Patents Assigned to GIST(Gwangju Institute of Science and Technology)
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Patent number: 12380586Abstract: Provided are a method and electronic device for identifying a size of a measurement target object. The method includes imaging a reference object, which is a reference for identifying the size of the measurement target object, to acquire a reference object image, imaging the measurement target object to acquire a target object image, fusing the acquired reference object image and the acquired target object image, and inputting the fused reference object image and target object image to a first neural network model to acquire size information of the measurement target object from the first neural network model.Type: GrantFiled: September 2, 2021Date of Patent: August 5, 2025Assignee: GIST(Gwangju Institute of Science and Technology)Inventors: Kyoobin Lee, Seunghyeok Back, Sungho Shin, Raeyoung Kang, Sangjun Noh
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Publication number: 20250214229Abstract: The present disclosure relates to a snake arm robot, which includes: a base disk; a rotary unit rotatably connected to the base disk and having multiple sub-disks sequentially arranged in a predetermined arrangement direction and rotatably connected to each other; a wire connector having multiple wires connected to the base disk or a plurality of disks selected from the sub-disks and sequentially disposed in the arrangement direction or disposed to partially face each other in a circumferential direction of the sub-disks; and a wire operator operating the wires to rotate the sub-disks by a predetermined angle. According to the snake arm robot of the present disclosure, since wires connected to disks to rotate the disks are arranged in a similar type to the muscle structure of a nematode, there is the advantage that rigidity and payload are increased.Type: ApplicationFiled: January 3, 2025Publication date: July 3, 2025Applicant: GIST(Gwangju Institute of Science and Technology)Inventors: Jung Won YOON, Ho Young KIM
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Patent number: 12321078Abstract: Disclosed is an array antenna which is capable of shifting a phase of light. According to one aspect of the present exemplary embodiment, an optical phase shifting array antenna includes: a receiving unit configured to distribute input light to a plurality of antenna element waveguides; a phase shifting unit configured to shift a phase of light propagated to each antenna element waveguide by applying heat to each antenna element waveguide; an output unit including a plurality of antenna elements, and configured to output the light, which is propagated to each antenna element waveguide after a phase is varied in the phase shifting unit, to each antenna element; and a base part configured to seat the receiving unit, the phase shifting unit, and the output unit.Type: GrantFiled: March 23, 2022Date of Patent: June 3, 2025Assignee: GIST(Gwangju Institute of Science and Technology)Inventor: Nan Ei Yu
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Publication number: 20250172483Abstract: The present disclosure relates to a device that can image magnetic particles through a Field Free Line (FFL) formed in a single direction. The single side magnetic particle imaging device according to an embodiment of the present disclosure includes: a pair of selection coils arranged in parallel in an x-axial direction and configured to create a y-axial Field Free Line (FFL) in a Field of View (FOV); a driver coil disposed under the pair of selection coils and configured to move the FFL in a z-axial direction by generating a magnetic field; An excitation coil disposed over the pair of selection coils and configured to excite magnetic fields in the FOV by generating a magnetic field in the FOV; and a pair of receiver coils arranged in parallel in a y-axial direction over the excitation coil and configured to receive signals generated by the magnetic particles, respectively.Type: ApplicationFiled: October 8, 2024Publication date: May 29, 2025Applicant: GIST(Gwangju Institute of Science and Technology)Inventors: Jung Won YOON, Luu Thanh CAO, Seung Jun OH
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Publication number: 20250145516Abstract: The present invention relates to an oxide glass composition having a low dielectric constant and dielectric dissipation factor. The oxide glass composition according to the present invention can provide a glass material for PCBs, glass fibers and glass substrates having a low dielectric constant and dielectric dissipation factor properties. The oxide glass composition according to the present invention has a low softening temperature and excellent clarification characteristics, and thus can solve various problems of existing technologies.Type: ApplicationFiled: January 9, 2025Publication date: May 8, 2025Applicant: GIST(Gwangju Institute of Science and Technology)Inventors: Bok Hyeon KIM, Yeong Wook PARK, Won Tack HAN
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Publication number: 20250053711Abstract: The present disclosure relates to a method for determining battery design parameters that satisfy all of current rate (C-rate)-specific target capacities using a neural network model. A method for determining battery design parameters according to an embodiment of the present disclosure includes: training a neural network model with correlations between design parameters of a battery and current rate-specific capacities; creating profiles of current rate-specific capacities corresponding to design parameters, respectively, by inputting design parameters sampled within preset ranges into the neural network model; and determining at least one group of design parameters satisfying all of current rate-specific target capacity conditions on the basis of the profiles.Type: ApplicationFiled: April 16, 2024Publication date: February 13, 2025Applicant: GIST(Gwangju Institute of Science and Technology)Inventors: Heyong Jin KIM, Kyoo Bin LEE, Hyeong Hun PARK, Joo Soon LEE
