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1.发明公开公开(公告)号：US20230224606A1
公开(公告)日：2023-07-13
申请号：US18185173
申请日：2023-03-16
发明人： Keun Joo PARK , Hyun Surk RYU , Tae Chan KIM , Jun Haeng LEE
IPC分类号： H04N5/335
CPC分类号： H04N25/745 , H04N23/45
摘要： An image adjustment apparatus includes a receiver which is configured to receive a first input image of an object which is time-synchronously captured and a second input image in which a motion event of the object is sensed time-asynchronously, and an adjuster which is configured to adjust the first input image and the second input image.
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2.发明申请公开(公告)号：US20200260042A1
公开(公告)日：2020-08-13
申请号：US16859598
申请日：2020-04-27
发明人： Keun Joo PARK , Hyun Surk Ryu , Tae Chan Kim , Jun Haeng Lee
摘要： Disclosed is an image adjustment apparatus including a receiver which is configured to receive a first input image of an object which is time-synchronously captured and a second input image in which a motion event of the object is sensed time-asynchronously, and an adjuster which is configured to adjust the first input image and the second input image.
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3.发明申请公开(公告)号：US20180308253A1
公开(公告)日：2018-10-25
申请号：US15665222
申请日：2017-07-31
发明人： Hyun Surk RYU , Joo Yeon WOO , Keun Joo PARK , Hyun Ku LEE , Wei Heng LIU , Dong Qing ZOU , Feng SHI , Jia LI , Qiang WANG
CPC分类号： G06T7/80 , G06K9/00711 , G06K9/209 , G06K9/78 , G06K2009/00738 , G06T7/248 , G06T7/292 , G06T2207/10016 , G06T2207/10028 , H04N5/04
摘要： Methods and apparatuses for time alignment calibration are provided including acquiring an event-stream and video images of a target object which are simultaneously shot by a dynamic vision sensor and an assistant vision sensor, determining a key frame that reflects obvious movement of the target object from the video images, mapping effective pixel positions of the target object in the key frame and effective pixel positions of the target object in the neighboring frames according to a spatial relative relation between the dynamic vision sensor and the assistant vision sensor, determining a first target object template that covers events in a first event-stream segment from the plurality of target object templates, and using a time alignment relation of an intermediate instant of the first event-stream segment and a timestamp of a frame corresponding to the first target object template between the dynamic vision sensor and the assistant vision sensor.
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公开(公告)号：US20180253210A1
公开(公告)日：2018-09-06
申请号：US15966286
申请日：2018-04-30
发明人： Keun Joo PARK , Hyun Surk RYU , Chang Kyu CHOI , Joon Ah PARK
IPC分类号： G06F3/0488 , G06F3/03 , G06F3/01
CPC分类号： G06F3/0488 , G06F3/017 , G06F3/0304 , G06F2203/04802
摘要： A method of displaying a menu based on at least one of a depth information and a space gesture is provided. The method including determining depth information corresponding to a distance from a screen of a user terminal to a hand of a user; identifying at least one layer among a plurality of layers based on the depth information; and applying a graphic effect to the identified layer so that a menu page corresponding to the at least one identified layer is displayed on the screen of the user terminal.
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公开(公告)号：US20170223332A1
公开(公告)日：2017-08-03
申请号：US15277572
申请日：2016-09-27
发明人： Ping GUO , Dongqing ZOU , Qiang WANG , Baek Hwan CHO , Keun Joo PARK
IPC分类号： H04N13/00
CPC分类号： H04N13/128 , H04N13/122 , H04N13/239 , H04N2013/0081
摘要： A method and apparatus for acquiring an image disparity are provided. The method may include acquiring, from dynamic vision sensors, a first image having a first view of an object and a second image having a second view of the object; calculating a cost within a preset disparity range of an event of first image and a corresponding event of the second image; calculating an intermediate disparity of the event of the first image and an intermediate disparity of the event of the second image based on the cost; determining whether the event of the first image is a matched event based on the intermediate disparity of the event of the first image and the intermediate disparity of the event of the second image; and predicting optimal disparities of all events of the first image based on an intermediate disparity of the matched event of the first imaged.
