Abstract: The present invention relates to a system for inspecting a thickness. The system for inspecting a thickness includes at least one light source unit that irradiates an inspection target product with light, a sensor unit that acquires transmitted light image data or transmitted light power data of light transmitted through the inspection target product, and an apparatus for inspecting a thickness that inspects whether the thickness of the inspection target product is defective based on the transmitted light image data or the transmitted light power data.
Type:
Application
Filed:
December 12, 2024
Publication date:
June 19, 2025
Applicant:
Electronics and Telecommunications Research Institute
Inventors:
Sang Kyu LIM, Hyun Chul KANG, Yong Kwi LEE, Chang Beom KIM, Ji Yeon SON
Abstract: Disclosed are a method for spatial audio reproduction based on D-RIRs includes: selecting measurement points around a listener based on the location of the listener; calculating a D-RIR for the location of the listener based on D-RIRs for the measurement points around the listener; and reproducing spatial audio at the location of the listener based on the D-RIR at the location of the listener.
Type:
Grant
Filed:
February 10, 2023
Date of Patent:
June 17, 2025
Assignee:
Electronics and Telecommunications Research Institute
Inventors:
Dae Young Jang, Jiahong Zhao, Xiguang Zheng, Christian Ritz
Abstract: An image encoding/decoding method and apparatus are provided. An image encoding method performed by an image encoding apparatus may comprise determining an intra-prediction mode of a current block, configuring a reference sample of intra prediction by using at least one of a neighbor pixel of the current 5 block in a current picture and a pixel of a reference picture, and performing intra prediction for the current block based on the intra-prediction mode and the reference sample.
Type:
Application
Filed:
February 20, 2025
Publication date:
June 12, 2025
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, Ha Hyun LEE, Dong San JUN, Seung Hyun CHO, Hui Yong KIM, Jin Soo CHOI, Gwang Hoon PARK, Tae Hyun KIM, Dae Young LEE
Abstract: Provided is an electrochromic device for camouflage and a method for manufacturing the same. The device includes a lower plate including a lower substrate and a lower color-changing layer disposed on the lower substrate, an upper plate provided on the lower plate, including an upper substrate, an upper color-changing layer disposed on the upper substrate, and an upper hole that allows a portion of the lower color-changing layer to be exposed, a protective plate provided on the upper color-changing layer, and electrolyte disposed between the upper plate and the protective plate and provided in the upper hole of the upper plate.
Type:
Application
Filed:
December 4, 2024
Publication date:
June 12, 2025
Applicant:
Electronics and Telecommunications Research Institute
Inventors:
Chil Seong AH, Ji-Young OH, Tae-Youb KIM, Juhee SONG, Doo-Hee CHO
Abstract: Disclosed is an apparatus and method for processing a multichannel audio signal. A multichannel audio signal processing method may include: generating an N-channel audio signal of N channels by down-mixing an M-channel audio signal of M channels; and generating a stereo audio signal by performing binaural rendering of the N-channel audio signal.
Type:
Application
Filed:
February 17, 2025
Publication date:
June 12, 2025
Applicant:
Electronics and Telecommunications Research Institute
Inventors:
Yong Ju LEE, Jeong Il SEO, Seung Kwon BEACK, Kyeong Ok KANG, Jin Woong KIM, Jae Hyoun YOO
Abstract: The present invention relates to an image information decoding method. The decoding method includes receiving a bit stream including a Network Abstraction Layer (NAL) unit that includes information related to encoded image, and parsing a NAL unit header of the NAL unit. The NAL unit header may not include 1 bit flag information that represents whether a picture is a non-reference picture or a reference picture in the entire bit stream during encoding.
