Patents Assigned to SNU R&DB Foundation
  • Publication number: 20210351912
    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: Application
    Filed: March 4, 2021
    Publication date: November 11, 2021
    Applicants: 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: 20210336765
    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: Application
    Filed: April 21, 2021
    Publication date: October 28, 2021
    Applicants: 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: 11156604
    Abstract: A method of preparing an immunological substance detection nanowire complex includes preparing a multilayer nanowire in which a first metal and a second metal are alternately stacked, attaching a polymer, having a carboxyl group and an amine group at both ends of the polymer, to the second metal, attaching a first antibody, treated with a thiol's group, to the first metal of the multilayer nanowire, and attaching a second antibody to the second metal through the carboxyl group of the polymer. The second antibody includes a phosphor.
    Type: Grant
    Filed: April 25, 2019
    Date of Patent: October 26, 2021
    Assignees: Korea University Research and Business Foundation, SNU R&DB Foundation
    Inventors: Young Keun Kim, Yoo Sang Jeon, Da-yeon Nam, Yu Jin Kim, Hang-Rae Kim, Hyun Mu Shin
  • Publication number: 20210328766
    Abstract: A method and apparatus for processing a ciphertext based on homomorphic encryption. The method includes determining an approximate polynomial corresponding to a modulus reduction for bootstrapping a ciphertext based on samples extracted from the modulus reduction, and bootstrapping the ciphertext based on the approximate polynomial.
    Type: Application
    Filed: February 10, 2021
    Publication date: October 21, 2021
    Applicants: SAMSUNG ELECTRONICS CO., LTD., SNU R&DB FOUNDATION, Industry Academic Cooperation Foundation Chosun University
    Inventors: Jong Seon NO, Yong Woo LEE, Young Sik KIM, Joon Woo LEE
  • Publication number: 20210279587
    Abstract: A method and an apparatus for generating a code for a neural network operation are disclosed. The method includes receiving information on hardware configured to perform a neural network operation of the neural network, generating, using a processor, a target mapping model mapping the neural network operation on processing elements available to perform the neural network operation based on the information and a structure of the neural network, and generating a code to configure the hardware to perform the neural network operation based on the target mapping model.
    Type: Application
    Filed: March 3, 2021
    Publication date: September 9, 2021
    Applicants: Samsung Electronics Co., Ltd., SNU R&DB FOUNDATION
    Inventors: Bernhard EGGER, Minsu KIM, Hyemi MIN
  • Publication number: 20210263870
    Abstract: An accelerator, an operation method of the accelerator, and an accelerator apparatus including the accelerator are disclosed. The operation method includes receiving one or more workloads assigned by a main processor, performing at least one operation involved with the workloads in an internal memory of the accelerator or in a direct memory access (DMA) configured to control data input to or output from the internal memory, and providing a result of performing the at least one operation.
    Type: Application
    Filed: January 7, 2021
    Publication date: August 26, 2021
    Applicants: Samsung Electronics Co., Ltd., SNU R&DB Foundation
    Inventors: Seung Wook LEE, Jung Ho AHN, Hweesoo KIM
  • Publication number: 20210263865
    Abstract: An accelerator, an operation method of the accelerator, and an accelerator system including the accelerator are disclosed. The operation method includes receiving one or more workloads assigned by a host controller, determining reuse data of the workloads based on hardware resource information and/or a memory access cost of the accelerator when a plurality of processing units included in the accelerator performs the workloads, and providing a result of performing the workloads.
    Type: Application
    Filed: February 2, 2021
    Publication date: August 26, 2021
    Applicants: SAMSUNG ELECTRONICS CO., LTD, SNU R&DB FOUNDATION
    Inventors: Seung Wook LEE, Soojung RYU, Jintaek KANG, Sunjung LEE
  • Patent number: 11060021
    Abstract: The present invention relates to a core-shell nanocomposite including fluorescent bodies disposed to have a uniform distance in a perpendicular direction from a surface thereof, to a method of manufacturing same, and to a use for a probe for metal-enhanced fluorescence.
    Type: Grant
    Filed: May 20, 2015
    Date of Patent: July 13, 2021
    Assignee: SNU R&DB Foundation
    Inventors: Jwa Min Nam, Jae Ho Hwang, Min Ho Kim, Jung Hoon Lee
  • Patent number: 11062828
    Abstract: Provided is a color encoding method including providing a composition including a liquid medium and magnetic nanoparticles dispersed in the liquid medium; applying a magnetic field to the composition to align the magnetic nanoparticles; and applying a patterned energy source to the composition to solidify the composition, wherein more than one region of the composition are sequentially solidified with varying magnetic field strength to fix a plurality of color codes.
