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
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
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
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
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
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.
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.
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
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
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
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
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
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
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
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
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
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
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
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