公开(公告)号：US20240204475A1

公开(公告)日：2024-06-20

申请号：US18530590

申请日：2023-12-06

Applicant: KOREA ADVANCED INSTITUTE OF SCIENCE AND TECHNOLOGY ,  KOREA RESEARCH INSTITUTE OF STANDARDS AND SCIENCE

Inventor： Hansuek LEE ,  In Hwan DO ,  Daewon SUK ,  Jae Hoon LEE ,  Hyun-Gue HONG ,  Dai-Hyuk YU

IPC: H01S3/30 ,  H01S3/094 ,  H01S3/131 ,  H01S3/067 ,  H01S3/16

CPC classification number: H01S3/302 ,  H01S3/094053 ,  H01S3/1312 ,  H01S3/06716 ,  H01S3/1608 ,  H01S2301/085

Abstract: An apparatus for generating optical frequency combs and solitons includes a pump laser configured to output a pump signal with a pump wavelength, and a resonator module connected to the pump laser through an optical path and including a resonator and a waveguide structured to adjust a degree of coupling. The resonator generates at least one of pump combs at the pump wavelength, Raman combs at a Raman scattering wavelength or solitons, through different nonlinear phenomena.

公开(公告)号：US12015755B2

公开(公告)日：2024-06-18

申请号：US17656049

申请日：2022-03-23

Applicant: Korea Advanced Institute of Science and Technology

Inventor： Min Hyuk Kim ,  Meuleman Andreas ,  Hyeonjoong Jang

IPC: H04N13/128 ,  H04N13/111 ,  H04N13/15 ,  H04N13/243 ,  H04N13/293 ,  H04N13/00

CPC classification number: H04N13/128 ,  H04N13/111 ,  H04N13/15 ,  H04N13/243 ,  H04N13/293 ,  H04N2013/0081

Abstract: Provided is a real-time omnidirectional stereo matching method in a camera system including a first pair of fisheye cameras including first and second fisheye cameras provided to perform shooting in opposite directions and a second pair of fisheye cameras including third and fourth fisheye cameras provided to perform shooting in opposite directions and in which the first pair of fisheye cameras and the second pair of fisheye cameras are vertically provided, including receiving fisheye images of a subject captured through the first to the fourth fisheye cameras; selecting one fisheye camera from among fisheye cameras for each pixel of a preset reference fisheye image among the fisheye images using a sweep volume for preset distance candidates; generating a distance map for all pixels using the reference fisheye image and a fisheye image of the one fisheye camera; and performing real-time stereo matching on the fisheye images using the distance map.

公开(公告)号：US12014202B2

公开(公告)日：2024-06-18

申请号：US17119197

申请日：2020-12-11

Applicant: SAMSUNG ELECTRONICS CO., LTD. ,  KOREA ADVANCED INSTITUTE OF SCIENCE AND TECHNOLOGY

Inventor： Jaehyung Ahn ,  Minsoo Rhu ,  Yujeong Choi

IPC: G06F9/46 ,  G06F9/48 ,  G06F15/16 ,  G06N3/04 ,  G06N3/08

CPC classification number: G06F9/461 ,  G06F9/485 ,  G06F15/161 ,  G06N3/04 ,  G06N3/08

Abstract: A method of operating the accelerator includes receiving a request for preemption during an execution of a first task using one or more processing elements included in the accelerator, in response to the request for preemption, moving context information of the first task stored in an internal memory of the accelerator to an external memory of the accelerator, and executing a second task associated with the request for preemption using the processing elements.

公开(公告)号：US12010302B2

公开(公告)日：2024-06-11

申请号：US18088615

申请日：2022-12-26

Applicant: KOREA ADVANCED INSTITUTE OF SCIENCE AND TECHNOLOGY

Inventor： Mun Churl Kim

IPC: H04N11/02 ,  G06F17/15 ,  G06N3/04 ,  H04N19/117 ,  H04N19/124 ,  H04N19/176 ,  H04N19/82

CPC classification number: H04N19/117 ,  G06F17/15 ,  G06N3/04 ,  H04N19/124 ,  H04N19/176 ,  H04N19/82

Abstract: Disclosed according to one exemplary embodiment includes not limited to: a filtering unit configured to generate filtering information by filtering a residual image corresponding to a difference between an original image and a prediction image; an inverse filtering unit configured to generate inverse filtering information by inversely filtering the filtering information; an estimator configured to generate the prediction image based on the original image and reconstruction information; a CNN-based in-loop filter configured to receive the inverse filtering information and the prediction image and to output the reconstruction information; and an encoder configured to perform encoding based on the filtering information and information of the prediction image, and wherein the CNN-based in-loop filter is trained for each of the plurality of artefact sections according to an artefact value or for each of the plurality of quantization parameter sections according to a quantization parameter.

公开(公告)号：US20240185033A1

公开(公告)日：2024-06-06

申请号：US18522374

申请日：2023-11-29

Applicant: Korea Advanced Institute of Science and Technology

Inventor： Chanyoung PARK ,  Namkyeong LEE ,  Jun Seok LEE

IPC: G06N3/045

CPC classification number: G06N3/045

Abstract: There is provided a method of training a graph neural network. The method comprises preparing the graph neural network including a first graph neural network and a second graph neural network; generating first node embeddings representing a training graph data as vectors using the first graph neural network; generating second node embeddings representing the training graph data as the vectors using the second graph neural network; generating third node embeddings by projecting a preset predictor onto the first node embeddings; determining a loss function such that a node embedding corresponding to a query node in the training graph data among the third node embeddings and a node embedding corresponding to real positive of the query node among the second node embeddings become close to each other; and training the first graph neural network using the loss function.