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Publication number: 20250035751Abstract: Disclosed is an optical phased array antenna for a lidar that outputs output light provided from a light source to a measurement object and that receives reflective light reflecting from the measurement object, the optical phased array antenna including: a combiner configured to receive output light output from the light source or to output the reflective light; a phase modulation module configured to modulate a phase of the output light input from the combiner or the reflective light that is transmitted to the combiner; and an optical input/output unit configured to output the output light modulated by the phase modulation module or receive the reflective light reflecting from the measurement object and configured to have an antenna element waveguide to which the output light or the reflective light propagates and that extends a predetermined length.Type: ApplicationFiled: May 29, 2024Publication date: January 30, 2025Applicant: GIST(Gwangju Institute of Science and Technology)Inventors: Nan Ei YU, Byeong Chan PARK
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Patent number: 12198198Abstract: The present disclosure relates to a method and apparatus for split liability assessment of a car accident video using deep learning. The method for split liability assessment of a car accident video using deep learning according to an embodiment of the present disclosure may include: (a) obtaining car accident video data; and (b) outputting accidental split liability information by applying the obtained car accident video data to an accidental split liability determination model.Type: GrantFiled: June 13, 2022Date of Patent: January 14, 2025Assignee: GIST(Gwangju Institute of Science and Technology)Inventors: Yong-Gu Lee, Sungjae Lee, Hojeong Shin, Jinsu Kim
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Patent number: 12196747Abstract: The present invention relates to a multi-microorganism detection system, and more particularly, to a multi-microorganism detection system using a dielectrophoresis force. Provided is a rapid and accurate multi-microorganism detection system. Microorganisms are concentrated at a high throughput using DEP after synthesizing the microorganisms and fluorescent magnetic particles, and when a complex in which the fluorescent magnetic particles are bound to the microorganisms passes through a detection unit by moving only the microorganisms to the detection unit after separating the magnetic particles from the complex (i.e., the microorganisms to which the magnetic particles are bound) using a DEP force, a fluorescence signal of a specific wavelength band is generated according to the type of the fluorescent magnetic particle and the concentration of the microorganisms according to the type of microorganism is measured by measuring and analyzing the fluorescence signal.Type: GrantFiled: August 16, 2021Date of Patent: January 14, 2025Assignee: GIST(Gwangju Institute of Science and Technology)Inventors: Sung Yang, Young Ran Yun, Taek Eon Jeong
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Publication number: 20240377356Abstract: The present disclosure relates to a microbial concentration detection element in an unknown solution. In more detail, the microbial concentration detection element includes: a preprocessing unit configured to produce a microbe substitution solution by transferring microbes in an unknown solution containing detection target microbes into a reference solution through acoustophoresis, and to calculate electrical property information of the microbe substitution solution; and a microbe concentration measurement unit configured to separate the microbe substitution solution into a microbe concentration solution and a filtered solution through dielectrophoresis on the basis of the electrical property information measured by the preprocessing unit, and then measure a microbial concentration of the microbe concentration solution.Type: ApplicationFiled: July 23, 2024Publication date: November 14, 2024Applicant: GIST(Gwangju Institute of Science and Technology)Inventors: Sung YANG, Ye Sung LEE, Soo Sung KIM
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Patent number: 12140562Abstract: The present disclosure relates to a microorganism detection apparatus using a dielectrophoresis (DEP) force. A microorganism detection apparatus according to one embodiment of the present disclosure may include a detection unit that detects microbial particles using a DEP force corresponding to latex particles combined with the microbial particles.Type: GrantFiled: July 20, 2021Date of Patent: November 12, 2024Assignee: GIST(Gwangju Institute of Science and Technology)Inventors: Sung Yang, Taek Eon Jeong, Jae Hyeon Ahn, Yu Gyung Jung
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Publication number: 20240354565Abstract: The present disclosure relates to a method for generating a personalized HRTF using a neural network model having a one-to-many structure. A method for generating a personalized HRTF according to an embodiment of the present disclosure includes: training a neural network model using multi-angle Head-Related Transfer Functions (HRTF) labeled to body information of a learning object; and obtaining multi-angle HRTFs at a time by inputting body information of a target user into the trained neural network model.Type: ApplicationFiled: February 6, 2024Publication date: October 24, 2024Applicant: GIST(Gwangju Institute of Science and Technology)Inventors: Hong Kook KIM, Geon Woo LEE
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Publication number: 20240303790Abstract: The present invention relates to a method for creating a neural network model which can imitate retouching styles of a plurality of experts, and creating a black-and-white photo which gives aesthetics by inputting a color photo into the neural network model.Type: ApplicationFiled: November 14, 2023Publication date: September 12, 2024Applicants: GIST(Gwangju Institute of Science and Technology), Inha University Research and Business FoundationInventors: Hae Gon JEON, Seung Hyun SHIN, Ji Su SHIN, Ji Hwan BAE, Inwook SHIM