Type:
Application
Filed:
February 24, 2025
Publication date:
June 12, 2025
Applicant:
Electronics and Telecommunications Research Institute
Inventors:
Jung Won Kang, Ha Hyun Lee, Jin Soo Choi, Jin Woong Kim
Abstract: Disclosed is a neural network accelerator including a maximum value determiner outputting a maximum value based on a first magnitude component corresponding to first input data and a second magnitude component corresponding to second input data, a sign determiner outputting a sign component corresponding to the maximum value among a first sign component corresponding to the first input data and a second sign component corresponding to the second input data, as an output sign component, an offset operator quantizing a difference between the first magnitude component and the second magnitude component and outputting an output offset based on the first sign component, the second sign component, and the quantization result, and a magnitude operator calculating an output magnitude component of an output data based on the maximum value and the output offset. Each of the first input data and the second input data is data on a logarithm domain.
Type:
Grant
Filed:
April 23, 2021
Date of Patent:
June 10, 2025
Assignee:
Electronics and Telecommunications Research Institute
Abstract: The present invention relates to a method for encoding and decoding a quantized matrix and an apparatus using same, the method for encoding a quantized matrix according to the present invention comprising the steps of: determining a quantization matrix to be used for quantization and quantizing; determining the prediction method used for the quantization of the quantization matrix; and encoding quantization matrix information on the basis of the determined prediction method, wherein the prediction method can be either a prediction method between coefficients in the quantization matrix or a duplicate of the quantization matrix.
Type:
Grant
Filed:
August 17, 2023
Date of Patent:
June 10, 2025
Assignee:
Electronics and Telecommunications Research Institute
Inventors:
Sung Chang Lim, Hui Yong Kim, Jin Ho Lee, Jin Soo Choi, Jin Woong Kim
Abstract: Provided are a system and method for predicting time-series data. According to the system and method, first time-series data is externally input, and second time-series data which is time-series prediction data using an autoencoder-based time-series data prediction model (long-term time-series forecasting based on autoencoder (LTScoder)) is generated. The method includes an operation of receiving first time-series data, an encoding operation of inputting the first time-series data to an encoder of the model to generate a latent vector, a decoding operation of inputting the latent vector to a decoder of the model, and an operation of calculating a weighted sum of outputs of the decoder to generate second time-series data.
Type:
Application
Filed:
November 27, 2024
Publication date:
June 5, 2025
Applicant:
Electronics and Telecommunications Research Institute
Inventors:
GEUN YONG KIM, Chorwon Kim, HARK YOO, HEE DO KIM, Byung-Hee Son
Abstract: A method for automatic arrival location on a map and data-based route optimization, includes: generating, by one or more processors of a robot, a 2D LiDAR map using LiDAR sensors and cameras implemented on the robot, wherein the 2D LiDAR map includes information related to objects comprising a table or a chair; setting, by the one or more processors, an arrival location of the robot from the 2D LiDAR map.
Type:
Application
Filed:
November 21, 2024
Publication date:
June 5, 2025
Applicants:
Polaris3D Co., Ltd., Electronics and Telecommunications Research Institute
Inventors:
WooKyong KWON, HakJun LEE, Myeong Geun PARK, Su Yeong PARK
Abstract: Provided are a device and method for generating a defect image. The device includes a memory configured to store a plurality of normal patterns with different sizes and a plurality of defect patterns and a processor configured to generate a layout image including at least one layout, generate a composite image by acquiring at least one normal pattern corresponding to a physical feature of each layout of the layout image from the memory, and generate a defect image by integrating at least one defect pattern with the composite image.
Type:
Application
Filed:
December 4, 2024
Publication date:
June 5, 2025
Applicant:
Electronics and Telecommunications Research Institute
Abstract: Disclosed herein is a method for data augmentation, which includes pretraining latent variables using first data corresponding to target speech and second data corresponding to general speech, training data augmentation parameters by receiving the first data and the second data as input, and augmenting target data using the first data and the second data through the pretrained latent variables and the trained parameters.
