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公开(公告)号：US11783599B2
公开(公告)日：2023-10-10
申请号：US16626350
申请日：2019-12-03
发明人： Xiaodi Zhang , Zhiwei Zhang , Tianlong Bao , Chunhui Ding , Jin Wang
CPC分类号： G06V20/597 , B60W40/08 , B60W50/16 , G06V20/64 , G06V40/161 , B60W2050/143 , B60W2050/146 , B60W2420/42 , B60W2540/229 , G06T2207/30201 , G06T2207/30268 , G06V2201/07
摘要： A distracted-driving monitoring method, system and an electronic device are provided. The distracted-driving monitoring method includes: acquiring an image of a driver; detecting a target object in the image to obtain a detection result; obtaining a determination result of a driving behavior according to the detection result; and sending an alarm signal when the determination result indicates that a distracted-driving behavior occurs. Through at least some embodiments of the present disclosure, the distracted-driving behavior of the driver can be monitored in real time and alarmed, thus urging the driver to concentrate in driving, to ensure safe driving and avoid traffic accidents. In addition, the specific type of the distracted-driving behavior can also be determined and different alarm signals can be given, which can be used as a basis for law enforcement or for data collection, data analysis, and further manual confirmation; thereby solving the problem of traffic accidents caused by not monitoring the distracted-driving behavior of the driver during driving.
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公开(公告)号：US11423673B2
公开(公告)日：2022-08-23
申请号：US17054179
申请日：2020-03-17
发明人： Chen Tang , Zhiwei Zhang , Xiaodi Zhang , Chunhui Ding , Jin Wang
摘要： The present disclosure discloses a method and device for detecting a state of holding a steering wheel, wherein the method includes: a detection result is obtained by detecting a video stream collected from a target vehicle; an associated state of the first ROI information and the second ROI information in the two-dimensional plane carried in the detection result is obtained, wherein the first ROI information is ROI information about the steering wheel of the target vehicle, and the second ROI information is ROI information about the driver's hand of the target vehicle; a current state between the hand of the driver and the steering wheel of the target vehicle is determined according to the associated state. Then, the disclosure solves the technical problem in the related art that it is impossible to detect the grasping state of the steering wheel by the driver while driving.
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公开(公告)号：US10891473B2
公开(公告)日：2021-01-12
申请号：US16223725
申请日：2018-12-18
发明人： Zhiwei Zhang , Chen Tang , Mingming Zhu , Ping Ye , Jin Wang
摘要： A method and device for use in hand gesture recognition is applicable to image processing. The method includes: acquiring a depth map of a hand in a current image; estimating first positions of joints of the hand according to the depth map of the hand; creating a 3D point cloud of the hand according to the depth map of the hand; matching the first position of the joints of the hand and a stored 3D hand model to the 3D point cloud of the hand to obtain second positions of the joints and first degree of freedom parameters of the joints; and recognizing the hand's gestures according to the second positions of the joints and the first degree of freedom parameters of the joints. The method achieves a practical hand gesture recognition technique and recognizes hand gestures accurately.
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