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Publication number: 20240280412Abstract: The present disclosure relates to an optical wavelength measuring device using an absorption-type optical fiber-based multiple optical fiber filter modules, an optical sensor system having the same, and an optical measurement method. The An optical wavelength measuring device includes a first optical splitter splitting the signal light provided from the optical fiber sensor into first and second split lights, a first optical detection unit detecting the first split light output from the first optical splitter, a polarization controller installed on an optical path of the second split light output from the first optical splitter, and controlling a polarization state of the second split light, a second optical detection unit detecting the second split light which is polarization-controlled by the polarization controller, and a calculation module calculating an optical wavelength of the signal light according to a physical quantity applied to the optical fiber sensor.Type: ApplicationFiled: March 25, 2024Publication date: August 22, 2024Applicant: GIST (Gwangju Institue of Science and Technology)Inventors: Bok Hyeon KIM, Chang Won LEE
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Publication number: 20240249394Abstract: The present invention which is a method for generating a scene structure using a neural network model applied to a baseline network performing an image processing task by a plug-and-play scheme by using the scene structure includes: generating a plurality of eigenvectors for an image according to an affinity matrix of the image; and generating the scene structure by convolutioning the plurality of eigenvectors, and outputting the scene structure to the baseline network.Type: ApplicationFiled: January 11, 2024Publication date: July 25, 2024Applicant: GIST(Gwangju Institute of Science and Technology)Inventors: Hae Gon JEON, Seung Hyun SHIN, Ji Su SHIN
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Publication number: 20240237970Abstract: The present disclosure relates to an apparatus and method for measuring the velocity of a surface wave using a laser ultrasound imaging technique. A method of measuring the velocity of a surface wave according to an embodiment of the present disclosure includes: emitting a laser pulse to a target material; obtaining wavefront image of a surface wave, which propagates on a surface of the target material due to the laser pulse, by emitting a probe beam to the target material; and determining a velocity of the surface wave based on variation of the wavefront image according to a time delay between the laser pulse and the probe beam.Type: ApplicationFiled: June 20, 2023Publication date: July 18, 2024Applicant: GIST(Gwangju Institute of Science and Technology)Inventors: Tae Il YOON, Byeong Ha LEE, Young Gue KIM
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Publication number: 20240215847Abstract: The present disclosure relates to a magnetic particle imaging device having a field of view (FOV) wide enough to be applicable to the human body. A magnetic particle imaging device according to some embodiments includes at least: an FFP generation unit generating a field free point (FFP) in a FOV; first to third operation coil units moving the FFP in first to third directions which are vertical to each other, respectively; an excitation coil unit generating a magnetic field in the FOV, and exciting a magnetic particle in the FOV; a reception coil unit receiving a magnetic signal generated from the magnetic particle; and a processor dividing the FOV into a plurality of partial FOVs, controlling the first to third operation coil units so that the FFP moves in each partial FOV, and generating an image for the FOV based on the magnetic signal for each partial FOV.Type: ApplicationFiled: August 8, 2023Publication date: July 4, 2024Applicant: GIST(Gwangju Institute of Science and Technology)Inventors: Jung Won YOON, Tuan Anh LE, Minh Phu BUI
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Patent number: 12011718Abstract: 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 theType: GrantFiled: January 29, 2021Date of Patent: June 18, 2024Assignee: GIST(Gwangju Institute of Science and Technology)Inventors: Sung Yang, Ji Chul Hyun, Yu Gyung Jung
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Publication number: 20240183721Abstract: The present invention relates to a resistance-based on-chip temperature sensor which may autonomously operate in a chip. A resistance-based on-chip temperature sensor according to an exemplary embodiment of the present invention includes: a first RC oscillator having an in-chip first resistor as a component; a second RC oscillator having an in-chip second resistor as the component; and a control unit determining the temperature of the chip according to what difference between the numbers of clocks output from the first and second RC oscillators, respectively is for the same time.Type: ApplicationFiled: September 15, 2023Publication date: June 6, 2024Applicant: GIST(Gwangju Institute of Science and Technology)Inventors: Min Jae LEE, Jun Ho KIM, Sin Ho LEE
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Publication number: 20240179144Abstract: The present disclosure relates to a secure transmitting and receiving method that crates a dynamic key on the basis of the features of real-time data, thereby performing authentication operation. A secure transmitting method for real time data according to an embodiment of the present disclosure includes: collecting an n-th datum; compressing the n-th datum; creating and storing an n-th dynamic key in a memory on the basis of a feature extracted in the compressing; creating an n-th security key using an n-m-th dynamic key stored in the memory and transmitting the n-th security key to a server; and transmitting the compressed n-th datum to the server when receiving an authentication success signal from the server.Type: ApplicationFiled: June 27, 2023Publication date: May 30, 2024Applicant: GIST(Gwangju Institute of Science and Technology)Inventors: Euiseok HWANG, Seungwook YOON