Patents Assigned to Industry-Academic Cooperation Foundation, Chosun University
  • Patent number: 11877852
    Abstract: An apparatus for classifying stress includes an electrocardiogram (ECG) measurement module configured to measure an ECG signal in a first state, an idle state, and an ECG signal in a second state in which noise, having various magnitudes, is generated, a feature point extraction module configured to extract a feature point of each of the measured ECG signal in the first state and the measured ECG signal in the second state, and a clustering module configured to perform K-means clustering on the ECG signals in the first and second states based on the extracted feature points to classify stress.
    Type: Grant
    Filed: November 16, 2021
    Date of Patent: January 23, 2024
    Assignee: Industry-Academic Cooperation Foundation, Chosun University
    Inventors: Youn Tae Kim, Jae Hyo Jung, Kyeung Ho Kang, Si Ho Shin, Min Gu Kang
  • Patent number: 11848626
    Abstract: A body-attachable triboelectric generating device includes a negatively electrified body including an upper electrified layer and a lower electrified layer adhered to the upper electrified layer; and an electrode layer provided between the upper electrified layer and the lower electrified layer. An engraved pattern, serving as a spacer, is formed on one surface of each of the upper and lower electrified layer in contact with the electrode layer.
    Type: Grant
    Filed: November 23, 2021
    Date of Patent: December 19, 2023
    Assignee: Industry-Academic Cooperation Foundation, Chosun University
    Inventors: Youn Tae Kim, Da Eun Kim, Chang Jun Lee
  • Publication number: 20230309864
    Abstract: Provided is a method of identifying a user by converting an electrocardiogram (ECG) and an electromyogram (EMG) into images, respectively, and inputting each converted image to a multi-stream convolutional neural network (multi-stream CNN). According to an embodiment of the present disclosure, the user identification method using the ECG and the EMG includes acquiring one-dimensional ECG and EMG signals for a user, converting the ECG and EMG signals into two-dimensional images, respectively, and identifying a user by inputting the two-dimensional images to a multi-stream convolutional neural network (multi-stream CNN), respectively.
    Type: Application
    Filed: July 29, 2022
    Publication date: October 5, 2023
    Applicant: Industry-Academic Cooperation Foundation, Chosun University
    Inventors: Sungbum PAN, Gyuho CHOI
  • Publication number: 20230199720
    Abstract: Provided are resource allocation method and apparatus. The resource allocation method according to an embodiment may include allocating power to at least one device; determining a priority of the at least one device; and learning a sum-rate (data rate) according to channel allocation using Q-learning, and allocating a channel to the at least one device based on the learned content.
    Type: Application
    Filed: November 15, 2022
    Publication date: June 22, 2023
    Applicant: Industry-Academic Cooperation Foundation, Chosun University
    Inventors: Wooyeol CHOI, Sifat Rezwan
  • Patent number: 11671239
    Abstract: An encryption method and apparatus based on homomorphic encryption using an odd function property. The encryption method includes generating a ciphertext by encrypting data, and bootstrapping the ciphertext by performing a modular reduction based on an odd function property for a modulus corresponding to the ciphertext.
    Type: Grant
    Filed: March 4, 2021
    Date of Patent: June 6, 2023
    Assignees: SAMSUNG ELECTRONICS CO., LTD., SNU R&DB FOUNDATION, Industry-Academic Cooperation Foundation, Chosun University
    Inventors: Jung-Seon No, Joonwoo Lee, Young-Sik Kim, Youngwoo Lee, Eunsang Lee
  • Publication number: 20230156556
    Abstract: Provided are a method and an apparatus for user association based on fuzzy logic and accelerated reinforcement learning for a dense cloud wireless network. A method for user association based on fuzzy logic and accelerated reinforcement learning in a dense cloud wireless network according to an embodiment of the present disclosure.
    Type: Application
    Filed: November 14, 2022
    Publication date: May 18, 2023
    Applicant: Industry-Academic Cooperation Foundation, Chosun University
    Inventors: Wooyeol CHOI, Rehenumna Tasnim RODOSHI
  • Patent number: 11647468
    Abstract: Provided is a transmission power allocation method based on reinforcement learning with an efficient user clustering method. According to an embodiment of the present disclosure, a transmission power allocation method based on user clustering and reinforcement learning of a base station in a non-orthogonal multiple access (NOMA) system includes a sorting step of sorting channel gains of user equipments located in a coverage of the base station in a size order, a clustering step of allocating the user equipment to each cluster based on the size order, and a power allocation step of allocating power to each user equipment included in the cluster by using a quality function based on a state and an action.
