Patents Assigned to UIF (UNIVERSITY INDUSTRY FOUNDATION), YONSEI UNIVERSITY
  • Patent number: 11908170
    Abstract: A multi-level transferable region-based domain adaptive object detection apparatus includes: an image-level feature part that extracts an image-level feature by providing unlabeled target data to a plurality of convolutional layers; an RPN-level feature part that determines region candidates by providing the image-level feature to a region proposal network (RPN) and performing RPN-level domain adaptation and transferable region filtering; and an instance-level feature part that extracts a region of interest (RoI) pooling feature by conducting dynamic instance sampling on the region candidates.
    Type: Grant
    Filed: December 2, 2021
    Date of Patent: February 20, 2024
    Assignee: UIF (UNIVERSITY INDUSTRY FOUNDATION), YONSEI UNIVERSITY
    Inventors: Hye Ran Byun, Mi Rae Do, Seog Kyu Jeon, Ki Beom Hong
  • Publication number: 20240057347
    Abstract: A memory element includes a substrate, a first electrode formed on the substrate, a phase-change heterolayer formed on the first electrode and electrically connected to the first electrode, and a second electrode formed on the phase-change heterolayer, wherein the phase-change heterolayer includes one or more confinement material layers and one or more phase-change material layers, and the confinement material layer includes a metal chalcogenide film.
    Type: Application
    Filed: July 7, 2023
    Publication date: February 15, 2024
    Applicants: Samsung Electronics Co., Ltd., UIF (University Industry Foundation), Yonsei University
    Inventors: Wooyoung YANG, Hyungjun Kim, Hajun Sung, Kiyeon Yang, Changseung Lee, Changyup Park, Seung-min Chung, Sangyoon Lee, Inkyu Sohn
  • Publication number: 20240046434
    Abstract: An image processing method includes receiving an image, calculating a luminance component of the received image, estimating an illuminance component of the image by using the luminance component, calculating a gamma value, based on the luminance component and the illuminance component, and calculating the luminance component with an improved dynamic range using a conversion ratio based on the gamma value.
    Type: Application
    Filed: July 12, 2023
    Publication date: February 8, 2024
    Applicants: SAMSUNG ELECTRONICS CO., LTD., UIF (University Industry Foundation), Yonsei University
    Inventors: Seunghoon JEE, Moongi KANG, Haegeun LEE
  • Publication number: 20240036827
    Abstract: There is provided a computation apparatus located in a memory module and configured to perform computation with data stored in the memory, the computation apparatus including: a plurality of word lines to which an input is provided; a plurality of unit arrays which store a weight having a sign and perform a multiplication operation on the input provided from the word line and the weight; and an accumulation line connected to the plurality of unit arrays and on which results of the multiplication operations performed by the plurality of unit arrays are accumulated, wherein each of the plurality of unit arrays includes a source follower amplifier including a ferroelectric transistor configured to output a voltage corresponding to a result of the multiplication operation with respect to an input voltage provided to the word line.
    Type: Application
    Filed: February 16, 2023
    Publication date: February 1, 2024
    Applicant: UIF (University Industry Foundation), Yonsei University
    Inventors: Seong Ook JUNG, Dong Han KO, Young Kyu LEE, Se Hee LIM
  • Publication number: 20240030719
    Abstract: Disclosed is a method of cooperatively controlling power based on power sensitivity that is executed by at least one processor including obtaining a first power sensitivity parameter based on a power generation change amount of a distribution grid to a magnitude change amount of an arbitrary load, receiving a feasible operation region (FOR) of the distribution grid from a distribution grid operator corresponding to the distribution grid including a plurality of generators, determining final reference power of the distribution grid based on the first power sensitivity parameter and the FOR, and transmitting the final reference power to the distribution grid operator.
    Type: Application
    Filed: November 29, 2022
    Publication date: January 25, 2024
    Applicant: UIF (University Industry Foundation), Yonsei University
    Inventors: Jung-Wook Park, Kipo Yoon
  • Patent number: 11881974
    Abstract: Disclosed is a modulation method for modulating n-bit data (n=p+q+r). The modulation method includes forming a time difference between a data impulse and a sync impulse to correspond to p-bit data, modulating the amplitude of the sync impulse to correspond to q-bit data and modulating the amplitude of the data impulse to correspond to r-bit data, and combining the sync impulse and the data impulse. As an example, n may be equal to p+q+r.