    Type: Grant
    Filed: December 20, 2016
    Date of Patent: July 13, 2021
    Assignee: SNU R&DB FOUNDATION
    Inventors: Sunghoon Kwon, Howon Lee, Junhoi Kim, Hyoki Kim
  • Patent number: 11037306
    Abstract: Disclosed is an ego motion estimation method and apparatus, wherein the apparatus calculates a scene flow field from a plurality of spaces of an input image, clusters the plurality of spaces based on a scene flow, updates a probability vector map for clustered spaces, identifies a stationary background based on the updated probability vector map, and estimates ego motion information based on the identified stationary background.
    Type: Grant
    Filed: January 2, 2019
    Date of Patent: June 15, 2021
    Assignees: Samsung Electronics Co., Ltd., SNU R&DB Foundation
    Inventors: Wonhee Lee, Sangil Lee, Hyoun Jin Kim, SungHoon Hong
  • Patent number: 10990857
    Abstract: A processor-implemented object detection method is provided. The method receives an input image, generates a latent variable that indicates a feature distribution of the input image, and detects an object in the input image based on the generated latent variable.
    Type: Grant
    Filed: May 10, 2019
    Date of Patent: April 27, 2021
    Assignees: Samsung Electronics Co., Ltd., SNU R&DB Foundation
    Inventors: Bee Lim, Changhyun Kim, Kyoung Mu Lee
  • Publication number: 20210116705
    Abstract: An aberration correction method and apparatus. The apparatus includes at least one processor, and an input/output unit configured to receive an captured image, wherein the processor is configured to initialize a first matrix or a second matrix by reducing a matrix of a point spread function (PSF) of a lens included in a capturing device used to capture the captured image, iteratively perform an aberration removal and a noise removal based on the captured image and the first matrix or the second matrix, and output a final original image as a result of the iteratively performing. Here, the first matrix is a matrix obtained by reducing the number of indices indicating light arrival points of the matrix of the PSF, and the second matrix is a matrix obtained by reducing the number of indices corresponding to light arrival points of a transposed matrix of the PSF.
    Type: Application
    Filed: April 2, 2020
    Publication date: April 22, 2021
    Applicants: SAMSUNG ELECTRONICS CO., LTD., SEOUL NATIONAL UNIVERSITY (SNU) R&DB FOUNDATION
    Inventors: DEOKYOUNG KANG, Myung Joo KANG, Yang Ho CHO, Seung Won JEONG, Jin Je PARK
  • Publication number: 20210085014
    Abstract: Provided is a smart insole including a support layer; a plurality of pressure sensors provided to the support layer and configured to sense a pressure; a plurality of vibrators provided to the support layer and configured to generate a vibration; and a controller configured to determine a center of pressure (COP) based on a pressure sensed by each of the plurality of pressure sensors and to control the plurality of vibrators based on a positional relationship between a setting point and the COP.
    Type: Application
    Filed: June 30, 2020
    Publication date: March 25, 2021
    Applicants: Samsung Electronics Co., Ltd., SNU R&DB Foundation
    Inventors: Se-Gon ROH, Jeongin MOON, Prabhat PATHAK, Jooeun AHN, Changhyun ROH, Youngbo SHIM
  • Patent number: 10936964
    Abstract: The present invention relates to a method and an apparatus for estimating multiple-ranking using pairwise comparative data, the method according to one embodiment comprising the steps of: inputting information for pairwise comparative data as input; and generating multiple-ranking data on the basis of the input data, wherein the input data comprises a collection of a plurality of respondents, a collection of a plurality of items, and a collection of a plurality of pairwise comparative data for the plurality of items, and each item of pairwise comparative data in the plurality of same is data indicating the preference between two items determined in accordance with an evaluation criterion from among a plurality of evaluation criteria.
    Type: Grant
    Filed: March 17, 2015
    Date of Patent: March 2, 2021
    Assignee: SNU R&DB FOUNDATION
    Inventors: Kyu Seok Shim, Woo Yeol Kim, Young Hoon Kim
  • Patent number: 10902846
    Abstract: A spoken language understanding apparatus according to embodiments of the present disclosure may include: a slot tagging module including: a morpheme analysis unit configured to analyze morphemes with respect to an uttered sentence, a slot tagging unit configured to tag slots corresponding to a semantic entity from a plurality of input tokens generated according to the analyzed morphemes, and a slot name conversion unit configured to convert phrases corresponding to the tagged slots into delexicalized slot names based on neighboring contextual information; and a language generation module configured to generate a combined sequence by combining the delexicalized slot names based on the plurality of input tokens.
