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公开(公告)号：US20240233085A9
公开(公告)日：2024-07-11
申请号：US18376891
申请日：2023-10-05
Applicant: GWANGJU INSTITUTE OF SCIENCE AND TECHNOLOGY
Inventor： Bochang MOON , Jeongmin GU
CPC classification number: G06T5/50 , G06T5/002 , G06T2207/10024 , G06T2207/20084 , G06T2207/20212
Abstract: The present disclosure relates to an apparatus and method for improving image quality by combining an unbiased image and a biased image using a James-Stein combiner. An apparatus for improving image quality using a James-Stein combiner according to the present disclosure includes an unbiased image buffer configured to output an unbiased image block, a biased image buffer configured to output a biased image block, a sample variance buffer configured to output a sample variance of the unbiased image, an artificial neural network model configured to derive a variance weight per pixel, a variance estimator configured to output a variance estimate of the unbiased image block, and a James-Stein combiner configured to locally combine the biased image block, the unbiased image block, and the variance estimate of the unbiased image block by applying a James-Stein combination equation.
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72.发明公开公开(公告)号：US20240216873A1
公开(公告)日：2024-07-04
申请号：US18397353
申请日：2023-12-27
Applicant: GWANGJU INSTITUTE OF SCIENCE AND TECHNOLOGY
Inventor： Hee Chul CHOI , Eun Mok YANG
CPC classification number: B01D71/64 , B01D61/027 , B01D67/0006 , B01D69/08 , C08J3/24 , C08J9/224 , C08J9/28 , B01D2323/30 , C08J2201/0504 , C08J2379/08
Abstract: Embodiments are related to a hollow fiber membrane for organic solvent nanofiltration comprising an intermolecularly cross-linked polymer material represented by Formula 1, comprising a polymer for an intermolecularly cross-linked hollow fiber membrane for organic solvent nanofiltration represented by Formula 1, and the hollow fiber membrane for organic solvent nanofiltration made of the polymers has the effect of having stability and improved permeance for organic solvents.
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公开(公告)号：US20240209400A1
公开(公告)日：2024-06-27
申请号：US18391941
申请日：2023-12-21
Applicant: GWANGJU INSTITUTE OF SCIENCE AND TECHNOLOGY
Inventor： IN CHAN KWON , JAE HYUN CHA
CPC classification number: C12P7/40 , C12N9/0067 , C12N9/0093 , C12Y112/99006 , C12Y117/01
Abstract: In a process for producing formate, a mixed enzyme by mixing hydrogenase (H2ase) with oxygen tolerance and formate dehydrogenase (FDH) with oxygen tolerance is prepared, and the mixed enzyme and a gas including H2, CO2 and NAD+ are mixed such that formate may be produced even in the presence of oxygen, and thereby utilizing hydrogen sources including oxygen, such as coke oven gas.
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公开(公告)号：US12011718B2
公开(公告)日：2024-06-18
申请号：US17162753
申请日：2021-01-29
Inventor： Sung Yang , Ji Chul Hyun , Yu Gyung Jung
IPC: B01L3/00 , G01N15/10 , G01N15/1031 , G01N33/49 , G01N15/01
CPC classification number: B01L3/502761 , G01N15/1023 , G01N15/1031 , G01N33/491 , B01L2200/0652 , B01L2300/0636 , B01L2300/0645 , B01L2300/0819 , G01N2015/016
Abstract: The present invention relates to a blood diagnostic device, which includes one or more blood input parts into which blood is injected, a deterministic lateral displacement separation part which communicates with the blood input part to form a blood flow path along which the blood flows and separates white blood cells from remaining blood components, a first microchannel which communicates with the deterministic lateral displacement separation part so that the white blood cells separated through the deterministic lateral displacement separation part flow therein, one or more second microchannels which communicate with the deterministic lateral displacement separation part so that the remaining blood components separated through the deterministic lateral displacement separation part flow therein, a first discharge part which communicates with the first microchannel so that the white blood cells flowing in the first microchannel are discharged therethrough, and a second discharge part which communicates with the second microchannel.
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公开(公告)号：US20240135498A1
公开(公告)日：2024-04-25
申请号：US18376891
申请日：2023-10-04
Applicant: GWANGJU INSTITUTE OF SCIENCE AND TECHNOLOGY
Inventor： Bochang MOON , Jeongmin GU
CPC classification number: G06T5/50 , G06T5/002 , G06T2207/10024 , G06T2207/20084 , G06T2207/20212
Abstract: The present disclosure relates to an apparatus and method for improving image quality by combining an unbiased image and a biased image using a James-Stein combiner. An apparatus for improving image quality using a James-Stein combiner according to the present disclosure includes an unbiased image buffer configured to output an unbiased image block, a biased image buffer configured to output a biased image block, a sample variance buffer configured to output a sample variance of the unbiased image, an artificial neural network model configured to derive a variance weight per pixel, a variance estimator configured to output a variance estimate of the unbiased image block, and a James-Stein combiner configured to locally combine the biased image block, the unbiased image block, and the variance estimate of the unbiased image block by applying a James-Stein combination equation.