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公开(公告)号：US20240365022A1
公开(公告)日：2024-10-31
申请号：US18768535
申请日：2024-07-10
发明人： Yunjae SUH , Junseok KIM , Hyunsurk RYU , Keun Joo PARK , Masamichi ITO
摘要： An image sensor includes a CIS (CMOS image sensor) pixel, a DVS (dynamic vision sensor) pixel, and an image signal processor. The CIS pixel includes a photoelectric conversion device generating charges corresponding to an incident light and a readout circuit generating an output voltage corresponding to the generated charges. The DVS pixel detects a change in an intensity of the incident light based on the generated charges to output an event signal and does not include a separate photoelectric conversion device. The image signal processor allows the photoelectric conversion device to be connected to the readout circuit or the DVS pixel.
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7.发明申请公开(公告)号：US20200092508A1
公开(公告)日：2020-03-19
申请号：US16689579
申请日：2019-11-20
发明人： Keun Joo PARK , Junseok KIM , Yohan ROH , Hyunsurk RYU , Jooyeon WOO , Hyunku LEE
IPC分类号： H04N5/3745 , G06F16/583 , H04N5/367 , H04N5/341 , H05B39/04 , G06F16/23
摘要： An image processing device includes a vision sensor and a processor. The vision sensor generates a plurality of events in which an intensity of light changes and generates a plurality of timestamps depending on times when the events occur. In addition, the processor may regenerate a timestamp of a pixel where an abnormal event occurs, based on temporal correlation of the events.
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公开(公告)号：US20200084403A1
公开(公告)日：2020-03-12
申请号：US16552299
申请日：2019-08-27
发明人： Yunjae SUH , Junseok KIM , Hyunsurk RYU , Keun Joo PARK , Masamichi ITO
IPC分类号： H04N5/378 , H04N5/3745
摘要： An image sensor includes a CIS (CMOS image sensor) pixel, a DVS (dynamic vision sensor) pixel, and an image signal processor. The CIS pixel includes a photoelectric conversion device generating charges corresponding to an incident light and a readout circuit generating an output voltage corresponding to the generated charges. The DVS pixel detects a change in an intensity of the incident light based on the generated charges to output an event signal and does not include a separate photoelectric conversion device. The image signal processor allows the photoelectric conversion device to be connected to the readout circuit or the DVS pixel.
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公开(公告)号：US20180032150A1
公开(公告)日：2018-02-01
申请号：US15665914
申请日：2017-08-01
发明人： Hyunku LEE , Hyunsurk RYU , Keun Joo PARK , Jin-Man PARK
IPC分类号： G06F3/03
CPC分类号： G06F3/0304 , G06F1/3262 , G06F3/017 , G06F3/0488 , G06T2207/20182 , H04N5/2357 , H04N5/357
摘要： An event signal processing method and an event-based sensor performing the event signal processing method are provided. The event signal processing method includes receiving an activation signal to indicate sensing of an event from a sensor array, increasing the cumulative event number of a sensing area corresponding to the activation signal among sensing areas of the sensor array, reducing the cumulative event number of each of the sensing areas based on a parameter; and determining, as a flickering area, a sensing area among the sensing areas, of which the cumulative event number exceeds a threshold.
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公开(公告)号：US20170213324A1
公开(公告)日：2017-07-27
申请号：US15356808
申请日：2016-11-21
发明人： Qiang WANG , Kyoobin LEE , Keun Joo PARK , Ping GUO
CPC分类号： G06T5/003 , G06T5/50 , G06T2207/20221 , G06T2207/30241
摘要： An image deblurring method and an image deblurring apparatus are provided. The image deblurring method includes acquiring a blurred image and a dynamic vision sensor (DVS) event set that is recorded by a DVS while the blurred image is exposed, and deblurring the blurred image, based on the DVS event set.
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