公开(公告)号：US20240176819A1

公开(公告)日：2024-05-30

申请号：US18386311

申请日：2023-11-02

Applicant: KOREA ADVANCED INSTITUTE OF SCIENCE AND TECHNOLOGY

Inventor： Changdong YOO ,  Sunjae YOON

IPC: G06F16/735 ,  G06F16/783 ,  G06V20/40

CPC classification number: G06F16/735 ,  G06F16/7837 ,  G06V20/41 ,  G06V20/46

Abstract: According to an embodiment of the present disclosure, a method for video moment retrieval performed by a computing device may include obtaining a pair of video and query to perform the video moment retrieval, determining based on meaning of the query whether a retrieval bias regarding the query has a positive effect on the video moment retrieval, and selectively removing the retrieval bias from a result of the video moment retrieval according to the determination result to generate a final retrieval result.

公开(公告)号：US20240176245A1

公开(公告)日：2024-05-30

申请号：US18435960

申请日：2024-02-07

Applicant: KOREA ADVANCED INSTITUTE OF SCIENCE AND TECHNOLOGY

Inventor： Jungchul SONG ,  Min Jun BAK ,  Wan-Gyu LEE ,  Jong-Wan PARK

IPC: G03F7/22 ,  G03F1/48 ,  G03F1/80 ,  G03F1/82 ,  G03F7/004

CPC classification number: G03F7/22 ,  G03F1/48 ,  G03F1/80 ,  G03F1/82 ,  G03F7/0046

Abstract: A patterning method includes: forming a first photoresist layer on a substrate; performing first divisional exposure on the first photoresist layer with first exposure energy, higher than or equal to threshold energy, using a reticle having lines and spaces of a mask pattern and an exposure apparatus; and shifting the reticle below a line width of the mask pattern and performing second divisional exposure on the first photoresist layer with second exposure energy, higher than or equal to the threshold energy, using the reticle to form a photoresist pattern. A spatial distribution of the first exposure energy may overlap a spatial distribution of the second exposure energy.

公开(公告)号：US20240171401A1

公开(公告)日：2024-05-23

申请号：US18387520

申请日：2023-11-07

Applicant: SAMSUNG SDS CO., LTD. ,  Korea Advanced Institute of Science and Technology

Inventor： Seongkwang KIM ,  Dukjae MOON ,  Jihoon KWON ,  Sangyub LEE ,  Jooyoung LEE ,  Mincheol SON ,  Byeonghak LEE ,  Jincheol HA

IPC: H04L9/32 ,  G06F17/16 ,  H04L9/06

CPC classification number: H04L9/3218 ,  G06F17/16 ,  H04L9/065

Abstract: A calculation method using an efficient one-way function in a zero-knowledge proof, performed by a computing device according to an embodiment of the disclosure includes calculating a second bit stream from one or more first substitution-boxes (S-boxes) by an input based on the first bit stream; calculating a third bit stream by inputting the second bit stream to a processing matrix; and calculating a fourth bit stream from one or more second S-boxes by an input based on the third bit stream.

公开(公告)号：US20240162494A1

公开(公告)日：2024-05-16

申请号：US18384192

申请日：2023-10-26

Applicant: Hyundai Motor Company ,  Kia Corporation ,  Korea Advanced Institute of Science and Technology

Inventor： Ko Eun Kim ,  Yoon Sung Lee ,  Sung Ho Ban ,  Jun Ki Rhee ,  Hui Beom Nam ,  Hyeon Gyu Moon ,  Nam-Soon Choi

IPC: H01M10/0567 ,  H01M4/525 ,  H01M4/583 ,  H01M10/42

CPC classification number: H01M10/0567 ,  H01M4/525 ,  H01M4/583 ,  H01M10/4235 ,  H01M10/052

Abstract: The present disclosure relates to an electrolyte solution for a lithium secondary battery capable of improving the output and lifespan characteristics at high temperature of a lithium secondary battery, and a lithium secondary battery including the same. An electrolyte solution for a lithium secondary battery includes a lithium salt, a solvent, and a functional additive, wherein the functional additive includes a negative-electrode film additive, which is silver p-toluenesulfonate.

公开(公告)号：US20240153599A1

公开(公告)日：2024-05-09

申请号：US18190784

申请日：2023-03-27

Applicant: Korea Advanced Institute Of Science And Technology

Inventor： Uichin LEE ,  Gyuwon JUNG ,  Heepyung KIM ,  Sangjun PARK

IPC: G16H10/20

CPC classification number: G16H10/20

Abstract: Disclosed is a system and method for supporting automated self-experimentation based on lifelog data for health behavior change. The system includes a data collection unit configured to collect data related to a user from a plurality of smart terminals and preprocess the data as variables that represent a lifelog of the user; a causal inference unit configured to establish a causal relationship hypothesis between the variables of the user and infer a causal relationship between the variables collected from the user using a statistical analysis method; a variable recommendation unit configured to recommend a variable for verifying the causal relationship through self-experimentation for the user based on an inference result acquired from the causal inference unit and an interaction of the user with the system; and a self-experimentation planning unit configured to plan and conduct an experiment to verify the causal relationship through the self-experimentation for the user.