Patents Assigned to Electronics and Telecommunications Research Institute
  • Publication number: 20240171935
    Abstract: There is provided a system for intelligent industrial safety monitoring. The system includes a global monitoring unit configured to generate first monitoring information by globally monitoring a work area of an industrial site, a local monitoring unit attached to a work object at work within the work area and configured to generate second monitoring information by monitoring a surrounding area of the work object, a communication unit configured to transmit and receive data to and from the global monitoring unit and the local monitoring unit, and a first controller configured to generate information on a location of the work object based on the first monitoring information and track a moving path of the work object and at least one second controller configured to predict an at-risk object that has approached within a predetermined distance of the work object based on the second monitoring information.
    Type: Application
    Filed: December 28, 2022
    Publication date: May 23, 2024
    Applicant: ELECTRONICS AND TELECOMMUNICATIONS RESEARCH INSTITUTE
    Inventors: Cheonshu PARK, Kye Kyung KIM, Sang Seung KANG, Moonki BACK, JaeMin CHO
  • Publication number: 20240171305
    Abstract: Disclosed herein are an apparatus and method for transmitting a covert message in wireless communication. The apparatus for transmitting a covert message in wireless communication may be configured to, in a covert message in which a data frame is composed of a Start Frame Delimiter (SFD), a header, a payload, and a Cyclic Redundancy Check (CRC), transmit the SFD of the covert message corresponding to a first sequence number masked with a preset SFD mask length, transmit the header of the covert message corresponding to a second sequence number masked with a preset header mask length, transmit the payload of the covert message corresponding to a third sequence number masked with a preset payload mask length, and transmit the CRC of the covert message corresponding to a fourth sequence number masked with a preset CRC mask length.
    Type: Application
    Filed: July 11, 2023
    Publication date: May 23, 2024
    Applicant: ELECTRONICS AND TELECOMMUNICATIONS RESEARCH INSTITUTE
    Inventors: Sang-Woo LEE, Yong-Sung JEON, Ha-Young SEONG, You-Sung KANG, Ik-Kyun KIM
  • Publication number: 20240169484
    Abstract: A non-uniform super-resolution method, device, and recording medium of an image of the present disclosure may include an image separation unit which separates an input image into a high-quality region and a low-quality region based on a quality map image, an image quality conversion unit which acquires a converted high-quality region by converting image quality of the high-quality region, and a first image combination unit which combines the converted high-quality region and the low-quality region to transmit them to a super-resolution network.
    Type: Application
    Filed: November 20, 2023
    Publication date: May 23, 2024
    Applicant: Electronics and Telecommunications Research Institute
    Inventors: Sang Woon KWAK, Han Shin LIM, Hyon Gon CHOO
  • Publication number: 20240168307
    Abstract: Disclosed is a polarized light generating device based on an optical waveguide, which includes first to fourth input optical waveguides, respectively, for receiving input light from an outside, first to fifth optical splitters configured to receive at least one light and output the received at least one light as at least one light, and an optical converter configured to receive at least one light from the fifth optical splitter and convert the received light to generate polarized light. The polarized light generating device receives the input light through one of the first to fourth input optical waveguides, and generates a first polarized light, a second polarized light, a third polarized light, and a fourth polarized light. The first to fourth polarized lights belong to elements of two arbitrary two-dimensional mutually unbiased basis sets.
    Type: Application
    Filed: November 21, 2023
    Publication date: May 23, 2024
    Applicant: Electronics and Telecommunications Research Institute
    Inventors: Kap Joong KIM, Chun Ju Youn, Young-Ho Ko, Minchul Kim, Seong Su Park, Kyongchun Lim, Byung-seok Choi, Joong-Seon Choe, Won Seok Han
  • Publication number: 20240164915
    Abstract: Provided are a method and apparatus for evaluating the control logic of an exoskeleton, wherein the method includes acquiring, by a human modeling module, characteristic data of a human model, acquiring, by a device modeling module, characteristic data of an exoskeleton, verifying, by a controllability determination module, a controllability that represents whether control is performable on a target body motion based on the characteristic data of the human model and the characteristic data of the exoskeleton, performing, by a simulation module, the target body motion based on a result verification of the controllability and acquiring simulation data generated during performance of the target body motion, and analyzing, by a performance evaluation module, the simulation data.
