Patents Assigned to Electronics and Telecommunications Research Institute
  • Publication number: 20240232648
    Abstract: Disclosed herein are a multimodal unsupervised meta-learning method and apparatus. The multimodal unsupervised meta-learning method includes training, by a multimodal unsupervised feature representation learning unit, an encoder configured to extract features of individual single-modal signals from a source multimodal dataset, generating, by a multimodal unsupervised task generation unit, a source task based on the features of individual single-modal signals, deriving, by a multimodal unsupervised learning method derivation unit, a learning method from the source task using the encoder, and training, by a target task performance unit, a model based on the learning method and features extracted from a small number of target datasets by the encoder, thus performing the target task.
    Type: Application
    Filed: December 12, 2023
    Publication date: July 11, 2024
    Applicant: ELECTRONICS AND TELECOMMUNICATIONS RESEARCH INSTITUTE
    Inventors: Hyun-Woo KIM, Hwa-Jeon SONG, Jeong-Min YANG, Byung-Hyun YOO, Eui-Sok CHUNG, Ran HAN
  • Publication number: 20240233193
    Abstract: The present invention relates to a method and apparatus for encoding a displacement video using image tiling. A method for encoding multi-dimensional data according to an embodiment of the present disclosure may comprise: converting the multi-dimensional data into one or more frames with two-dimensional characteristics; generating one or more frame groups by grouping the one or more frames with pre-configured number units; reconstructing frames belonging to each frame group into a tiled frame; and generating a bitstream by encoding the tiled frame. Here, the tiled frame may be constructed with one or more blocks, and each block may be constructed by rearranging pixels existing at the same location in the frames.
    Type: Application
    Filed: October 18, 2023
    Publication date: July 11, 2024
    Applicant: Electronics and Telecommunications Research Institute
    Inventors: Da Yun NAM, Hyun Cheol KIM, Jeong Il SEO, Seong Yong LIM, Chae Eun RHEE, Gwang Cheol RYU, Yong Wook SEO, Hyun Min JUNG
  • Publication number: 20240236729
    Abstract: A wireless communication system is proposed. More particularly, an apparatus and a method for measuring and reporting performance monitoring data in a wireless communication system are proposed. Specifically, the operation method of a user plane function (UPF) in a wireless communication system includes receiving a QoS monitoring request from a session management function (SMF), wherein the QoS monitoring request may include monitoring of at least one of a data rate, a congestion level, a packet transmission count, a packet retransmission count, a packet retransmission ratio, a packet drop count, or a packet drop ratio.
    Type: Application
    Filed: September 20, 2023
    Publication date: July 11, 2024
    Applicant: Electronics and Telecommunications Research Institute
    Inventors: Jeoung Lak HA, Changki KIM, Jaewook LEE, Seung Han CHOI
  • Publication number: 20240233145
    Abstract: Provided are a device and method for tagging training data. The method includes detecting and tracking one or more objects included in a video using artificial intelligence (AI), when there is an object to be split in a result of tracking the detected objects, splitting the object in object units, and when there are identical objects to be merged among split objects, merging the objects.
    Type: Application
    Filed: October 19, 2023
    Publication date: July 11, 2024
    Applicant: Electronics and Telecommunications Research Institute
    Inventors: Ho Sub YOON, Jae Hong KIM, Jong Won MOON, Jae Yoon JANG
  • Publication number: 20240236339
    Abstract: A video encoding method includes classifying a plurality of view images into a basic image and additional images, performing pruning on at least one of the plurality of view images on the basis of the classification result, generating an atlas on the basis of the pruning result, and encoding the atlas and metadata for the atlas. Here, the metadata includes a first flag indicating whether depth estimation needs to be performed on a decoder side.
    Type: Application
    Filed: October 20, 2023
    Publication date: July 11, 2024
    Applicant: ELECTRONICS AND TELECOMMUNICATIONS RESEARCH INSTITUTE
    Inventors: Jun Young JEONG, Gwang Soon LEE, Dawid Mieloch, Adrian Dziembowski, Marek Domanski
  • Publication number: 20240236730
    Abstract: The present disclosure relates generally to a wireless communication system. More particularly, the present disclosure relates to an apparatus and a method for performing a session management event exposure service for user data monitoring in a wireless communication system.
