Abstract: An encryption method, includes performing, by an encryption system, bit reversal permutation of pixel data of a 2D image, arranging the pixel data as first-pixel data, and applying the 2D image to a butterfly algorithm of fast Fourier transform; determining, by the encryption system, a plurality of data paths based on the first-pixel data; and performing, by the encryption system, a first encryption of the first-pixel data into second-pixel data on a specific data path based on a number of the specific data path among the plurality of data paths.
Type:
Grant
Filed:
March 15, 2022
Date of Patent:
May 7, 2024
Assignee:
Research & Business Foundation Sungkyunkwan University
Abstract: A substrate treating apparatus and a substrate treating method are provided. The substrate treating apparatus includes a first process chamber to apply an organic solvent to a substrate applied with a developer and introduced, and a second process chamber to treat the substrate applied with the organic solvent and introduced, through a supercritical fluid.
Type:
Grant
Filed:
September 11, 2020
Date of Patent:
May 7, 2024
Assignees:
SEMES CO., LTD., Research & Business Foundation SUNGKYUNKWAN UNIVERSITY
Inventors:
Hae-Won Choi, Yerim Yeon, Anton Koriakin, Kihoon Choi, Youngran Ko, Jeong Ho Cho, Hyungseok Kang, Hong Gi Min
Abstract: There is provided a method for an I/O (input/output) scheduling method, the method comprises: assigning a system call identifier to each of a plurality of I/O requests derived from at least one system call requested by at least one application; sorting the plurality of I/O requests in order of the system call identifier; and transferring the sorted plurality of I/O requests to a computer-readable storage medium. Accordingly, in a mobile or desktop environment in which an application that frequently interacts with the user is executed, it is possible to minimize the read delay time increased due to file fragmentation, and moreover, it is possible to improve the user experience (UX).
Type:
Grant
Filed:
May 11, 2022
Date of Patent:
May 7, 2024
Assignee:
Research & Business Foundation Sungkyunkwan University
Abstract: Provided is random access method, performed by terminal for uplink data transmission during random access process between cellular based machine communication terminal and base station. The method includes performing random access process between cellular based machine communication terminal and base station, and the random access process includes selecting random access resource by considering coverage level and whether to support multi-tone transmission or not.
Type:
Application
Filed:
January 5, 2024
Publication date:
May 2, 2024
Applicant:
RESEARCH & BUSINESS FOUNDATION SUNGKYUNKWAN UNIVERSITY
Abstract: A scan flip-flop configured to generate physically unclonable function (PUF) data according to the present disclosure includes a multiplexer configured to provide an internal signal through an input switch, a first latch circuit configured to latch the internal signal, wherein the first latch circuit comprises a first inverter, a second inverter, a first switch connected in parallel with the first inverter, and a second switch connected in series with the second inverter. Additionally, a second latch circuit configured to latch an output of the first latch circuit and output a latched value, wherein the second latch circuit comprises a third inverter, a fourth inverter, an output inverter connected in series with the third inverter, and a fourth switch connected in series with the fourth inverter. A third switch is configured to switch between the first latch circuit and the second latch circuit.
Type:
Application
Filed:
November 1, 2023
Publication date:
May 2, 2024
Applicant:
Research & Business Foundation Sungkyunkwan University
Abstract: Provided are an artificial intelligence ultrasound-medical-diagnosis apparatus and a remote medical-diagnosis method using the same. The apparatus can automatically diagnose diseases based on ultrasound medical examinations and ultrasound image processing. The ultrasound-medical-diagnosis apparatus includes a semantic segmentation artificial intelligence network configured to perform labeling on visualized organs of a patient using mutually different colors to detect a position of an organ of interest displayed on the ultrasound image.
Type:
Grant
Filed:
July 13, 2020
Date of Patent:
April 30, 2024
Assignee:
Research & Business Foundation Sungkyunkwan University
Abstract: A driving belt inspection device and method for a wafer transfer module is disclosed. The driving belt inspection device for a wafer transfer module includes: a data receiving unit for receiving current data of a motor connected to a driving belt; a calculation unit for calculating the rate of change of instantaneous current of the motor according to the received current data and acquiring a calculated value for inspection according to the calculated rate of change of instantaneous current of the motor; and a result determination unit for determining, if the calculated value is lower than a first reference value, that the driving belt is in a normal operation state, and determining, if the calculated value is higher than a second reference value, that the driving belt is in an abnormal operation state.
Type:
Application
Filed:
October 6, 2023
Publication date:
April 25, 2024
Applicant:
RESEARCH & BUSINESS FOUNDATION SUNGKYUNKWAN UNIVERSITY
Abstract: Disclosed are a tandem catalyst for synthesizing methyl acetate from carbon dioxide, a method for preparing the same, and a method for preparing methyl acetate using the same. The tandem catalyst of the present invention includes a first catalyst having a core-shell structure including a composite metal oxide core and a silica shell surrounding a surface of the composite metal oxide core, and a second catalyst including nano-ferrierite (N-FER) zeolite.