    Type: Grant
    Filed: November 10, 2021
    Date of Patent: May 9, 2023
    Assignee: Industry-Academic Cooperation Foundation, Chosun University
    Inventors: Wooyeol Choi, Sifat Rezwan
  • Publication number: 20230140401
    Abstract: The present disclosure relates to an antifouling coating layer, and in detail, provides a method of manufacturing an antifouling coating layer having excellent antifouling characteristic and durability through quick deposition using iCVD.
    Type: Application
    Filed: October 28, 2022
    Publication date: May 4, 2023
    Applicant: Industry-Academic Cooperation Foundation, Chosun University
    Inventors: Jae Bok KWAK, Chang Hoon KIM, Jeong Heon LEE
  • Patent number: 11637700
    Abstract: A processor-implemented encryption method using homomorphic encryption includes: receiving data; generating a ciphertext by encrypting the received data; determining a coefficient of an approximating polynomial for performing a modular reduction on a modulus corresponding to the ciphertext, based on an error between the approximating polynomial and a modular reduction function; and performing bootstrapping on the ciphertext by performing the modular reduction based on the determined coefficient of the approximating polynomial.
    Type: Grant
    Filed: August 3, 2021
    Date of Patent: April 25, 2023
    Assignees: SAMSUNG ELECTRONICS CO., LTD., SNU R&DB FOUNDATION, Industry Academic Cooperation Foundation Chosun University
    Inventors: Hyungchul Kang, Yongwoo Lee, Young-Sik Kim, Jong-Seon No, Joon-woo Lee
  • Patent number: 11558172
    Abstract: An encryption method and apparatus based on homomorphic encryption using a composition of functions. The encryption method includes generating a ciphertext by encrypting data, and bootstrapping the ciphertext by performing a modular reduction based on a composition of a function for a modulus corresponding to the ciphertext.
    Type: Grant
    Filed: April 21, 2021
    Date of Patent: January 17, 2023
    Assignees: SAMSUNG ELECTRONICS CO., LTD., SNU R&DB FOUNDATION, Industry-Academic Cooperation Foundation Chosun University
    Inventors: Jong Seon No, Yong Woo Lee, Eunsang Lee, Joon Woo Lee, Young Sik Kim
  • Patent number: 11540782
    Abstract: A method for measuring and analyzing blood pressure using PPG includes receiving, by a computer, a PPG signal from a finger of a subject, dividing, by the computer, a normalization pulse wave signal derived from the received PPG signal into one or more predetermined windows, extracting, by the computer, a maximum lower amplitude value from one of the respective divided windows, extracting, by the computer, a target feature pattern from the extracted maximum lower amplitude value, deriving, by the computer, a first target unique vector and a second target unique vector with respect to the target feature pattern, using a linear discriminant analysis (LDA) algorithm to display the first target unique vector and the second target unique vector of the target feature pattern on 2-dimensional (2D) graph, and providing, by the computer, a blood pressure state of the subject, using the 2D graph.
    Type: Grant
    Filed: May 28, 2020
    Date of Patent: January 3, 2023
    Assignee: Industry-Academic Cooperation Foundation, Chosun University
    Inventor: Young Suk Shin
  • Patent number: 11528125
    Abstract: Provided are an electronic device for sorting homomorphic ciphertext by using shell sorting and an operating method thereof to sort ciphertext generated by using homomorphic encryption according to a size of an original number corresponding thereto.
    Type: Grant
    Filed: May 13, 2021
    Date of Patent: December 13, 2022
    Assignees: Seoul National University R&DB Foundation, Industry-Academic Cooperation Foundation, Chosun University
    Inventors: Jong Seon No, Young Sik Kim, Joon Woo Lee
  • Patent number: 11517144
    Abstract: The present disclosure relates to an expandable cover unit including a main body, a manipulation member installed on the main body to be rotatable or moveable upward or downward, an expanding portion installed on the main body at a position adjacent to the manipulation member and provided with at least one wing member installed on the main body to be slidable in a direction away from the manipulation member such that an end portion of the wing member protrudes outward from the main body, and a wing driving unit configured to operate the wing member to move the wing member according to the manipulation member rotated or moved upward or downward by a manipulation of a user.
    Type: Grant
    Filed: February 24, 2020
    Date of Patent: December 6, 2022
    Assignee: Industry-Academic Cooperation Foundation, Chosun University
    Inventors: Chang Lae Kim, Myeong Hwan Choi, Seung Ju Seo, Chang Nyung Han
  • Patent number: 11464398
    Abstract: A capsule-type endoscope including a battery, a camera configured to capture internal organ images, a light source configured to irradiate light to capture the internal organ images, and a light source driving power line supplying power, stored in the battery, to the light source. The light source driving power line is a loop antenna coil for reception of a control signal from an external coupled loop antenna coil for transmission.