    Type: Grant
    Filed: August 24, 2021
    Date of Patent: January 23, 2024
    Assignee: UIF (UNIVERSITY INDUSTRY FOUNDATION), YONSEI UNIVERSITY
    Inventors: Tae Wook Kim, Geun Haeng Lee
  • Patent number: 11874357
    Abstract: The disclosed technology relates to a method and device for generating a fat suppression magnetic resonance image. The method includes: inputting, by an imaging device, a magnetic resonance image to an encoder of a neural network to extract features of the magnetic resonance image; and generating, by a generator of the neural network, a T2-weighted fat suppression image based on the features, in which the neural network is trained according to a result of discriminating, by a discriminator of the neural network, a loss due to a generation of a T2-weighted fat suppression image and as a result of reconstructing, by a decoder, the magnetic resonance image input to the encoder using a Bloch equation before the magnetic resonance image is input.
    Type: Grant
    Filed: April 13, 2022
    Date of Patent: January 16, 2024
    Assignee: UIF (UNIVERSITY INDUSTRY FOUNDATION), YONSEI UNIVERSITY
    Inventors: Do Sik Hwang, Sungjun Kim, Young Han Lee, Se Won Kim
  • Publication number: 20230414701
    Abstract: A method of preventing, ameliorating, or treating a cognitive dysfunction in a subject in need thereof, includes administering a pharmaceutical composition including a peptide represented by the amino acid sequence of SEQ ID NO: 1 as an active ingredient. Any one or more of the N-and C-termini of the peptide are modified and the modification is acetylation or amidation.
    Type: Application
    Filed: June 18, 2021
    Publication date: December 28, 2023
    Applicant: UIF (University Industry Foundation), Yonsei University
    Inventors: Young Soo KIM, Ill Hwan CHO, Tae Ho KO
  • Publication number: 20230414746
    Abstract: The present invention relates to a microneedle including an influenza vaccine and particularly a soluble microneedle including an influenza vaccine, and more specifically to a microneedle including an influenza vaccine and an influenza vaccine patch including the same that can increase the stability of the influenza vaccine and expect a higher immune effect by including a water-soluble polymer and an additive at a specific ratio, and when the microneedle including the influenza vaccine of the present invention is used, not only the stability of the vaccine is increased, but also the skin penetration and drug delivery effect are remarkably excellent.
    Type: Application
    Filed: December 22, 2022
    Publication date: December 28, 2023
    Applicants: UIF (University Industry Foundation), Yonsei University, JUVIC INC.
    Inventors: Hyungil JUNG, Huisuk YANG, Geonwoo KANG
  • Publication number: 20230388630
    Abstract: A foldable portable device is disclosed. The foldable portable device according to the present invention includes a first body provided with a first lens configured to recognize an object and a first image sensor configured to detect an image of the object recognized by the first lens, a second body coupled to the first body to be folded toward the first body and provided with a second lens configured to adjust a focus for the object recognized through the first lens, and a first controller provided in the second body and configured to adjust a magnification of the object focused by the second lens, wherein the first lens and the second lens are provided to have the same optical path when the second body is folded toward the first body and overlaps the first body.
    Type: Application
    Filed: April 11, 2023
    Publication date: November 30, 2023
    Applicant: UIF (University Industry Foundation), Yonsei University
    Inventors: Seung Han PARK, Dae Yeon KIM, Jae Hoon LEE, Ha Rim JEONG
  • Patent number: 11830397
    Abstract: The present exemplary embodiments provide a stretchable display which controls an appropriate resolution by disposing a hidden cell below a layer in which an open cell is located using a morphable three-dimensional structure in which LED chips are vertically disposed, rather than a two-dimensional platform of the existing plane, sensing a current change in accordance with a mode switching between a folded mode and a stretched mode while maintaining a state in which an open cell is exposed and the hidden cell is hidden in a folded mode, to automatically turn on/off the hidden cell, and activating the hidden cell in the stretched mode and a manufacturing method thereof.