Type:
Application
Filed:
October 23, 2023
Publication date:
April 25, 2024
Applicant:
RESEARCH & BUSINESS FOUNDATION SUNGKYUNKWAN UNIVERSITY
Inventors:
Jong Wook BAE, Xu WANG, So Yun JEONG, Eun Jeong KIM, Zafar FAISAL, Ali MANSOOR
Abstract: One embodiment of the present invention provides a method of manufacturing an electronic device using a cyclic doping process including i) an operation of forming a unit transfer thin film including a two-dimensional material on a transfer substrate, ii) an operation of doping the unit transfer thin film in a low-damage doping process, iii) an operation of transferring the unit transfer thin film doped according to the operation ii) on a transfer target substrate, and iv) an operation of repeatedly performing the operations i) to iii) several times to reach a target thickness.
Type:
Application
Filed:
October 19, 2023
Publication date:
April 25, 2024
Applicant:
Research & Business Foundation SUNGKYUNKWAN UNIVERSITY
Inventors:
Geun Young YEOM, Ki Hyun KIM, Ji Eun KANG, Seong Jae YU, You Jin JI, Doo San KIM, Hyun Woo TAK, Yun Jong JANG, Hee Ju KIM, Ki Seok KIM
Abstract: A method of learning a neural network-based image compression model according to the disclosed embodiment, may include receiving a learning target image as an input; encoding the input image through the neural network-based image compression model configured to include a weight parameter, and decoding the encoded image through the neural network-based image compression model; calculating an entropy estimation value for a network model weight of the neural network-based image compression model; calculating a reconstruction performance value by comparing qualities of the learning target image and the decoded image; and learning the neural network-based image compression model by updating the weight parameter of the neural network-based image compression model based on the entropy estimation value for the network model weight and the reconstruction performance value. Accordingly, it is possible to minimize the size of the weight of the neural network-based image compression model.
Type:
Application
Filed:
June 21, 2023
Publication date:
April 25, 2024
Applicant:
Research & Business Foundation SUNGKYUNKWAN UNIVERSITY
Abstract: One embodiment of the present invention provides a flame doping method. Specifically, the present invention provides a flame doping method, which does not significantly change crystallinity, does not damage a substrate even while applying a high temperature, is usable as a doping method suitable for mass production, is advantageous in a process difficulty and a cost compared to other doping processes (thermal diffusion and ion implantation), and has high process stability.
Type:
Application
Filed:
October 1, 2023
Publication date:
April 25, 2024
Applicant:
Research & Business Foundation SUNGKYUNKWAN UNIVERSITY
Inventors:
Jung Kyu KIM, Won SO, Jae Kyum KIM, Eu Jin KWAK
Abstract: A device includes a storage device to receive a first power and transfer data, a computing device to receive a second power and perform computations on the data; a storage power manager to generate a storage power demand value from previous operation of the storage device; a computing power manager to generate a computing power demand value from previous operation of the computing device; and a global power manager to generate a storage target power value indicating a next power limit for the storage device and a computing target power value indicating a next power limit for the computing device, from both of the storage and computing power demand values, wherein the storage power manager provides the first power to the storage device based on the storage target power value, and the computing power manager provides the second power to the computing device based on the computing target power value.
Type:
Application
Filed:
June 5, 2023
Publication date:
April 25, 2024
Applicant:
RESEARCH & BUSINESS FOUNDATION SUNGKYUNKWAN UNIVERSITY
Inventors:
Myungjune Jung, Euiseong Seo, Hwaseok Oh, Jooyoung Hwang
Abstract: A method for measuring blood sugar that is performed by an apparatus for measuring blood is provided. The method includes calculating color data from multiple skin regions of interest in a skin image, classifying a user's meal state into a pre-meal state or a post-meal state through analysis of acquired user information, estimating blood sugar by applying the calculated color data to a blood sugar regression linear equation corresponding to the classified user's meal state, and measuring robust blood sugar by weighted averaging the estimated blood sugar.
Type:
Grant
Filed:
September 2, 2021
Date of Patent:
April 23, 2024
Assignee:
Research & Business Foundation Sungkyunkwan University
Abstract: There are provided a nitride-based MXene light-emitting quantum dot and a method of manufacturing the same. The nitride-based MXene light-emitting quantum dot includes a nitride-based MXene quantum dot having a diameter of 10 nm or less and absorbs ultraviolet light to emit light, and the nitride-based MXene light-emitting quantum dot has an effect of efficiently generating light emission by increasing bandgap energy of MXene by inducing a quantum confinement effect by reducing the size of the quantum dot.