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Patent Agency Ranking
公开(公告)号：US11958571B2
公开(公告)日：2024-04-16
申请号：US17348116
申请日：2021-06-15
Applicant: GWANGJU INSTITUTE OF SCIENCE AND TECHNOLOGY
Inventor： Ki Seon Kim , Myoung Shin Kwak , Pranesh Psthapit , Min Seok Kim
IPC: B63B22/00 , G08C17/02 , H04B17/327 , H04B17/336 , H04L67/12
CPC classification number: B63B22/00 , G08C17/02 , H04B17/327 , H04B17/336 , H04L67/12 , B63B2022/006
Abstract: According to an embodiment, a maritime wireless communication system comprises a communication module installed in the at least one buoy, providing sensing information, identification information, and location information for the at least one buoy and a gateway device installed in each of a fishing vessel terminal device and a managing vessel terminal device, performing communication with the at least one buoy and a land control center via a long range (LoRa)-based communication network to provide various types of fishery information, and setting different communication options for a normal condition and the event condition in performing a communication connection function.
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77.发明授权公开(公告)号：US11947104B2
公开(公告)日：2024-04-02
申请号：US17641770
申请日：2020-09-09
Applicant: KOREA BASIC SCIENCE INSTITUTE , INSTITUTE FOR BASIC SCIENCE , GWANGJU INSTITUTE OF SCIENCE AND TECHNOLOGY
Inventor： I Jong Kim , Ji Yong Bae , Hong Seung Kim , Geon Hee Kim , Ki Soo Chang , Cheonha Jeon , Il Woo Choi , Chang Hee Nam
CPC classification number: G02B26/06 , G02B26/0825 , G02B27/0068
Abstract: A spiral phase plate, according to one embodiment, for generating a Laguerre Gaussian beam by reflecting an incident beam emitted from a light source, may comprise: a first quadrant area in which the step height increase rate per unit angle decreases progressively in one direction from the point with the lowest step height to the point with the highest step height; and a second quadrant area in which the step height increase rate per unit angle increases progressively in the one direction.
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公开(公告)号：US20240070988A1
公开(公告)日：2024-02-29
申请号：US18237459
申请日：2023-08-24
Applicant: GWANGJU INSTITUTE OF SCIENCE AND TECHNOLOGY
Inventor： Yunho CHOI , Kyung-Joong KIM , Ecehan AKAN , Dong Hyeok PARK , Sung Ha LEE , Hyeon-Chang JEON , Isaac HAN
CPC classification number: G06T19/00 , G02B27/0093 , G02B27/017
Abstract: A method for estimating locomotion in virtual reality performed by at least one processor includes measuring a plurality of pressure points according to a user's locomotion using a high-resolution tactile sensor including a plurality of pressure sensors, extracting a plurality of footprint images including the plurality of measured pressure points, clustering the plurality of pressure points into a first set of pressure points corresponding to a left foot and a second set of pressure points corresponding to a right foot, based on the plurality of extracted footprint images, and estimating at least a portion of a locomotion direction and a locomotion speed of the user using a first cluster corresponding to the first set of pressure points and a second cluster corresponding to the second set of pressure points.
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公开(公告)号：US20240049485A1
公开(公告)日：2024-02-08
申请号：US18264418
申请日：2022-02-03
Applicant: GWANGJU INSTITUTE OF SCIENCE AND TECHNOLOGY
Inventor： Kwang Hee LEE , Hong Kyu KANG , So Yeong JEONG
CPC classification number: H10K30/50 , H10K30/30 , H10K85/215
Abstract: The present inventive concept relates to an inverted organic solar cell and a method of manufacturing the same. Specifically, the inverted organic solar cell according to one embodiment of the present inventive concept includes a substrate; a lower electrode disposed on the substrate; an electron transport layer disposed on the lower electrode; a photoactive layer disposed on the electron transport layer and formed by mixing a photoactive material and an inner encapsulation material; a hole transport layer disposed on the photoactive layer; and an upper electrode disposed on the hole transport layer, wherein the inner encapsulation material has a carboxyl group, and at least a part of the inner encapsulation material may be self-assembled on the surface of the electron transport layer.
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公开(公告)号：US20240029222A1
公开(公告)日：2024-01-25
申请号：US18082861
申请日：2022-12-16
Applicant: GWANGJU INSTITUTE OF SCIENCE AND TECHNOLOGY
Inventor： Bochang MOON , Jonghee BACK
CPC classification number: G06T7/0002 , G06T5/20 , G06T2207/20084 , G06T2207/30168
Abstract: The present disclosure provides an apparatus for improving image quality including an image rendering module configured to generate a first data buffer and a second data buffer; an artificial neural network module configured to receive and learn the first data buffer and the second data buffer generated from the image rendering module; and a self-supervised loss calculation module that includes a first self-supervised loss function using pixel values of the first corrected image and the independent and correlated images of the second data buffer and a second self-supervised loss function using pixel values of the second corrected image and the independent and correlated images of the first data buffer, and a method for improving image quality.
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