    Type: Grant
    Filed: December 11, 2018
    Date of Patent: January 26, 2021
    Assignees: Hyundai Motor Company, Kia Motors Corporation, HYUNDAI MNSOFT, INC., SNU R&DB FOUNDATION
    Inventors: Bi Ho Kim, Sung Soo Park, Sang Goo Lee, You Hyun Shin, Kang Min Yoo, Sang Hoon Lee, Myoung Ki Sung
  • Patent number: 10883136
    Abstract: Provided is a method of isolating biochemical molecules on a microarray substrate, the method including providing a microarray substrate to which clusters of different kinds of biochemical molecules being classified by individual spot units are attached, the individual spots being regularly arranged thereon; obtaining location information of the individual spot in which a desired cluster among clusters of the biochemical molecules locates; locating an extraction tool for applying energy to isolate the desired cluster according to the location information; and isolating the desired cluster from the microarray substrate by applying energy in a contact or non-contact manner using the extraction tool.
    Type: Grant
    Filed: December 9, 2013
    Date of Patent: January 5, 2021
    Assignee: SNU R&DB FOUNDATION
    Inventors: Sunghoon Kwon, Taehoon Ryu, Yeongjae Choi, Yushin Jung, Hyoki Kim, Howon Lee
  • Publication number: 20200400704
    Abstract: A processor-implemented posture determination method includes: estimating a rotational acceleration of a timepoint based on an angular velocity measured by a first sensor at the timepoint and a determined center of rotation of a previous timepoint; correcting an acceleration measured by a second sensor at the timepoint based on the rotational acceleration; and determining a center of rotation of the timepoint and a posture of the timepoint based on the corrected acceleration and an estimated posture of the timepoint.
    Type: Application
    Filed: December 9, 2019
    Publication date: December 24, 2020
    Applicants: Samsung Electronics Co., Ltd., SNU R&DB FOUNDATION
    Inventors: Hyun Cheol JEON, Chan Gook PARK, Keechang LEE, Jungmin PARK, So Young PARK
  • Patent number: 10865277
    Abstract: The present disclosure relates to a method for manufacturing a metal nanostructure having a chiral structure. The method for manufacturing a metal nanostructure comprises: preparing a first mixture solution by mixing a metal precursor, a surfactant, and a reducing agent; preparing a second mixture solution by adding a peptide to the first mixture solution; and preparing a metal nanostructure having a chiral structure by adding a metal seed particle to the second mixture solution.
    Type: Grant
    Filed: April 27, 2018
    Date of Patent: December 15, 2020
    Assignees: LG Display Co., Ltd., SNU R&DB Foundation
    Inventors: KiSeok Chang, WookSung Kim, KiTae Nam, SungPil Ryu, HyeEun Lee, HyoYong Ahn
  • Patent number: 10820093
    Abstract: Disclosed is a sound data processing system including a plurality of sound collecting terminals and a server. Each of the plurality of sound collecting terminals includes: a sound collecting means that collects a sound and has an orientation direction, and a communication module that transmits sound data corresponding to the sound collected by the sound collecting means and supplementary data including position data of a position of a corresponding sound collecting terminal and orientation direction data corresponding to the orientation direction of the sound collecting means via a network. The server receives the sound data and the supplementary data transmitted by the plurality of sound collecting terminals through the network and determines a position of a source that emits the sound collected by the sound collecting means on the basis of the sound data and the supplementary data.
    Type: Grant
    Filed: January 13, 2020
    Date of Patent: October 27, 2020
    Assignee: SNU R&DB FOUNDATION
    Inventors: Suhwan Kim, Seyun Kim, Minjae Kim
  • Publication number: 20200315578
    Abstract: A probe includes a working channel, at least one optical element provided in the working channel and configured to acquire a spectral image of surface information of an object, and an ultrasonic transducer arranged in the working channel and configured to acquire an ultrasonic image of depth information of the target and move with respect to the at least one optical element.
    Type: Application
    Filed: April 3, 2020
    Publication date: October 8, 2020
    Applicants: Daegu Gyeongbuk Institute of Science and Technology, SNU R&DB FOUNDATION, The Industry & Academic Cooperation in Chungnam National University (IAC)
    Inventors: Jae Youn HWANG, Ji Hun KIM, Teo Jeon SHIN, Hong Keun HYUN, Hyoun Joong KONG