    Type: Grant
    Filed: February 15, 2023
    Date of Patent: November 28, 2023
    Assignee: UIF (University Industry Foundation), Yonsei University
    Inventors: Jong-Hyun Ahn, Yongjun Lee, Beom Jin Kim, Luhing Hu, Juyeong Hong
  • Patent number: 11825755
    Abstract: The present invention relates to a non-volatile memory device and a method of fabricating the same. The non-volatile memory device according to an embodiment of the present invention comprises a first electrode; a second electrode; a first oxide layer disposed between the first electrode and the second electrode, and having a reversible filament formed therein; and an oxygen reservoir layer disposed between the first oxide layer and the second electrode, and absorbing oxygens of the first oxide layer to form oxygen vacancy constituting the reversible filament in the first oxide layer. The concentration of the oxygen vacancy may increase from the first oxide layer toward the oxygen reservoir layer.
    Type: Grant
    Filed: April 8, 2022
    Date of Patent: November 21, 2023
    Assignees: SK hynix Inc., UIF (University Industry Foundation), Yonsei University
    Inventors: Woo Young Park, Hyunchul Sohn, Jinyeol Lee, Taeho Kim
  • Patent number: 11824452
    Abstract: According to the integrated power conversion apparatus and method according to the exemplary embodiment of the present disclosure, the on-board battery charger (OBC), the lower voltage battery charger (LDC), and the traction converter (TC) are integrated to convert the power so that all the functions which need to be performed by the power conversion system of the related art can be performed. Further, the number of switches is reduced to increase a power density and not only the number of switches, but also the number of controllers is reduced to improve feasibility.
    Type: Grant
    Filed: May 9, 2022
    Date of Patent: November 21, 2023
    Assignee: UIF (University Industry Foundation), Yonsei University
    Inventors: Jung Wook Park, Issac Kim
  • Patent number: 11822029
    Abstract: The present invention is a method to determine an azimuthal orientation of a borehole seismometer sensor performed by a computing device using a control server having a database and an arithmetic function, the computing device performing a method to determine the azimuthal orientation of a borehole seismometer sensor using long-period surface waves in microseisms, including step S100 in which a data collection unit 100 collects continuous waveform data recorded by a borehole seismometer and a reference seismometer; step S200 in which a frequency band setting unit 200 sets a frequency band to be analyzed in the collected continuous waveform data; step S300 in which a filtering unit 300 performs bandpass filtering on the frequency band to be analyzed; step S400 in which a waveform dividing unit 400 divides seismic waveform into waveform segments with preset time units; step S500 in which a phase shift unit 500 shifts the phase of the divided vertical component waveforms by 90°; step S600 in which a waveform cal
    Type: Grant
    Filed: March 31, 2022
    Date of Patent: November 21, 2023
    Assignee: UIF (UNIVERSITY INDUSTRY FOUNDATION), YONSEI UNIVERSITY
    Inventors: Tae-Kyung Hong, Seongjun Park
  • Publication number: 20230361804
    Abstract: A transmitter circuit of an interface circuit includes a clock generating circuit, a pulse generating circuit, an overlapped multiplexing circuit, and an output circuit. The clock generating circuit generates a plurality of clocks having different phases. The pulse generating circuit generates a plurality of pulses based on the plurality of clocks. The overlapped multiplexing circuit receives a plurality of input signals in parallel, and sequentially outputs a plurality of overlapped signals based on the plurality of clocks, the plurality of input signals, and the plurality of pulses, and each overlapped signal includes bit values of two input signals among the plurality of input signals. The output circuit serially outputs bit values of the plurality of input signals in series based on the plurality of overlapped signal.
    Type: Application
    Filed: February 4, 2023
    Publication date: November 9, 2023
    Applicants: Samsung Electronics Co., Ltd., UIF (University Industry Foundation), Yonsei University
    Inventors: BYONGMO MOON, Taeryeong KIM, Seongook JUNG, Jeonghyeok YOU
  • Patent number: 11806712
    Abstract: The present invention relates to a microfluidic mixer and a microfluidic device including the same, and in the microfluidic mixer according to the present invention, a disk-shaped mixing unit with double U-shaped protruding portions formed therein can be continuously provided along a microchannel, thereby increasing collisions of samples to improve the binding efficiency thereof and shorten the binding time. Furthermore, the microfluidic device according to the present invention can detect a target material at high speed even at a high flow rate by including the microfluidic mixer, and thus can be usefully utilized for early diagnosis and prognosis diagnosis of a disease such as cancer.
