tae Wuk Bae, Soo In Lee, Eun Chang Choi
  • Publication number: 20210218962
    Abstract: The present invention relates to a video encoding/decoding method and apparatus. The video decoding method according to the present invention may comprise decoding filter information on a coding unit; classifying samples in the coding unit into classes on a per block classification unit basis; and filtering the coding unit having the samples classified into the classes on a per block classification unit basis by using the filter information.
    Type: Application
    Filed: November 29, 2018
    Publication date: July 15, 2021
    Applicant: Electronics and Telecommunications Research Institute
    Inventors: Sung Chang LIM, Jung Won KANG, Ha Hyun LEE, Dong San JUN, Hyun Suk KO, Jin Ho LEE, Hui Yong KIM
  • Publication number: 20210217229
    Abstract: The present invention relates to a plenoptic cloud generation method, the method of generating a plenoptic point cloud according to one embodiment of the present invention, the method comprises, obtaining a two-dimensional (2D) image for each view and depth information obtained from a plurality of cameras, determining a method of generating a plenoptic point cloud and generating the plenoptic point cloud by applying the determined method of generating the plenoptic point cloud to at least one of the 2D image for each view or the depth information, wherein the method of generating the plenoptic point cloud includes at least one of a simultaneous generation method of the point cloud and a sequential generation method of the point cloud.
    Type: Application
    Filed: December 3, 2020
    Publication date: July 15, 2021
    Applicants: Electronics and Telecommunications Research Institute, HANDONG GLOBAL UNIVERCITY INDUSTRY- ACADEMIC COOPERATION FOUNDATION
    Inventors: Ha Hyun LEE, Jung Won KANG, Soo Woong KIM, Gun BANG, Jin Ho LEE, Sung Chang LIM, Sung Soo HWANG, Se Hui KANG, Ji Won MOON, Mu Hyun BACK, Jin Kyu LEE, Hyun Min HAN
  • Publication number: 20210218982
    Abstract: A method for decoding an image according to the present invention comprises the steps of: decoding a residual block by quantizing and inverse transforming an entropy-decoded residual block; generating a prediction block via motion compensation; and decoding an image by adding the decoded residual block to the prediction block, wherein on the basis of the maximum number of motion vector candidates of the motion vector candidate list related to the prediction block, a motion vector candidate list is adjusted by adding a particular motion vector candidate or by discarding a portion from among the motion vector candidates, and in the prediction block generation step, a prediction motion vector of the prediction block is determined on the basis of the adjusted motion vector candidate list. Accordingly, the complexity of arithmetic operations is reduced during encoding/decoding of an image.
    Type: Application
    Filed: March 26, 2021
    Publication date: July 15, 2021
    Applicant: Electronics and Telecommunications Research Institute
    Inventors: Sung Chang LIM, Hui Yong KIM, Jin Ho LEE, Jin Soo CHOI, Jin Woong KIM