    Type: Application
    Filed: June 12, 2023
    Publication date: May 23, 2024
    Applicant: ELECTRONICS AND TELECOMMUNICATIONS RESEARCH INSTITUTE
    Inventors: Woojin KIM, HyunSuk KIM, Daewoong CHOI, Oh Cheon KWON, Daesub YOON, Seung-Jun LEE, Hyunwoo JOE
  • Publication number: 20240171245
    Abstract: Disclosed is a wireless communication system, specifically, an apparatus and method for configuring a primary cell carrier/secondary cell carrier (PCC/SCC) prioritization only based on extremely partial channel state information in a wireless communication system. Specifically, a method of operating a user equipment (UE) in a wireless communication system includes: transmitting a sounding reference signal (SRS) or channel state information (CSI) to a base station; receiving a signal from the base station on the basis of the SRS or the CSI; and estimating a number of multi-paths using a neural network for the received signal, wherein the estimating of the number of multi-paths includes: re-shaping the received signal; extracting a singular value of the reshaped signal; and estimating the number of multi-paths based on the extracted singular value.
    Type: Application
    Filed: November 16, 2023
    Publication date: May 23, 2024
    Applicant: ELECTRONICS AND TELECOMMUNICATIONS RESEARCH INSTITUTE
    Inventors: Jun Sik KIM, Woong Hee LEE, Minhoe KIM, Taewon SONG, Jung Im KIM, Soon Gi PARK, Sung Cheol CHANG, Sun Mi JUN, Yong Seouk CHOI
  • Publication number: 20240167938
    Abstract: Provided is a quantum imaging device. The device includes a first light source configured to generate first light, a first photon pair generation part configured to generate a first entangled photon pair using the first light, a first beam splitter configured to separate the first entangled photon pair into a first signal idler and a first signal line, a first detector configured to receive the first signal idler, a first mirror configured to provide the first signal line to a target, a second detector configured to receive the first signal line transmitted or reflected to the target, and a signal processor connected to the first and second detectors and configured to obtain a target image by comparing a measurement image with a reference image.
    Type: Application
    Filed: November 17, 2023
    Publication date: May 23, 2024
    Applicant: ELECTRONICS AND TELECOMMUNICATIONS RESEARCH INSTITUTE
    Inventors: Young-Ho KO, Chungheon BAEK, Hye Min KIM, Mireu LEE, Hyunhee CHO
  • Patent number: 11990924
    Abstract: A transformer-based amplifier, an operating method thereof, and devices including the same are disclosed. A millimeter wave amplifier includes a first transformer positioned on an input side of the millimeter wave amplifier, a second transformer positioned on an output side of the millimeter wave amplifier, and one or more of amplification stages positioned between the first transformer and the second transformer.
    Type: Grant
    Filed: January 17, 2022
    Date of Patent: May 21, 2024
    Assignee: ELECTRONICS AND TELECOMMUNICATIONS RESEARCH INSTITUTE
    Inventors: Hui Dong Lee, Sunwoo Kong, Bong Hyuk Park, Seunghyun Jang, Seok Bong Hyun
  • Patent number: 11989524
    Abstract: The present invention solves difficulties in constructing a dialogue corpus, ensures the accuracy of a system utterance, and evaluates a user utterance in a dialogue technology for language learning and a knowledge-grounded dialogue technology, in which a system and method is capable of helping a learner in language learning by constructing a language learning dialogue corpus using passages and exercises commonly used in language education and learning sites, training a dialogue model and a dialogue evaluation model with the language learning dialogue corpus, and allowing a user and a system to have a dialogue on the basis of a given passage. It is expected that it will be possible to implement a dialogue system for language learning that is capable of performing evaluation and easily expanding a domain (expansion of learning content).
    Type: Grant
    Filed: October 19, 2021
    Date of Patent: May 21, 2024
    Assignee: ELECTRONICS AND TELECOMMUNICATIONS RESEARCH INSTITUTE
    Inventor: Jinxia Huang
  • Patent number: 11989658
    Abstract: A method and an apparatus for exclusive reinforcement learning are provided, comprising: collecting information of states of an environment through the communication interface and performing a statistical analysis on the states using the collected information; determining a first state value of a first state among the states in a training phase and a second state value of a second state among the states in an inference phase based on analysis results of the statistical analysis; performing reinforcement learning by using one reinforcement learning unit of a plurality of reinforcement learning unit which performs reinforcement learnings from different perspectives according to the first state value; and selecting one of actions determined by the plurality of reinforcement learning unit based on the second state value and applying selected action to the environment.