    Type: Grant
    Filed: July 7, 2021
    Date of Patent: November 7, 2023
    Assignee: UIF (UNIVERSITY INDUSTRY FOUNDATION), YONSEI UNIVERSITY
    Inventors: Hyo Il Jung, Kyung A Hyun, Sun Young Park, Hogyeong Gwak, Seung Il Kim
  • Patent number: 11803302
    Abstract: A user interface device based on proactive and reactive input quantification, includes a data acquisition unit configured to record input and screen output of a user, an input filtering unit for extracting an input timing for the input of the user, an output filtering unit for extracting an output timing to start a visual change beyond a specific reference for the screen output, an input/output interval extraction unit for generating a distribution of input/output intervals through timings for the input and the screen output of the user, and a model fitting unit for estimating proactiveness and reactiveness by adjusting the distribution of the input/output intervals to a proactive distribution and a reactive distribution.
    Type: Grant
    Filed: December 29, 2021
    Date of Patent: October 31, 2023
    Assignee: UIF (UNIVERSITY INDUSTRY FOUNDATION), YONSEI UNIVERSITY
    Inventors: Byungjoo Lee, Hyunchul Kim
  • Patent number: 11798171
    Abstract: Discloses are weakly supervised semantic segmentation device and method based on pseudo-masks. The device includes a localization map generator configured to generate a plurality of first localization maps by providing an image to a first classifier; a saliency map processor configured to calculate a saliency loss through a saliency map used to identify a boundary line and a co-occurring pixel based on the plurality of first localization maps; a multi-label processor configured to predict a multi-label based on the plurality of first localization maps and calculate a classification loss; and a pseudo-masks generator configured to generate a second classifier obtained by updating the first classifier based on the saliency loss and the classification loss, and generate the pseudo-masks based on a plurality of second localization maps by the second classifier.
    Type: Grant
    Filed: November 5, 2021
    Date of Patent: October 24, 2023
    Assignee: UIF (UNIVERSITY INDUSTRY FOUNDATION), YONSEI UNIVERSITY
    Inventors: Hyunjung Shim, Seungho Lee, MinHyun Lee
  • Publication number: 20230327798
    Abstract: The present disclosure relates to a 5th generation (5G) or pre-5G communication system for supporting higher data transmission rates than 4th generation (4G) communication systems such as long term evolution (LTE). A method performed by a first base station in a wireless communication system includes: identifying a first signal-to-interference-noise ratio (SINR), based on channel state information received from a terminal; identifying a modulation and coding scheme (MCS), based on the first SINR and information on a link direction of a second base station; and transmitting information indicating the MCS to the terminal.
    Type: Application
    Filed: June 9, 2023
    Publication date: October 12, 2023
    Applicants: SAMSUNG ELECTRONICS CO., LTD., UIF (UNIVERSITY INDUSTRY FOUNDATION), YONSEI UNIVERSITY
    Inventors: Youngmin JEONG, Hyejin KIM, Daesik HONG, Jeewoong KANG, Wontae YU, Hyunkyu YU, Hoon HUH
  • Publication number: 20230326017
    Abstract: Provided are a system and method of automatically measuring spinal parameters. The system includes an image acquisitor configured to acquire an overall image of a spine and a parameter extractor configured to generate a learning model for extracting designated points from various spinal images and detecting relationships between the extracted points as angles, search for the designated points in the overall spinal image of the image acquisitor using the generated learning model, and check angular relationships between the points.
    Type: Application
    Filed: March 22, 2023
    Publication date: October 12, 2023
    Applicants: AJOU UNIVERSITY INDUSTRY-ACADEMIC COOPERATION FOUNDATION, UIF (UNIVERSITY INDUSTRY FOUNDATION), YONSEI UNIVERSITY
    Inventors: Sunghyeon NOH, Yoon HA