Patents Assigned to Soongsil University
  • Publication number: 20240079027
    Abstract: Provided is a method for detecting a synthetic voice based on a biological sound, the method comprises receiving an audio stream; extracting a biological feature vector corresponding to a meaningless voice from the audio stream; extracting a synthetic voice feature vector from the audio stream; combining the biological feature vector and the synthetic voice feature vector to generate a combined feature vector; and determining whether the audio stream is a synthetic voice based on the combined feature vector. Accordingly, it is possible to detect a synthetic voice at a lower computational cost than a conventional neural network that detects a synthetic voice by learning the correlation between frames.
    Type: Application
    Filed: December 2, 2022
    Publication date: March 7, 2024
    Applicant: Foundation of Soongsil University-lndustry Cooperation
    Inventors: Soohwan JUNG, Kihun HONG, Thien-Phuc DOAN
  • Publication number: 20240079597
    Abstract: Proposed is an all-solid-state battery including a self-standing sheet layer positioned on a negative electrode current collector. The all-solid-state battery may include the negative electrode current collector, the self-standing sheet layer positioned on the negative electrode current collector, a solid electrolyte layer positioned on the sheet layer, a positive electrode active material layer positioned on the solid electrolyte layer, and a positive electrode current collector positioned on the positive electrode active material layer. The sheet layer contains carbon nanotubes.
    Type: Application
    Filed: May 4, 2023
    Publication date: March 7, 2024
    Applicants: Hyundai Motor Company, Kia Corporation, Foundation of Soongsil University-Industry Cooperation
    Inventors: Jae Min Lim, Hee Soo Kang, Young Jin Nam, Soon Chul Byun, Young Jin Jeong, Gyo Sik Kim, Hae Joo Kim, Jeong Yun Lee
  • Publication number: 20240078319
    Abstract: Provided is an eBPF-based hot patch engine device for protecting kernel vulnerabilities. The eBPF-based hot patch engine device comprises a container-aware code generating unit for generating a container-aware code for identifying a target container, to which a hot patch is attached; and a hot patch configuring unit for configuring an eBPF-based hot patch code for attaching a hot patch to the target container based on the container-aware code. Accordingly, it is possible to prevent attacks based on CVEs, which are known vulnerabilities for container systems, by hot patching kernel-related CVEs at runtime without rebooting and freezing.
    Type: Application
    Filed: June 15, 2023
    Publication date: March 7, 2024
    Applicant: Foundation of Soongsil University-Industry Cooperation
    Inventors: Souhwan JUNG, Thien-Phuc DOAN, Songi GWAK
  • Publication number: 20240063401
    Abstract: A method of manufacturing a conductive electrolyte layer according to various embodiments of the present disclosure for achieving the objects is disclosed. The method includes loading a substrate into a sputter chamber, connecting a plurality of targets to the chamber, injecting a mixed gas into the chamber, supplying power to each of the plurality of targets and forming a conductive electrolyte layer on one surface of the substrate, and sintering the conductive electrolyte layer at a set sintering temperature.
    Type: Application
    Filed: August 18, 2023
    Publication date: February 22, 2024
    Applicants: Seoul National University R&DB Foundation, Foundation of Soongsil University-Industry Cooperation
    Inventors: Suk Won CHA, Jaewon HWANG, Inwon CHOI, Taehyun PARK
  • Publication number: 20240062419
    Abstract: Provided is a pose estimation method in a 3D pose estimation apparatus for estimating a 3D pose of an object based on a graph convolution network (GCN). The pose estimation method comprises inputting a feature vector for a joint of the object; generating an affinity matrix according to the feature vector; generating a dynamic graph matrix by fusing the affinity matrix with a predefined static graph matrix of the graph convolution network; and estimating a 3D pose of the object for the feature vector by replacing the static graph matrix of the graph convolution network with the dynamic graph matrix. As a result, the performance of estimating a 3D pose can be greatly improved while almost maintaining the memory usage and inference time of the existing graph convolution network (GCN).