    Type: Grant
    Filed: July 15, 2020
    Date of Patent: May 21, 2024
    Assignee: ELECTRONICS AND TELECOMMUNICATIONS RESEARCH INSTITUTE
    Inventors: Hyunseok Kim, Myung Eun Kim, Seonghyun Kim, Young Sung Son, Jongkwon Son, Soonyong Song, Donghun Lee, Ingook Jang, Jin Chul Choi
  • Patent number: 11991150
    Abstract: Disclosed herein are an apparatus and method for providing a remote work environment. The apparatus includes one or more processors and executable memory for storing at least one program executed by the one or more processors. The at least one program performs Virtual Private Network (VPN) authentication in response to a request for remote access to a work network from a user terminal, performs user authentication in order to connect the user terminal that succeeds in VPN authentication to the work network, decrypts the encrypted user data area of the user terminal that is connected to the work network, and provides the remote work environment to the user terminal based on the user data area through the work network.
    Type: Grant
    Filed: September 7, 2021
    Date of Patent: May 21, 2024
    Assignee: ELECTRONICS AND TELECOMMUNICATIONS RESEARCH INSTITUTE
    Inventors: Gak-Soo Lim, Sung-Jin Kim, Jung-Hwan Kang, Seung-Hun Han, Byung-Joon Kim
  • Patent number: 11989927
    Abstract: Disclosed herein are an apparatus and method for detecting a keypoint based on deep learning robust to scale changes based on information change across receptive fields. The apparatus for detecting a keypoint based on deep learning robust to scale changes based on information change across receptive fields includes a feature extractor for extracting a feature from an input image based on a pre-trained deep learning neural network, an information accumulation pyramid module for outputting, from the feature, at least two filter responses corresponding to receptive fields having different scales, an information change detection module for calculating an information change between the at least two filter responses, a keypoint detection module for creating a score map having a keypoint probability of each pixel based on the information change, and a continuous scale estimation module for estimating a scale of a receptive field having a biggest information change for each pixel.
    Type: Grant
    Filed: December 30, 2021
    Date of Patent: May 21, 2024
    Assignees: ELECTRONICS AND TELECOMMUNICATIONS RESEARCH INSTITUTE, INFORMATION TECHNOLOGY UNIVERSITY (ITU)
    Inventors: Yong-Ju Cho, Jeong-Il Seo, Rehan Hafiz, Mohsen Ali, Muhammad Faisal, Usama Sadiq, Tabasher Arif
  • Patent number: 11991675
    Abstract: Disclosed are a frame transmission method using a selective beamforming and a communication apparatus to perform the frame transmission method. The communication apparatus may determine a beamforming matrix based on classification information in which a plurality of subcarriers used for communication is classified into a plurality of frequency units, may map a long training field (LTF) sequence to the beamforming matrix, and transmit a beamforming training (BF-T) frame including the mapped LTF sequence to a plurality of stations, may receive, from the plurality of stations having receiving the BF-T frame, feedback information generated based on a reception strength of the BF-T frame, and may allocate frequency units to data frames to be transmitted to the plurality of stations based on the feedback information, and transmit the data frames using the allocated frequency units. The reception strength of the BF-T frame may be determined at each station for each frequency unit.
    Type: Grant
    Filed: November 10, 2020
    Date of Patent: May 21, 2024
    Assignee: Electronics and Telecommunications Research Institute
    Inventors: Yu Ro Lee, Jae Woo Park, Jae Seung Lee, Jee Yon Choi, Il Gyu Kim, Seung Chan Bang
  • Publication number: 20240159998
    Abstract: A reflection-type Fourier ptychographic microscopy (FPM), a control method of the reflection-type FPM, and a system thereof are disclosed. According to an embodiment of the present disclosure, a reflection FPM may include an objective lens; a light splitter connected to a member including the objective lens; a first illumination system including a first LED array composed of a plurality of LEDs for irradiating a first beam passing through the objective lens through the light splitter; a second illumination system including a plurality of LEDs for radiating a second beam to a measurement sample in a periphery of the objective lens, and repeatedly moving in an up and down direction based on a virtual center line penetrating the objective lens; and a camera.
