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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
发明人： Hojung Kim , Kichul Kim , Yongkyu Kim , Hongseok Lee
摘要： 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
发明人： Hojung Kim , Kichul Kim , Yongkyu Kim , Hongseok Lee
摘要： 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：US10079581B2
公开(公告)日：2018-09-18
申请号：US15162677
申请日：2016-05-24
发明人： Seok Ju Yun , Seongjoong Kim , Yongkyu Kim , Young Jun Hong
CPC分类号： H03G3/3036 , H03B5/1212 , H03B5/1228 , H03B2200/0096 , H03D11/04 , H03F3/19 , H03F3/265 , H03F2200/102 , H03F2200/294 , H03F2200/451 , H03G3/3052
摘要： A receiver includes a low noise amplifier (LNA) configured to amplify an input RF signal using a first current supplied by a first current source, and a voltage controlled oscillator (VCO) for applying an oscillation frequency to the amplified signal by generating an oscillation signal using the first current.
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公开(公告)号：US11747767B2
公开(公告)日：2023-09-05
申请号：US16780402
申请日：2020-02-03
申请人： SAMSUNG ELECTRONICS CO., LTD. , Korea University Research and Business Foundation, Sejong Campus
发明人： Hoon Song , Hwi Kim , Jongha Park , Hojung Kim , Yongkyu Kim
CPC分类号： G03H1/0891 , G03H2001/0088 , G03H2001/0825 , G03H2210/30
摘要： A method for processing a three-dimensional holographic image includes obtaining depth images from depth data of a three-dimensional object, dividing each of the depth images into a predetermined number of sub-images, obtaining interference patterns of computer-generated hologram (CGH) patches corresponding to each of the sub-images by performing a Fourier transform to calculate an interference pattern in a CGH plane for object data included in each of the sub-images, and generating a CGH for the three-dimensional object using the obtained interference patterns of the CGH patches.
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公开(公告)号：US11561508B2
公开(公告)日：2023-01-24
申请号：US17474595
申请日：2021-09-14
发明人： Hojung Kim , Kichul Kim , Yongkyu Kim , Hongseok Lee
摘要： 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：US10545328B2
公开(公告)日：2020-01-28
申请号：US15724459
申请日：2017-10-04
发明人： Hojung Kim , Kichul Kim , Yongkyu Kim , Hongseok Lee
摘要： An image processing apparatus includes a core configured to perform a fast Fourier transformation (FFT) operation on the image data, a memory configured to store data that is output by the core, and a controller configured to control the core to perform the FFT operation on the image data. The core is resettable based on an amount of the image data.
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公开(公告)号：US10783717B2
公开(公告)日：2020-09-22
申请号：US15455400
申请日：2017-03-10
发明人： Hojung Kim , Yongkyu Kim , Hoon Song , Hongseok Lee
IPC分类号： G06T19/20 , G06F17/14 , H04N13/271 , H04N13/161 , G03H1/08 , G06T7/262 , H04N7/18
摘要： A method for processing a three-dimensional (3D) image includes acquiring a frame of a color image and a frame of a depth image, and generating a frame by combining the acquired frame of the color image with the acquired frame of the depth image. The generating of the frame includes combining a line of the color image with a corresponding line of the depth image.
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公开(公告)号：US20180067390A1
公开(公告)日：2018-03-08
申请号：US15602302
申请日：2017-05-23
发明人： Sungwon Kwon , Yongkyu Kim , Jinsu Kim
摘要： Disclosed is a photomask. The photomask comprises a substrate, a reflective layer on the substrate, and an absorption structure on the reflective layer. The absorption structure comprises absorption patterns spaced apart from each other on the reflective layer. The absorption structure may include dummy holes in at least one of the absorption patterns. The dummy holes exhaust hydrogen from the absorption structure. The photomask may include a barrier layer on the absorption structure. The barrier layer may reduce the amount of hydrogen entering the absorption structure.
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公开(公告)号：US09621197B2
公开(公告)日：2017-04-11
申请号：US15016566
申请日：2016-02-05
发明人： Seongjoong Kim , Yongkyu Kim , Chang-soon Park , Young-jun Hong , Seok-ju Yun
IPC分类号： H04L25/03 , H04B1/04 , H04B1/00 , H04B1/7163
CPC分类号： H04L27/04 , H03F1/02 , H03F3/24 , H04B1/0082 , H04B1/04 , H04B1/0475 , H04B1/71635 , H04B2001/0408
摘要： An on-off keying (OOK) transmitter and communication method are provided. The OOK transmitter may include a data encoder configured to encode input data into a transmission sequence, a pulse shaper configured to generate pulses based on the transmission sequence, a bi-phase controller configured to generate a control signal to control a random change in phase, between two phases, of a carrier based on the transmission sequence, a bi-phased switch configured to randomly change a phase of the carrier generated by a voltage-controlled oscillator (VCO), based on the control signal, and a power amplifier (PA) configured to generate a transmission signal based on the generated pulses and the carrier with the randomly changed phase. The PA may be a bi-phasing PA, and the bi-phased switch may be included in the bi-phasing PA.
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公开(公告)号：US11727659B2
公开(公告)日：2023-08-15
申请号：US17679964
申请日：2022-02-24
发明人： Hojung Kim , Yongkyu Kim , Hoon Song , Hongseok Lee
IPC分类号： G06T19/20 , G06F17/14 , H04N13/271 , H04N13/161 , G03H1/08 , G06T7/262 , H04N7/18
CPC分类号： G06T19/20 , G03H1/0808 , G06F17/142 , G06T7/262 , H04N7/183 , H04N13/161 , H04N13/271 , G03H2210/45 , G06T2207/10024 , G06T2207/10028 , G06T2207/20056
摘要： A method for processing a three-dimensional (3D) image includes acquiring a frame of a color image and a frame of a depth image, and generating a frame by combining the acquired frame of the color image with the acquired frame of the depth image. The generating of the frame includes combining a line of the color image with a corresponding line of the depth image.
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