    Type: Application
    Filed: October 4, 2023
    Publication date: July 11, 2024
    Applicant: Electronics and Telecommunications Research Institute
    Inventors: Changki KIM, Jeoung Lak HA, Yoo Hwa KANG, Kyung Soo KIM
  • Publication number: 20240236646
    Abstract: Disclosed herein is a method for managing an embedded Subscriber Identity Module (eSIM) profile. The method may include installing a common profile in multiple devices to perform provisioning, selecting a representative device from among the multiple devices, establishing a communication channel in the representative device, receiving, by the representative device, profile information for the multiple devices from a server, and transferring, by the representative device, the profile information to the respective devices.
    Type: Application
    Filed: November 28, 2023
    Publication date: July 11, 2024
    Applicant: ELECTRONICS AND TELECOMMUNICATIONS RESEARCH INSTITUTE
    Inventors: Bo-Heung CHUNG, You-Sung KANG, Keon-Woo KIM, Byoung-Koo KIM, Tae-Sung KIM, Seung-Yong YOON
  • Publication number: 20240231079
    Abstract: Provided is a laser scanner. The laser scanner includes a laser transmitter configured to output a laser radiated towards an object, a laser receiver configured to receive a laser reflected from the object, and an oscillating mirror of which a mirror surface is coated with a thin metal film to reflect the received laser reflected from the object and be penetrated by an electromagnetic wave incident from an outside the laser scanner. The received laser reflected from the object is reflected by the mirror surface of the oscillating mirror coated with the thin metal film and received by a laser receiver, and the electromagnetic wave incident from the outside the laser scanner penetrates the mirror surface of the oscillating mirror and then dissipates.
    Type: Application
    Filed: January 6, 2023
    Publication date: July 11, 2024
    Applicant: ELECTRONICS AND TELECOMMUNICATIONS RESEARCH INSTITUTE
    Inventors: Jung Hwan HWANG, Jong Hwa KWON, Chang Hee HYOUNG
  • Publication number: 20240235511
    Abstract: A rendering method of an object-based audio signal and an apparatus for performing the same are provided. The rendering method of an object-based audio signal includes obtaining a rendered audio signal, performing clipping prevention on the rendered audio signal using a first limiter, mixing a signal output by the first limiter using a mixer, and performing clipping prevention on the mixed signal using a second limiter.
    Type: Application
    Filed: October 3, 2023
    Publication date: July 11, 2024
    Applicant: Electronics and Telecommunications Research Institute
    Inventors: Yong Ju LEE, Jae-hyoun YOO, Dae Young JANG, Soo Young PARK, Young Ho JEONG, Kyeongok KANG, Tae Jin LEE
  • Publication number: 20240236779
    Abstract: Disclosed is a technique for switching from a master node to a secondary node in a communication system. A method of a first communication node may comprise: adding the first communication node as a primary secondary cell (PSCell) to a second communication node through dual connectivity (DC); generating a first user plane path for smart dynamic switching (SDS) and a first instance for supporting the first user plane path according to a request from the second communication node; transmitting information on the first user plane path and the first instance to a terminal; receiving user data based on the first user plane path from the terminal as the first instance; and transmitting the user data to a core network using the first user plane path.
    Type: Application
    Filed: October 23, 2023
    Publication date: July 11, 2024
    Applicant: ELECTRONICS AND TELECOMMUNICATIONS RESEARCH INSTITUTE
    Inventors: Soon Gi PARK, Young-Jo KO, IL GYU KIM, Jung Im KIM, Jun Sik KIM, Sung Cheol CHANG, Sun Mi JUN, Yong Seouk CHOI
  • Publication number: 20240233370
    Abstract: A method, an image processing apparatus, and a system for generating a road image by using two-dimensional map data are proposed. The method includes receiving, by an image processing apparatus, an input of the map data of a specific area, extracting, by the image processing apparatus, road geometry information and road attribute information of a road from the map data, determining, by the image processing apparatus, road object standard information matched with the road attribute information for at least one road element of the road, generating, by the image processing device, style information for the at least one road element on a basis of at least one of the road attribute information and the road object standard information, and applying, by the image processing apparatus, the style information to the road geometry information to generate a basic road image including the road and the at least one road element.