Type:
Grant
Filed:
July 1, 2022
Date of Patent:
June 3, 2025
Assignee:
Electronics and Telecommunications Research Institute
Inventors:
Byung-Ok Kang, Jeon-Gue Park, Hyung-Bae Jeon
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:
Grant
Filed:
June 7, 2024
Date of Patent:
June 3, 2025
Assignees:
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
Abstract: Provided are an acoustic Luneburg meta lens including a lens structure on the substrate or a lens structure connected to each other by connecting rods, wherein the lens structure includes a plurality of unit structures, the volume of the unit structures decreases from the center of the lens structure toward an edge thereof, and positions of the unit structures are determined by direction components of a polar coordinate system or a spherical coordinate system, and a method for designing the acoustic Luneburg meta lens.
Type:
Grant
Filed:
December 23, 2021
Date of Patent:
June 3, 2025
Assignees:
Electronics and Telecommunications Research Institute, Mokpo National Maritime University Industry-Academic Cooperation Foundation
Inventors:
Gunn Hwang, Sang-Hoon Kim, Jung-Woo Kim
Abstract: Provided is a display device, wherein the display device includes a backplane, a control unit on the backplane, a light source between the backplane and the control unit, a transparent electrode connected to the control unit, and a shape control layer on the transparent electrode. The control unit is configured to control a voltage of the transparent electrode. The shape control layer includes an electro-active polymer (EAP).
Type:
Application
Filed:
November 22, 2024
Publication date:
May 29, 2025
Applicant:
Electronics and Telecommunications Research Institute
Inventors:
Chan-mo KANG, Sukyung CHOI, Byoung-Hwa KWON, Joo Yeon KIM, Kang Me LEE, Chunwon BYUN
Abstract: A method of detecting a biomolecule, a computing device performing the method, and a biomolecule detection system therefor are provided. The method includes receiving a terahertz signal that passed deionized water or reference material, receiving a terahertz signal that passed a target including a predetermined biomolecule, extracting a digital modulation characteristic for the received terahertz signal that passed the deionized water and the received terahertz signal that passed the target, and detecting the predetermined biomolecule included in the target by analyzing the extracted digital modulation characteristic, wherein the received terahertz signal that passed the deionized water and the received terahertz signal that passed the target are generated using a digitally modulated optical signal based on a transmission speed determined based on kinematics of the predetermined biomolecule.
Type:
Grant
Filed:
April 26, 2023
Date of Patent:
May 27, 2025
Assignee:
Electronics and Telecommunications Research Institute
Inventors:
Won Kyoung Lee, Eon-sang Kim, Sang Rok Moon, Joon Ki Lee, Seung-Hyun Cho
Abstract: Provided are a semiconductor-based temperature sensor and a method of operating the semiconductor-based temperature sensor. A temperature sensor includes an electrical temperature signal generator configured to generate a first electrical temperature signal that changes according to temperature and a second electrical temperature signal that changes according to temperature at a different rate from that of the first electrical temperature signal, a differential signal generator configured to generate a differential electrical temperature signal between the first electrical temperature signal and the second electrical temperature signal, and an analog digital converter (ADC) configured to convert the differential electrical temperature signal into digital temperature information.
Type:
Grant
Filed:
May 12, 2022
Date of Patent:
May 27, 2025
Assignee:
Electronics and Telecommunications Research Institute
Abstract: A method of a terminal may comprise: receiving, from a base station, configuration information of SSB resources; receiving, from the base station, configuration information of PRACH resources; receiving, from the base station, an SSB in a first SSB resource among the SSB resources; configuring a PRACH resource set associated with the first SSB resource based on the configuration information of the PRACH resources; and transmitting a first PRACH in a first PRACH resource belonging to the PRACH resource set and transmitting a second PRACH in a second PRACH resource belonging to the PRACH resource set, wherein the first PRACH and the second PRACH include a same preamble sequence and are transmitted using different beams.
Type:
Grant
Filed:
June 29, 2022
Date of Patent:
May 27, 2025
Assignee:
Electronics and Telecommunications Research Institute
Inventors:
Sung Hyun Moon, Cheul Soon Kim, Jung Hoon Lee