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1.发明申请公开(公告)号：US20220383544A1
公开(公告)日：2022-12-01
申请号：US17761183
申请日：2021-05-31
Applicant: BOE Technology Group Co., Ltd.
Inventor： Jingru Wang , Xiaojun Tang , Guangli Wang
Abstract: A distance measurement method is provided. The distance measurement method includes obtaining an image of a target device, the image of the target device including a target object of a first color and a background object of a second color, the first color being different from the second color; processing the image of the target device to obtain a processed image, the processed image including a processed target object of a third color and a processed background object of a fourth color; detecting a contour of the processed target object of the third color; calculating an area encircled by the contour; and calculating a distance between a camera and the target device upon determination of the area encircled by the contour.
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公开(公告)号：US12260644B2
公开(公告)日：2025-03-25
申请号：US18144366
申请日：2023-05-08
Applicant: BOE Technology Group Co., Ltd.
Inventor： Zeyu Shangguan , Guangli Wang
Abstract: A method and an apparatus for early warning of climbing behaviors, an electronic device, and a storage medium are disclosed. The method includes: acquiring video image data including a monitored target and at least one object (11); acquiring behavior information of the at least one object when it is determined that the at least one object enters a target area corresponding to the monitored target (12); marking video frames in which the at least one object is included when it is determined that the behavior information indicates that the at least one object climbs the monitored target (13). By marking the video frames in the video image data, the behavior of the object climbing the monitored target can be found in time, and the management efficiency can be improved.
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3.发明授权公开(公告)号：US12236636B2
公开(公告)日：2025-02-25
申请号：US17761183
申请日：2021-05-31
Applicant: BOE Technology Group Co., Ltd.
Inventor： Jingru Wang , Xiaojun Tang , Guangli Wang
Abstract: A distance measurement method is provided. The distance measurement method includes obtaining an image of a target device, the image of the target device including a target object of a first color and a background object of a second color, the first color being different from the second color; processing the image of the target device to obtain a processed image, the processed image including a processed target object of a third color and a processed background object of a fourth color; detecting a contour of the processed target object of the third color; calculating an area encircled by the contour; and calculating a distance between a camera and the target device upon determination of the area encircled by the contour.
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公开(公告)号：US11990010B2
公开(公告)日：2024-05-21
申请号：US17971498
申请日：2022-10-21
Applicant: BOE Technology Group Co., Ltd.
Inventor： Guangli Wang
IPC: G08B13/196 , G06V40/16 , G06V40/20 , G08B31/00
CPC classification number: G08B13/19606 , G06V40/166 , G06V40/171 , G06V40/172 , G06V40/23 , G08B13/19613 , G08B31/00
Abstract: A method and an apparatus for early warning of climbing behaviors, an electronic device, and a storage medium are disclosed. The method includes: acquiring video image data including a monitored target and at least one object (11); acquiring behavior information of the at least one object when it is determined that the at least one object enters a target area corresponding to the monitored target (12); marking video frames in which the at least one object is included when it is determined that the behavior information indicates that the at least one object climbs the monitored target (13). By marking the video frames in the video image data, the behavior of the object climbing the monitored target can be found in time, and the management efficiency can be improved.
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