    Type: Application
    Filed: October 18, 2023
    Publication date: July 11, 2024
    Applicant: ELECTRONICS AND TELECOMMUNICATIONS RESEARCH INSTITUTE
    Inventors: Inhak JOO, In Sung JANG
  • Publication number: 20240230503
    Abstract: Provided are a multiwavelength photoelectric smoke detection apparatus and method, which reduce non-fire alerts by distinguishing smoke caused by actual fire occurrence and non-fire smoke occurring in daily life when a suspected fire event occurs. The multiwavelength photoelectric smoke detection apparatus includes a chamber in which a smoke inlet is formed, a light emitter for generating light with multiple wavelengths, a light receiver for detecting scattered light due to smoke particles, a controller for turning a light source of the light emitter on and off and detecting a scattered light signal from the light receiver, and a fire determination part for determining whether an amplitude of the detected scattered light signal exceeds a threshold value and generating an alarm.
    Type: Application
    Filed: December 29, 2023
    Publication date: July 11, 2024
    Applicant: ELECTRONICS AND TELECOMMUNICATIONS RESEARCH INSTITUTE
    Inventors: Hoe-Sung YANG, Kang Bok LEE, Kwang-Soo CHO
  • Publication number: 20240236319
    Abstract: Disclosed herein are a video decoding method and apparatus and a video encoding method and apparatus. In video encoding and decoding, multiple partition blocks are generated by splitting a target block. A prediction mode is derived for at least a part of the multiple partition blocks, among the multiple partition blocks, and prediction is performed on the multiple partition blocks based on the derived prediction mode. When prediction is performed on the partition blocks, information related to the target block may be used, and information related to an additional partition block, which is predicted prior to the partition block, may be used.
    Type: Application
    Filed: January 4, 2024
    Publication date: July 11, 2024
    Applicants: ELECTRONICS AND TELECOMMUNICATIONS RESEARCH INSTITUTE, INDUSTRY-UNIVERSITY COOPERATION FOUNDATION KOREA AEROSPACE UNIVERSITY, HANBAT NATIONAL UNIVERSITY INDUSTRY-ACADEMIC COOPERATION FOUNDATION
    Inventors: Jin-Ho LEE, Jung-Won KANG, Hyunsuk KO, Sung-Chang LIM, Dong-San JUN, Ha-Hyun LEE, Seung-Hyun CHO, Hui-Yong KIM, Hae-Chul CHOI, Dae-Hyeok GWON, Jae-Gon KIM, A-Ram BACK
  • Publication number: 20240232463
    Abstract: Provided are a device and method for evaluating performance of a wearable muscle enhancement device.
    Type: Application
    Filed: July 20, 2023
    Publication date: July 11, 2024
    Applicant: Electronics and Telecommunications Research Institute
    Inventors: HyunSuk KIM, Woojin KIM, Daewoong CHOI, Oh Cheon KWON, Daesub YOON, Seung-Jun LEE, Hyunwoo JOE
  • Publication number: 20240235176
    Abstract: Disclosed is a discontinuous jump current breaker, in an AC power system having an insulating material that exhibits nonlinear electrical characteristics between two electrodes, which blocks an AC power by observing a discontinuous jump current in which an insulator-metal transition occurs. The discontinuous jump current breaker includes a setting unit that sets the magnitude of a discontinuous jump current, a sensor unit including a metallic wire (Republic of Korea Patent Registration No. 10-1981640) parallel to an AC power wire, located at a separation distance d?0, and that measures electromagnetic waves of an AC power, an amplifier unit that amplifies an analog signal of the metal wire, an analog-to-digital converter that converts the amplified analog signal to digital, a microcontroller unit including a memory unit for storing a program that drives the system, and a power blocking unit that blocks the discontinuous jump current.
