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公开(公告)号：US11763433B2
公开(公告)日：2023-09-19
申请号：US17094932
申请日：2020-11-11
发明人： Zhihua Liu , Yamin Mao , Tianhao Gao , Hongseok Lee , Myungjae Jeon , Qiang Wang , Yuntae Kim
CPC分类号： G06T5/50 , G06F18/22 , G06N3/045 , G06N3/084 , G06T7/593 , G06T7/97 , G06T2207/10012 , G06T2207/10028 , G06T2207/20024 , G06T2207/20081 , G06T2207/20084 , G06T2207/20221
摘要： A depth image generation method includes obtaining a first depth image, based on a binocular image, obtaining a second depth image, using a depth camera, and obtaining a final depth image by performing image fusion on the obtained first depth image and the obtained second depth image.
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公开(公告)号：US11107229B2
公开(公告)日：2021-08-31
申请号：US16237952
申请日：2019-01-02
发明人： Lin Ma , Wonhee Lee , Chun Wang , Guangwei Wang , Minsu Ahn , Tianhao Gao , Sung Hoon Hong , Zhihua Liu
摘要： An image processing method and apparatus is disclosed. The image processing method includes receiving an input image and estimating a depth of a target based on a position, a size, and a class of the target in the input image.
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公开(公告)号：US11049275B2
公开(公告)日：2021-06-29
申请号：US16550985
申请日：2019-08-26
发明人： Zhihua Liu , Leewon Hee , Lin Ma , Qiang Wang , Tianhao Gao , Yamin Mao
摘要： A method and apparatus for outputting three-dimensional (3D) lines. The apparatus acquires a first image and a second image including lines on a road, generates, based on a first feature map acquired from the first image, a line probability map representing a probability that a pixel point of the first feature map belongs to the lines, calculates matching information of the first image and the second image based on the first feature map and a second feature map acquired from the second image, predicts depth values of the lines using the line probability map and the matching information, detects the lines based on the line probability map, generates 3D lines based on the detected lines and the depth values of the lines, and outputs the 3D lines.
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公开(公告)号：US10964030B2
公开(公告)日：2021-03-30
申请号：US16114622
申请日：2018-08-28
发明人： Guangwei Wang , Tianhao Gao , Chun Wang , GeeYoung Sung , Hong-Seok Lee , Lin Ma , Minsu Ahn , Qiang Wang , Sunghoon Hong , Yun-Tae Kim , Zhihua Liu
摘要： A method and device that estimate a pose of a device and the device are disclosed. The method may include generating inertial measurement unit (IMU) data of the device, determining a first pose of the device a first time point based on the IMU data, generating a current predicted motion state array based on the IMU data, and estimating an M-th predicted pose of the device at an M-th time point after the first time point based on the current predicted motion state array, where M denotes a natural number greater than 1.
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公开(公告)号：US10126562B2
公开(公告)日：2018-11-13
申请号：US15000658
申请日：2016-01-19
发明人： Jinho Lee , Tao Hong , Weiming Li , DongKyung Nam , Kang Xue , Xiying Wang , Zhihua Liu , Gengyu Ma , Haitao Wang , Mingcai Zhou
IPC分类号： G02B27/22 , H04N13/305 , H04N13/04 , H04N13/327 , H04N5/21
摘要： A method for reducing a moire fringe includes calculating a moire fringe width for each of different angles between a microlens array and pixels of a display screen. The method includes determining, to be a final inclination angle between the microlens array and the pixels of the display screen, one of the different inclination angles that corresponds to a minimum width among the calculated moire fringe widths.
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公开(公告)号：US09948913B2
公开(公告)日：2018-04-17
申请号：US14935757
申请日：2015-11-09
发明人： Weiming Li , Zhihua Liu , Xiying Wang , Yang Ho Cho , Kang Xue , Mingcai Zhou , Tao Hong , Gengyu Ma , Haitao Wang
IPC分类号： H04N13/00
CPC分类号： H04N13/128 , H04N13/122 , H04N13/183 , H04N2013/0081
摘要： An image processing method and apparatus are provided. The image processing method may include determining whether stereoscopic objects that are included in an image pair and that correspond to each other are aligned on the same horizontal line. The method includes determining whether the image pair includes target objects having different geometric features from those of the stereoscopic objects if the stereoscopic objects are not aligned on the same horizontal line. The method includes performing image processing differently for the stereoscopic objects and for the target objects if the image pair includes the target objects.
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公开(公告)号：US11636618B2
公开(公告)日：2023-04-25
申请号：US17093944
申请日：2020-11-10
发明人： Tianhao Gao , Xiaolong Shi , Xiongfeng Peng , Kuan Ma , Hongseok Lee , Myungjae Jeon , Qiang Wang , Yuntae Kim , Zhihua Liu
摘要： A simultaneous localization and mapping device is provided. The device includes an image obtaining device configured to capture color images and depth images of a surrounding environment; an initial pose estimating device configured to estimate an initial pose based on the color images and the depth images; a map constructing device configured to construct a three-dimensional map based on the depth images and the color images; and a pose determining device configured to determine a final pose based on the initial pose and the three-dimensional map.
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公开(公告)号：US11164326B2
公开(公告)日：2021-11-02
申请号：US16714963
申请日：2019-12-16
发明人： Zhihua Liu , Yun-Tae Kim , Hyong Euk Lee , Lin Ma , Qiang Wang , Yamin Mao , Tianhao Gao
摘要： Disclosed is a depth map calculation method and apparatus. The depth map calculation method includes calculating a global sparse depth map corresponding to a current frame using frames including the current frame, calculating a local dense depth map corresponding to the current frame using the current frame, extracting a non-static object region from the current frame by masking a static object region, removing the non-static object region from the global sparse depth map, and generating a global dense depth map corresponding to the current frame by merging the non-static object region-removed global sparse depth map and the local dense depth map.
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公开(公告)号：US12051221B2
公开(公告)日：2024-07-30
申请号：US17468984
申请日：2021-09-08
发明人： Zhihua Liu , Yamin Mao , Hongseok Lee , Paul Oh , Qiang Wang , Yuntae Kim , Weiheng Liu
IPC分类号： G06T7/73 , G06T3/4038 , G06T7/50
CPC分类号： G06T7/75 , G06T3/4038 , G06T7/50 , G06T2207/10028 , G06T2207/20221
摘要： Disclosed is a pose identification method including obtaining a depth image of a target, obtaining feature information of the depth image and position information corresponding to the feature information, and obtaining a pose identification result of the target based on the feature information and the position information.
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公开(公告)号：US11767024B2
公开(公告)日：2023-09-26
申请号：US16957629
申请日：2018-10-25
发明人： Chun Wang , Weiming Li , Zhihua Liu , Jie Dong
CPC分类号： B60W50/14 , B60K35/00 , B60W40/06 , G06V20/582 , G06V20/588 , B60K2370/1531 , B60K2370/177 , B60K2370/193 , B60K2370/779 , B60W2050/146 , B60W2552/53 , B60W2555/60
摘要： Embodiments of the present invention provide an Augmented Reality (AR) method and apparatus for driving assistance, which are applied in the technical field of AR. The method comprises the steps of: determining, based on information acquired during the driving process, driving assistance information, and displaying virtual three dimensional (3D) display information corresponding to the driving assistance information. In the present invention, the AR technology can be applied in the vehicle travelling process to assist a driver in better mastering driving information in the vehicle travelling process, and the user experience can be improved.
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