Patents Assigned to SNU R&DB Foundation
  • Publication number: 20220114116
    Abstract: An accelerator includes: a memory configured to store input data; a plurality of shift buffers each configured to shift input data received sequentially from the memory in each cycle, and in response to input data being stored in each of internal elements of the shift buffer, output the stored input data to a processing element (PE) array; a plurality of backup buffers each configured to store input data received sequentially from the memory and transfer the stored input data to one of the shift buffers; and the PE array configured to perform an operation on input data received from one or more of the shift buffers and on a corresponding kernel.
    Type: Application
    Filed: March 4, 2021
    Publication date: April 14, 2022
    Applicants: SAMSUNG ELECTRONICS CO., LTD., SNU R&DB FOUNDATION
    Inventors: Seung Wook LEE, Hweesoo KIM, Jung Ho AHN
  • Publication number: 20220114015
    Abstract: A scheduler, a method of operating the scheduler, and an electronic device including the scheduler are disclosed.
    Type: Application
    Filed: March 9, 2021
    Publication date: April 14, 2022
    Applicants: Samsung Electronics Co., Ltd, SNU R&DB FOUNDATION
    Inventors: Seung Wook LEE, Younghwan OH, Jaewook LEE, Sam SON, Yunho JIN, Taejun HAM
  • Publication number: 20220052848
    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: Application
    Filed: August 3, 2021
    Publication date: February 17, 2022
    Applicants: 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
  • Publication number: 20220012588
    Abstract: A reservoir management method includes: in response to receiving input data to which label information is mapped, determining whether to add the input data to a reservoir based on a sampling probability; in response to determining to add the input data to the reservoir when the reservoir is filled, selecting candidate data to be removed from among sets of sample data included in the reservoir based on a target label distribution and a current label distribution of the reservoir, and removing the selected candidate data from the reservoir; and training a neural network model using sample data of the reservoir from which the selected candidate data is removed.
    Type: Application
    Filed: June 15, 2021
    Publication date: January 13, 2022
    Applicants: SAMSUNG ELECTRONICS CO., LTD., SNU R&DB FOUNDATION
    Inventors: Seonmin RHEE, Chris Dongjoo KIM, Gunhee KIM, Jinseo JEONG, Seungju HAN
  • Publication number: 20210365790
    Abstract: A processor-implemented neural network data processing method includes: receiving input data; determining a portion of channels to be used for calculation among channels of a neural network based on importance values respectively corresponding to the channels of the neural network; and performing a calculation based on the input data using the determined portion of channels of the neural network.
    Type: Application
    Filed: January 14, 2021
    Publication date: November 25, 2021
    Applicants: SAMSUNG ELECTRONICS CO., LTD., SNU R&DB FOUNDATION
    Inventors: Changyong SON, Minsoo KANG, Bohyung HAN
  • Publication number: 20210358146
    Abstract: A processor-implemented method of detecting a moving object includes: estimating a depth image of a current frame; determining an occlusion image of the current frame by calculating a depth difference value between the estimated depth image of the current frame and an estimated depth image of a previous frame; determining an occlusion accumulation image of the current frame by adding a depth difference value of the occlusion image of the current frame to a depth difference accumulation value of an occlusion accumulation image of the previous frame; and outputting an area of a moving object based on the occlusion accumulation image.
    Type: Application
    Filed: February 4, 2021
    Publication date: November 18, 2021
    Applicants: SAMSUNG ELECTRONICS CO., LTD., SNU R&DB FOUNDATION
    Inventors: Hyoun Jin KIM, Haram KIM
  • 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: 20210351913
    Abstract: Disclosed is an encryption method and apparatus. The encryption method using homomorphic encryption may include generating a ciphertext by encrypting data, and bootstrapping the ciphertext by performing a modular reduction based on a selection of one or more target points for a modulus corresponding to the ciphertext.
    Type: Application
    Filed: March 31, 2021
    Publication date: November 11, 2021
    Applicants: Samsung Electronics Co., Ltd, SNU R&DB FOUNDATION, Industry-Academic Cooperation Foundation, Chosun University
    Inventors: Jong-Seon NO, Joonwoo LEE, Young-Sik KIM, Yongwoo 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