    Type: Application
    Filed: August 9, 2023
    Publication date: February 22, 2024
    Applicant: Foundation of Soongsil University-Industry Cooperation
    Inventors: Gye-young KIM, Minseok KIM
  • Publication number: 20240063415
    Abstract: A method of forming a conductive electrolyte layer according to various embodiments of the present disclosure for achieving the objects is disclosed. The method includes loading a substrate into a sputtering chamber, connecting multiple targets to the chamber, injecting a mixed gas into the chamber, supplying power to each of the multiple targets and forming the conductive electrolyte layer on one surface of the substrate, and sintering the conductive electrolyte layer at a set sintering temperature.
    Type: Application
    Filed: August 18, 2023
    Publication date: February 22, 2024
    Applicants: Seoul National University R&DB Foundation, Foundation of Soongsil University-Industry Cooperation
    Inventors: Taehyun PARK, Seokhun JEONG, Suk Won CHA, Jaewon HWANG
  • Publication number: 20240037281
    Abstract: Provided is a secure communication control system. The secure communication control system comprises a guest control unit provided in a guest operating system for generating a thread requesting arbitrary data from a host application installed in a host operating system; a guest shared key generation unit for generating a guest shared key to be used in the thread; a guest communication unit for transmitting the thread and the guest shared key to the host operating system; a host shared key generation unit for generating a host shared key corresponding to the guest shared key; a host control unit for requesting data according to the thread from the host application to receive the data from the host application, generating a session key from the guest shared key, and generating cipher text by encrypting the data using the session key; and a host communication unit for transmitting the cipher text and the host shared key to the guest operating system.
    Type: Application
    Filed: November 27, 2020
    Publication date: February 1, 2024
    Applicant: Foundation of Soongsil University-Industry Cooperation
    Inventors: Souhwan JUNG, Huy Hoang NGUYEN, Jungsoo PARK
  • Publication number: 20240031404
    Abstract: A counterattack method against a hacked node in a controller area network (CAN) bus physical layer includes: setting node IDs (NIDs), which are different unique IDs, for each of a plurality of nodes connected to a CAN bus line; determining that an error frame is generated when at least one of a node using a forged NID, a node using a different NID, and a node using a non-existent NID is found; increasing counts of a transmit error counter (TEC) and a receive error counter (REC) of a transmitting node and a receiving node whenever the error frame is generated; and allowing a node of which the count of the TEC or REC is greater than a set threshold value to enter a bus-off state to block the node.
    Type: Application
    Filed: December 28, 2020
    Publication date: January 25, 2024
    Applicant: Foundation of Soongsil University-Industry Cooperation
    Inventors: Seong Soo LEE, Tae Wook KANG
  • Publication number: 20230400427
    Abstract: Provided is an impedance spectroscopy analytical method for concrete using machine learning. The method comprises identifying electrical flow through moisture and a conductive ion present in concrete using a node that measures electricity based on electrochemical impedance spectroscopy (EIS); generating a theoretical equivalent circuit model comprising a conductive path reflecting the electrical flow: normalizing an equivalent circuit reflecting a concrete microstructure based on an impedance experiment using the theoretical equivalent circuit model; and generating a predictive model for estimating a water and cement ratio from a parameter value of the equivalent circuit through machine learning. Accordingly, the accuracy and reliability of estimating the microstructure and mixing ratio of the cement-based material can be increased.