    Type: Grant
    Filed: December 28, 2020
    Date of Patent: October 11, 2022
    Assignee: Industry-Academic Cooperation Foundation, Chosun University
    Inventors: Youn Tae Kim, Si Ho Shin, Jae Hyo Jung
  • Patent number: 11452758
    Abstract: A novel antimicrobial peptide derived from LL37 peptide has not only an excellent antimicrobial activity for Gram-positive bacteria, Gram-negative bacteria, and antibiotic tolerant bacteria but also low cytotoxicity for cells derived from mouse or human. It can be advantageously used as an effective component of antimicrobial antibiotics, cosmetic composition, food additive, animal feed additive, biopesticides, and quasi-drug.
    Type: Grant
    Filed: March 7, 2019
    Date of Patent: September 27, 2022
    Assignee: INDUSTRY-ACADEMIC COOPERATION FOUNDATION, CHOSUN UNIVERSITY
    Inventors: Yoonkyung Park, Eunji Park
  • Patent number: 11436308
    Abstract: Provided is an electromyogram (EMG) signal-based user authentication apparatus and method. The apparatus includes an EMG signal receiver configured to receive an EMG signal measured using an EMG sensor, a pre-processor configured to remove a partial signal from the received EMG signal according to a preset frequency band, and a controller configured to authenticate a user by comparing a pre-stored EMG signal with the EMG signal in which the partial signal has been removed.
    Type: Grant
    Filed: May 8, 2020
    Date of Patent: September 6, 2022
    Assignee: Industry-Academic Cooperation Foundation, Chosun University
    Inventors: Youn Tae Kim, Jae Hyo Jung, Si Ho Shin, Min Gu Kang
  • Publication number: 20220271922
    Abstract: A processor-implemented method with homomorphic encryption includes: receiving a first ciphertext corresponding to a first modulus; generating a second ciphertext corresponding to a second modulus by performing modulus raising on the first ciphertext; and performing bootstrapping by encoding the second ciphertext using a commutative property and an associative property of operations included in a rotation operation.
    Type: Application
    Filed: November 2, 2021
    Publication date: August 25, 2022
    Applicants: Samsung Electronics Co., Ltd., Seoul National University R&DB Foundation, Industry Academic Cooperation Foundation, Chosun University
    Inventors: Jong-Seon NO, Yongwoo LEE, Young-Sik KIM
  • Publication number: 20220235399
    Abstract: A novel use of P44 as a marker for predicting or diagnosing anaplasmosis including a diagnostic composition and a diagnostic kit is disclosed. A diagnostic composition for anaplasmosis containing a P44 gene, a primer set or probe for detecting Anaplasma phagocytophilum, a kit for diagnosing anaplasmosis, and a method for providing information to diagnose infection with Anaplasma phagocytophilum are also disclosed. P44, which is a novel biomarker for diagnosing anaplasmosis, is a multi-copy gene and exists in a large number of copies in the Anaplasma phagocytophilum genome, thus having the effect of detecting Anaplasma phagocytophilum infection at high sensitivity using only a small amount of DNA compared to conventional diagnostic marker genes. In addition, the primer set or probe for detecting and amplifying P44 is capable of providing rapid and easy detection of anaplasmosis with high specificity and sensitivity, making it appropriate for early detection of anaplasmosis.
    Type: Application
    Filed: April 21, 2020
    Publication date: July 28, 2022
    Applicant: Industry-Academic Cooperation Foundation, Chosun University
    Inventor: Dong Min KIM
  • Publication number: 20220159586
    Abstract: Provided is a transmission power allocation method based on reinforcement learning with an efficient user clustering method. According to an embodiment of the present disclosure, a transmission power allocation method based on user clustering and reinforcement learning of a base station in a non-orthogonal multiple access (NOMA) system includes a sorting step of sorting channel gains of user equipments located in a coverage of the base station in a size order, a clustering step of allocating the user equipment to each cluster based on the size order, and a power allocation step of allocating power to each user equipment included in the cluster by using a quality function based on a state and an action.
    Type: Application
    Filed: November 10, 2021
    Publication date: May 19, 2022
    Applicant: Industry-Academic Cooperation Foundation, Chosun University
    Inventors: Wooyeol CHOI, Sifat REZWAN
  • Patent number: 11304984
    Abstract: A pharmaceutical composition includes a hot-water extract of Codium fragile as an effective ingredient for treating or preventing arthritis, which is a highly effective natural product-derived composition available for cosmetics, beverages, functional foods, etc. which are expected for the alleviation of arthritis.
    Type: Grant
    Filed: February 7, 2018
    Date of Patent: April 19, 2022
    Assignee: INDUSTRY ACADEMIC COOPERATION FOUNDATION CHOSUN UNIVERSITY
    Inventor: Chun Sung Kim