    Type: Application
    Filed: November 8, 2022
    Publication date: July 11, 2024
    Applicant: Electronics and Telecommunications Research Institute
    Inventors: Hyun-Tak KIM, Tae Moon ROH
  • Publication number: 20240232002
    Abstract: Disclosed herein are a method and an apparatus for storing blockchain data based on error correction code. The method for storing blockchain data based on error correction code includes dividing block data to be stored into multiple subblock datasets, generating parity datasets corresponding to the block data, and storing the subblock datasets and the parity datasets in proportion to storage capacities of the blockchain data storage nodes.
    Type: Application
    Filed: October 18, 2023
    Publication date: July 11, 2024
    Applicant: ELECTRONICS AND TELECOMMUNICATIONS RESEARCH INSTITUTE
    Inventors: Chang-Soo KIM, Myung-Cheol LEE
  • Publication number: 20240236846
    Abstract: A method of a first base station may comprise: determining, by a MT of the first base station, whether there is a terminal connected to a BSU of the first base station, when a power-off condition is satisfied in the BSU; instructing, by the MT, the terminal, which is connected to the BSU, to be handed over to a second base station, when there is a terminal connected to the BSU; instructing, by the MT, the BSU to power off the BSU, when the handover of the terminal, which is connected to the BSU, is completed; and transmitting, by the MT, a first message, which indicates a power-off state of the first base station, to the second base station, when the BSU is powered off.
    Type: Application
    Filed: October 19, 2023
    Publication date: July 11, 2024
    Applicant: ELECTRONICS AND TELECOMMUNICATIONS RESEARCH INSTITUTE
    Inventors: Jae Su SONG, Hee Sang CHUNG
  • Publication number: 20240225484
    Abstract: Disclosed is a mechanochromic array patch that implements, as a color change, a strain applied to a skin surface due to musculoskeletal movement. The mechanochromic array patch may include stretchable mechanochromic color-changing parts, a polymer connection part that connects the mechanochromic color-changing parts, and a water-insoluble support part. The polymer connection part may have a higher elastic modulus compared to the mechanochromic color-changing parts.
    Type: Application
    Filed: October 13, 2023
    Publication date: July 11, 2024
    Applicant: Electronics and Telecommunications Research Institute
    Inventors: JAE JOON KIM, Chan Woo PARK, Seong Hyun KIM, Sujung KIM, Bock Soon NA, Jeho NA, Su Jae LEE
  • Publication number: 20240232717
    Abstract: Disclosed herein is an apparatus for processing a predictive spatiotemporal query based on synthetic data. The apparatus includes a query-processing unit for analyzing a predictive spatiotemporal query of a user and returning a processing result, a machine-learning unit for training a machine-learning model in response to a request from the query-processing unit and generating synthetic spatiotemporal data based on the machine-learning model, and a data storage unit for storing raw spatiotemporal data and the generated synthetic spatiotemporal data, and the raw spatiotemporal data may be stored in the form of a table including an identifier column and a position column.
    Type: Application
    Filed: October 20, 2023
    Publication date: July 11, 2024
    Applicant: ELECTRONICS AND TELECOMMUNICATIONS RESEARCH INSTITUTE
    Inventors: Tae-Whi LEE, Sung-Soo KIM, Choon-Seo PARK, Ki-Hyuk NAM, Taek-Yong NAM
  • Patent number: 12033276
    Abstract: Disclosed herein are a learning-based three-dimensional (3D) model creation apparatus and method. A method for operating a learning-based 3D model creation apparatus includes generating multi-view feature images using supervised learning, creating a three-dimensional (3D) mesh model using a point cloud corresponding to the multi-view feature images and a feature image representing internal shape information, generating a texture map by projecting the 3D mesh model into three viewpoint images that are input, and creating a 3D model using the texture map.
    Type: Grant
    Filed: December 14, 2021
    Date of Patent: July 9, 2024
    Assignee: ELECTRONICS AND TELECOMMUNICATIONS RESEARCH INSTITUTE
    Inventors: Seong-Jae Lim, Tae-Joon Kim, Seung-Uk Yoon, Seung-Wook Lee, Bon-Woo Hwang, Jin-Sung Choi