    Type: Application
    Filed: November 17, 2021
    Publication date: December 14, 2023
    Applicant: Foundation of Soongsil University-Industry Cooperation
    Inventors: Hajin CHOI, Joo-hye PARK, Do-yun KIM, So-hyun SIM, Jin-Young HONG
  • Patent number: 11835118
    Abstract: The present invention relates to a harmonic gear device in which a first similarity curve obtained by similarly transforming a reference curve representing a moving locus of an external tooth with respect to an internal tooth in a non-deflected state and a second similarity curve generated by similarly transforming the first similarity curve are used as a criterion for generating a tooth profile, wherein the present invention may provide the harmonic gear device that enlarges a first curve represented by a moving locus of positive deflection located above the apex of the reference curve among the moving loci of positive deflection of the external teeth on the basis of the reference curve to approximate an approximate reference point arranged on the second similarity curve to create a second curve, and uses the second curve as the top of the tooth profile of the external tooth.
    Type: Grant
    Filed: August 24, 2020
    Date of Patent: December 5, 2023
    Assignee: Foundation of Soongsil University-Industry Cooperation
    Inventor: Hyeong Joon Ahn
  • Publication number: 20230362198
    Abstract: Provided is a dynamic security policy enforcement system for a container system. The dynamic security policy enforcement system comprises a policy management unit for generating and managing a security policy for a container based on a structured format including a set of rules of a predetermined condition; a policy enforcement unit for checking the set of rules when the container requests a system call, changing the security policy of the structured format into a code in a preset format, and transferring the policy changed into the code to a kernel space; and a policy operation decision unit for enforcing the policy received from the policy enforcement unit in the kernel space based on a policy enforcement program that hooks the system call and generating a return value for performing a predetermined operation.
    Type: Application
    Filed: April 17, 2023
    Publication date: November 9, 2023
    Applicant: Foundation of Soongsil University-Industry Cooperation
    Inventors: Souhwan JUNG, Thien-phuc DOAN, Songi GWAK
  • Publication number: 20230306112
    Abstract: Provided is an apparatus for detecting and classifying malicious code. The malicious code detection and classification apparatus comprise a graph-generating unit configured to generate graph information from source data including a plurality of nodes corresponding to APIs included in the source data and one or more edges connecting between the plurality of nodes; a matrix-generating unit configured to generate an adjacency matrix between the APIs included in the source data using the graph information; and a machine-learning unit configured to detect malicious code included in the source data using the adjacency matrix as an input value for a machine-learning-based analysis model.
    Type: Application
    Filed: November 26, 2020
    Publication date: September 28, 2023
    Applicant: Foundation of Soongsil University-Industry Cooperation
    Inventors: Souhwan JUNG, VuLong NGUYEN, Hyunseok SHIM
  • Publication number: 20230279360
    Abstract: The present invention relates to artificial skin having structure and properties by age, and more specifically to artificial skin having structure and properties, for which effective analysis and application are possible on the basis of age of the skin, as the human skin can be replicated according to age by simple control in the internal structure of properties such as height and width, and a method for manufacturing the same.
    Type: Application
    Filed: January 19, 2021
    Publication date: September 7, 2023
    Applicant: Foundation of Soongsil University-Industry Cooperation
    Inventors: Jae Hyun JEONG, Yun Gon KIM, Jun Woo LIM, Sung Gyu SHIN, Sa Ra HAN, Sung Woo CHO
  • Publication number: 20230195891
    Abstract: Provided is a resource monitoring apparatus including a log generation unit for extracting a method requested from a hardware abstraction layer and generating a log; a log classification unit for classifying the generated log according to a type of an interface connected to the method; and a log determination unit for identifying a malicious activity from the classified log based on pattern information of the log set differently depending on the type of the interface.
    Type: Application
    Filed: November 26, 2020
    Publication date: June 22, 2023
    Applicant: Foundation of Soongsil University-lndustry Cooperation
    Inventors: Soohwan JUNG, Thien-Phuc DOAN, Hyunseok SHIM
  • Patent number: 11641918
    Abstract: Provided is a cordless hair dryer. The cordless hair dryer includes a housing including a body part gripped by a user and a head part having a blower tube therein, a battery disposed inside the body part, a blower fan disposed in one end of the head part, a support which is inserted into the other end of the head part and fixed to an inner side of the blower tube, and a planar heating element which is formed as a carbon nanotube sheet and disposed on the support to receive power from the battery.