Type:
Application
Filed:
April 21, 2023
Publication date:
April 18, 2024
Applicant:
RESEARCH & BUSINESS FOUNDATION SUNGKYUNKWAN UNIVERSITY
Abstract: An indoor wireless positioning method according to one embodiment of the present invention includes receiving initial received signal strength indicator (RSSI) information from a reception unit; searching for a fingerprint matching measured initial RSSI information in a fingerprint database; determining a first location corresponding to the retrieved fingerprint to be an initial location of the reception unit; receiving additional RSSI information from the reception unit; extracting features of variability between the additional RSSI information and the initial RSSI information; searching for variability fingerprints matching the initial location and extracted RSSI variability features in a variability fingerprint database; and updating a second location to a current location of the reception unit when the second location corresponding to the retrieved variability fingerprint is different from the initial location, wherein the second location is a location in a candidate area within a preset distance range ce
Type:
Application
Filed:
July 19, 2023
Publication date:
April 18, 2024
Applicants:
SKAIChips Co., Ltd., Research & Business Foundation SUNGKYUNKWAN UNIVERSITY
Inventors:
Kang Yoon LEE, Dong Gyun KIM, Ju Won OH, Jong Wan JO
Abstract: There are provided a metal carbide catalyst complex for a bifunctional zinc-air battery, containing vanadium metal and a different transition metal, and a zinc-air battery system including the same. Because a catalytic reaction region may be increased by a substituted iron ion and a substituted vanadium ion in a metal carbide catalyst complex for a zinc-air battery, high activity for oxygen evolution reaction (OER) performance and high activity for oxygen reduction reaction (ORR) performance may be exhibited.
Type:
Application
Filed:
October 13, 2023
Publication date:
April 18, 2024
Applicant:
Research & Business Foundation SUNGKYUNKWAN UNIVERSITY
Abstract: In accordance with an aspect of the present disclosure, there is provided an apparatus for determining a number of layers may comprise a data manager configured to obtain a graph structure including information between nodes; a first controller configured to control a reinforcement learning model designed to set the graph structure as an environment of reinforcement learning, set any one of nodes included in the graph structure as a state of reinforcement learning, and set a number of branches causing a highest expected value for a reward of reinforcement learning from any node as an action of reinforcement learning; a storage configured to store the number of branches determined by the reinforcement learning model as an action for a predetermined node input to the reinforcement learning model; and a second controller configured to apply the same number of layers for extracting an embedding of the predetermined node as the stored number of branches in a graph neural network designed based on the graph structu
Type:
Application
Filed:
December 29, 2022
Publication date:
April 11, 2024
Applicant:
Research & Business Foundation SUNGKYUNKWAN UNIVERSITY
Abstract: A semiconductor design optimization system that includes: a data base configured to store design data, a training data preprocessing unit configured to preprocess the design data and generate training data, a data learning unit configured to generate a physical property prediction model by training using the training data, a physical property prediction unit configured to generate predicted physical property data including information associated with predicted physical property values for each region of a semiconductor device to be fabricated, wherein the physical property prediction unit is configured to input, into the physical property prediction model, input data including information associated with design drawings of the semiconductor device to be fabricated, and a layout generator configured generate a design layout optimized to distribute the predicted physical property values for each region of the semiconductor device to be fabricated by modifying the design drawings based on the predicted physical
Type:
Application
Filed:
June 6, 2023
Publication date:
April 11, 2024
Applicants:
Samsung Electronics Co., Ltd., Research & Business Foundation SUNGKYUNKWAN UNIVERSITY
Inventors:
Eun-Ho Lee, Jae Choon Kim, Tae-Hyun Kim, Jeong-Hyeon Park, Hwanjoo Park, Sunggu Kang, Sung-Ho Mun
Abstract: Disclosed is an antibody for cancer treatment conjugated with a tumor environment-sensitive cleavable polyethylene glycol, wherein the use of the antibody for cancer treatment can suppress side effects of the antibody while maintaining therapeutic effects thereof.
Type:
Application
Filed:
October 5, 2023
Publication date:
April 11, 2024
Applicant:
RESEARCH & BUSINESS FOUNDATION SUNGKYUNKWAN UNIVERSITY
Inventors:
Jae Hyung PARK, Seok Ho SONG, Torsha GHOSH
Abstract: A display apparatus includes display panel including a pixel array in which pixels, each of which including a plurality of inorganic light emitting elements, are disposed in a plurality of row lines, and sub pixel circuits corresponding to inorganic light emitting elements of the pixel array, a driving unit configured to set an image data voltage sequentially to the sub pixel circuits based on a first driving voltage, and drive the sub pixel circuits so that a driving current corresponding to the set image data voltage is provided sequentially to the inorganic light emitting elements of the pixel array based on a second driving voltage; a sensing unit configured to sense a current flowing through a driving transistor included in each of the sub pixel circuits based on a specific voltage which is applied to the sub pixel circuits, and output sensing data corresponding to the sensed current; and a correction unit configured to correct an image data voltage to be applied to each of the sub pixel circuits based o
Type:
Grant
Filed:
December 15, 2021
Date of Patent:
April 9, 2024
Assignees:
SAMSUNG ELECTRONICS CO., LTD., RESEARCH & BUSINESS FOUNDATION SUNGKYUNKWAN UNIVERSITY
Inventors:
Jinho Kim, Yong-Sang Kim, Donggun Oh, Eun Kyo Jung, Jungwoo Lee