    Type: Application
    Filed: October 5, 2023
    Publication date: May 16, 2024
    Applicant: Electronics and Telecommunications Research Institute
    Inventors: Yongjun LIM, Kwan-Jung OH
  • Publication number: 20240160423
    Abstract: Disclosed herein is a program conversion apparatus, which converts a first program to which homomorphic encryption is not applied into a second program to which the homomorphic encryption is applied, including a memory, which stores a first library for configuring the first program and a second library for configuring the second program, and a processor configured to convert the first program into the second program through conversion between operations provided by the first and second libraries.
    Type: Application
    Filed: November 9, 2023
    Publication date: May 16, 2024
    Applicant: Electronics and Telecommunications Research Institute
    Inventors: Seong Cheon PARK, Hyun Woo KIM, Su Yeon JANG
  • Publication number: 20240160930
    Abstract: Provided are a multitask learning apparatus and method for improving learning performance of heterogeneous small datasets. The multitask learning apparatus includes a first layer configured to generate feature vectors by projecting training data pairs generated from different tasks to one feature space, a second layer configured to extract a common feature from the projected feature vectors, and a third layer configured to draw each individual inference from the extracted common feature. Here, the first layer and the third layer are task-specific layers, and the second layer is a layer shared between tasks. The first layer, the second layer, and the third layer perform forward propagation in one artificial neural network.
    Type: Application
    Filed: November 15, 2023
    Publication date: May 16, 2024
    Applicant: ELECTRONICS AND TELECOMMUNICATIONS RESEARCH INSTITUTE
    Inventor: Jiwon YANG
  • Publication number: 20240160725
    Abstract: Disclosed herein are an apparatus and method for injecting control flow integrity security code based on a location. The apparatus identifies an indirect function call in input program code, generates indirect function call location information by analyzing the identified indirect function call, and injects control flow integrity security code into the program code using the generated indirect function call location information.
    Type: Application
    Filed: July 10, 2023
    Publication date: May 16, 2024
    Applicant: ELECTRONICS AND TELECOMMUNICATIONS RESEARCH INSTITUTE
    Inventors: GAE-IL AN, Dong-Wook KANG, HONG-IL JU
  • Publication number: 20240161492
    Abstract: The present invention relates to an image collection sensor device, an unmanned counting edge computing system and method using the same, and more particularly, to an image collection sensor device capable of providing a high-precision unmanned counting service using a low-power wireless image collection sensor device operated by a battery by analyzing unmanned counting result data that counts the number of persons included in image data, determining image sensor parameters of the image data, and adjusting a collection cycle and collection image quality of image sensor data according to environmental changes in a sensing area.
    Type: Application
    Filed: November 14, 2023
    Publication date: May 16, 2024
    Applicant: Electronics and Telecommunications Research Institute
    Inventors: Ryangsoo KIM, Sung Chang KIM, Hark YOO, Geun Yong KIM, Jaein KIM, Chorwon KIM, Hee Do KIM, Ji Hyoung RYU, Byung-Hee SON, Kicheoul WANG, Giha YOON
  • Publication number: 20240160859
    Abstract: The present invention relates to a multi-modality system for recommending multiple items using an interaction and a method of operating the same. The multi-modality system includes an interaction data preprocessing module that preprocesses an interaction data set and converts the preprocessed interaction data set into interaction training data; an item data preprocessing module that preprocesses item information data and converts the preprocessed item information data into item training data; and a learning module that includes a neural network model that is trained using the interaction training data and the item training data and outputs a result including a set of recommended items using a conversation context with a user as input.
    Type: Application
    Filed: November 13, 2023
    Publication date: May 16, 2024
    Applicant: ELECTRONICS AND TELECOMMUNICATIONS RESEARCH INSTITUTE
    Inventors: Eui Sok CHUNG, Hyun Woo KIM, Jeon Gue PARK, Hwa Jeon SONG, Jeong Min YANG, Byung Hyun YOO, Ran HAN
  • Publication number: 20240161432
    Abstract: Disclosed herein is a method for generating a virtual concert environment in a metaverse. The method may include collecting data related to a virtual concert, generating a multi-feature layer map for reflecting features of respective elements constituting a virtual concert environment based on the data and generating a virtual concert environment based on the multi-feature layer map, and aligning and matching an object in the virtual concert environment based on virtual space coordinates of a metaverse space.
    Type: Application
    Filed: June 1, 2023
    Publication date: May 16, 2024
    Applicant: ELECTRONICS AND TELECOMMUNICATIONS RESEARCH INSTITUTE
    Inventors: Jin-Sung CHOI, Ki-Hong KIM, Yong-Wan KIM