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公开(公告)号:US11156961B2
公开(公告)日:2021-10-26
申请号:US16361422
申请日:2019-03-22
Inventor: Hojung Kim , Kichul Kim , Yongkyu Kim , Hongseok Lee
Abstract: A method and apparatus for processing hologram image data capable of optimizing image quality of a hologram image are provided. The image processing method includes receiving input image data, reading a header included at a predetermined location in the input image data, and generating hologram data configured to display a hologram image by performing a Fourier calculation and pixel encoding on the input image data based on at least one parameter recorded in the header, wherein the at least one parameter recorded in the header includes at least one of depth information, scale information, and gamma information.
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公开(公告)号:US10809663B2
公开(公告)日:2020-10-20
申请号:US15954144
申请日:2018-04-16
Inventor: Hojung Kim , Kichul Kim , Yongkyu Kim , Hongseok Lee
Abstract: An image processing system for processing image data includes an image processing apparatus configured to process the image data to generate a hologram image; and a first memory and a second memory that store the image data. The image processing apparatus performs a first process and a second process in parallel, wherein the first process includes reading first data from the first memory and writing the first data to the second memory, and the second process includes reading second data from the second memory and writing the second data to the first memory.
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公开(公告)号:US10043799B2
公开(公告)日:2018-08-07
申请号:US15407598
申请日:2017-01-17
Applicant: Samsung Electronics Co., Ltd.
Inventor: Jaeyoung Park , Sungho Kang , Kichul Kim , Sunyoung Lee , Han Ki Lee , Bonyoung Koo
IPC: H01L21/336 , H01L21/302 , H01L21/461 , H01L27/088 , H01L29/34 , H01L29/06 , H01L29/08 , H01L21/306 , H01L21/8234 , H01L21/762 , H01L21/02 , H01L29/66 , H01L29/45 , H01L21/768 , H01L21/3205
CPC classification number: H01L27/0886 , H01L21/0206 , H01L21/302 , H01L21/306 , H01L21/32053 , H01L21/76224 , H01L21/76802 , H01L21/76877 , H01L21/823412 , H01L21/823418 , H01L21/823431 , H01L21/823437 , H01L21/823475 , H01L21/823481 , H01L29/0649 , H01L29/0657 , H01L29/0847 , H01L29/34 , H01L29/45 , H01L29/66545 , H01L29/66636 , H01L29/66795
Abstract: A method of manufacturing a semiconductor device includes forming a first plurality of recessed regions in a substrate, the substrate having a protruded active region between the first plurality of recessed regions and the protruded active region having an upper surface and a sidewall, forming a device isolation film in the first plurality of recessed regions, the device isolation film exposing the upper surface and an upper portion of the sidewall of the protruded active region, and performing a first plasma treatment on the exposed surface of the protruded active region, wherein the plasma treatment is performed using a plasma gas containing at least one of an inert gas and a hydrogen gas in a temperature of less than or equal to about 700° C.
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14.
公开(公告)号:US11886491B2
公开(公告)日:2024-01-30
申请号:US17326565
申请日:2021-05-21
Inventor: Myungjae Jeon , Kichul Kim , Yongkyu Kim , Hongseok Lee , San Kim , Hyekwan Yun , Donggeun Lee
Abstract: A preconditioned conjugate gradient (PCG) solver, embedded in an electronic device to perform a simultaneous localization and mapping (SLAM) operation, includes an image database, a factor graph database, and a back-end processor, wherein the back-end processor is configured to receive an image from the image database to perform re-localization, receive, from the factor graph database, data for calculating six degrees of freedom (DoF)-related components, construct a matrix including the six degrees of freedom-related components based on the received data, and load and rearrange the matrix and a vector, to perform calculation on each block of each row of the matrix and the vector, then output first data, and shift second data to a location of the first data.
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15.
公开(公告)号:US20230145875A1
公开(公告)日:2023-05-11
申请号:US17868453
申请日:2022-07-19
Inventor: Myungjae JEON , Kichul Kim , Namseop Kwon , Yongkyu Kim , Hongseok Lee
CPC classification number: G06T7/73 , G06T19/006
Abstract: An apparatus for accelerating simultaneous localization and mapping (SLAM) includes a SLAM processor including a front-end processor and a back-end processor. The front-end processor is configured to track a position of a first feature, among features extracted from a first frame, in a second frame subsequent to the first frame, and the back-end processor is configured to obtain a first measurement regarding a map point and a camera pose of the first feature based on the position of the first feature in the second frame tracked by the front-end processor, compute elements affecting an optimization matrix in relation to the first measurement, among elements of a Hessian matrix regarding the map point and the camera pose, and accumulate the computed elements in the optimization matrix used to perform an optimization operation with respect to states of the map point and the camera pose.
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公开(公告)号:US10996627B2
公开(公告)日:2021-05-04
申请号:US16139969
申请日:2018-09-24
Inventor: Yongkyu Kim , Kichul Kim , Hojung Kim , Hyunsik Park , Hongseok Lee , Hyunwook Ji
Abstract: With regard to image data processing, a method of obtaining a focus term by using periodicity of the focus term is provided. The focus term may be used in a plurality of operation processes for processing image data.
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公开(公告)号:US10915989B2
公开(公告)日:2021-02-09
申请号:US16032830
申请日:2018-07-11
Inventor: Hojung Kim , Kichul Kim , Yongkyu Kim , Hongseok Lee
Abstract: A method and apparatus for processing image data are provided. An image data processing apparatus includes: a receiver configured to receive image data that represents a current frame; and a processor configured to perform an inverse fast Fourier Transform (IFFT) computation with respect to a first region of the current frame, and to obtain an IFFT computation result with respect to a second region of the current frame by using a result of the IFFT computation with respect to the first region.
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公开(公告)号:US10901367B2
公开(公告)日:2021-01-26
申请号:US15819656
申请日:2017-11-21
Inventor: Yongkyu Kim , Kichul Kim , Hojung Kim , Hongseok Lee
Abstract: A method of obtaining a focus term by using a periodicity of the focus term is provided. The focus term may be used in a plurality of operation processes for processing image data.
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公开(公告)号:US10748249B2
公开(公告)日:2020-08-18
申请号:US16018323
申请日:2018-06-26
Inventor: Yongkyu Kim , Kichul Kim , Hojung Kim , Hongseok Lee
Abstract: A method and apparatus for converting first image data corresponding to a first depth and second image data corresponding to a second depth may be used for displaying a 3D image represented by the first image data and the second image data and performing FFT on the converted first image data and the converted second image data.
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公开(公告)号:US10026161B2
公开(公告)日:2018-07-17
申请号:US15270647
申请日:2016-09-20
Inventor: Hojung Kim , Kichul Kim , Hongseok Lee
Abstract: Provided are an apparatus and method for performing a Fourier transform. A method of performing a Fourier transform may include generating intermediate data by performing a one-dimensional fast Fourier transform (1D FFT) on data in a column direction, storing the intermediate data in a cell array in the column direction, reading out the intermediate data from the cell array in a row direction; and generating final data by performing a 1D FFT on the read-out intermediate data.
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