    Type: Grant
    Filed: November 7, 2019
    Date of Patent: May 9, 2023
    Assignee: Foundation of Soongsil University-industry Cooperation
    Inventors: Young Jin Jeong, Jae Woo Chung, Hyeon Jun Song
  • Publication number: 20230107625
    Abstract: Disclosed is an integrated clustering system including a master node that sets environment setting for clustering and generate an access token by installing a management program, a plurality of worker nodes that set environment setting based on an environment variable including an IP address of the master node and the access token and perform clustering with the master node by installing the management program, and a system control unit that extracts runtimes of clustering groups including the master node and the plurality of worker nodes which are clustered, and compares the runtime of one of the clustering groups with the runtimes of other clustering group than the one clustering group.
    Type: Application
    Filed: July 19, 2022
    Publication date: April 6, 2023
    Applicant: Foundation of Soongsil University-Industry Cooperation
    Inventor: Myungsik Yoo
  • Publication number: 20230109333
    Abstract: A method of building an ad-hoc network of a wireless relay node and an ad-hoc network system are disclosed. The method includes verifying state information representing a relative distance and angle to a neighboring node capable of receiving data when each of relay nodes transmits the data, determining an action representing a change over time of each relay node, determining, based on an amount of change in a network throughput determined according to the state information and an amount of energy consumption according to the action, a reward corresponding to the action, and building a network including a source node, a destination node, and a plurality of relay nodes by generating, based on a reward of each of the relay nodes, a policy that allows a cumulative reward to be maximized.
    Type: Application
    Filed: May 9, 2022
    Publication date: April 6, 2023
    Applicants: Ewha University - Industry Collaboration Foundation, Foundation of Soongsil University-Industry Cooperation
    Inventors: Hyunggon PARK, Nayoung KIM, Minhae KWON
  • Patent number: 11562177
    Abstract: A triple verification method is provided.
    Type: Grant
    Filed: November 27, 2019
    Date of Patent: January 24, 2023
    Assignee: Foundation of Soongsil University-Industry Cooperation
    Inventors: Young Tack Park, Jagvaral Batselem, Wan Gon Lee
  • Publication number: 20220333674
    Abstract: The present invention relates to a harmonic gear device in which a first similarity curve obtained by similarly transforming a reference curve representing a moving locus of an external tooth with respect to an internal tooth in a non-deflected state and a second similarity curve generated by similarly transforming the first similarity curve are used as a criterion for generating a tooth profile, wherein the present invention may provide the harmonic gear device that enlarges a first curve represented by a moving locus of positive deflection located above the apex of the reference curve among the moving loci of positive deflection of the external teeth on the basis of the reference curve to approximate an approximate reference point arranged on the second similarity curve to create a second curve, and uses the second curve as the top of the tooth profile of the external tooth.
    Type: Application
    Filed: August 24, 2020
    Publication date: October 20, 2022
    Applicant: Foundation of Soongsil University-Industry Cooperation
    Inventor: Hyeong Joon AHN
  • Patent number: 11442879
    Abstract: According to embodiments, in an interrupt request processing device including one or more peripheral devices, one or more processor interfaces, and one or more processors, when an interrupt request (IRQ) is generated, the peripheral device generates a packet and transmit the packet to the processor interface via an on-chip network, the processor interface receives and decodes the packet to transmit the IRQ signal to the processor, and receives an interrupt vector generated from the processor to transmit an initial instruction corresponding to an activated interrupt request may transmit to the processor, and the processor outputs the interrupt vector in response to the IRQ signal and executes a corresponding interrupt service routine (ISR).
    Type: Grant
    Filed: January 7, 2021
    Date of Patent: September 13, 2022
    Assignee: Foundation of Soongsil University-Industry Cooperation
    Inventor: Chanho Lee