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公开(公告)号：US20210256725A1
公开(公告)日：2021-08-19
申请号：US17029611
申请日：2020-09-23
Inventor： Xiaoxing ZHU , Fan YANG , Chengfa WANG , Yongyi SUN
Abstract: A target detection method, device, an electronic apparatus, and a storage medium are provided, which are related to a field of computer vision technology. The specific implementation includes: determining at least one first image from multiple images, wherein a candidate target is contained in respective first images; acquiring confidence degrees of the candidate target in the respective first images; calculating an appearance probability of the candidate target according to weights and the confidence degrees of the respective first image; and determining the candidate target as a final target, in a case that the appearance probability meets a first preset condition. A candidate target may be comprehensively determined by using a detection result of multiple images, thereby determining a detected final target, and improving the detection accuracy of the final target.
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公开(公告)号：US20210107531A1
公开(公告)日：2021-04-15
申请号：US16915546
申请日：2020-06-29
Inventor： Xiang LIU , Bin GAO , Shuang ZHANG , Xiaoxing ZHU , Jingjing XUE , Junping WANG , Chengfa WANG
IPC: B60W60/00
Abstract: A method, including: acquiring a point cloud frame including point cloud data of a pedestrian; projecting the point cloud data of the pedestrian to a ground coordinate system to obtain projection point data of the pedestrian; determining a direction of a connection line between the two shoulders of the pedestrian, based on a location distribution of the projection point data; extracting a point cloud of a stable region from the point cloud data of the pedestrian based on the direction of the connection line between the two shoulders of the pedestrian, a form change range of the stable region when the pedestrian moves being smaller than form change ranges of other regions of the pedestrian; and determining movement information of the pedestrian based on a coordinate of a center point of the point cloud of the stable region in a plurality of consecutive point cloud frames.
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公开(公告)号：US20210099831A1
公开(公告)日：2021-04-01
申请号：US16918496
申请日：2020-07-01
Inventor： Guohao GONG , Junping WANG , Tiankun ZHAO , Dongchao GAO , Zelin WU , Chengfa WANG , Yongyi SUN
IPC: H04W4/02 , G01S11/02 , H04W4/44 , G08G1/0962
Abstract: The present disclosure provides a method for measuring a sensing range of a vehicle, a device and a medium, and relates to a technical field of automatic driving. The method includes: determining a target road side unit to be measured according to a road side unit identifier; when it is detected that the vehicle receives a road-side message from the target road side unit, determining vehicle positioning information of the vehicle when the road-side message is received; and determining a sensing range of the vehicle to the target road side unit in a target lane in which the vehicle travels according to the vehicle positioning information.
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公开(公告)号：US20210089792A1
公开(公告)日：2021-03-25
申请号：US16912352
申请日：2020-06-25
Inventor： Xiang LIU , Shuang ZHANG , Bin GAO , Xiaoxing ZHU , Jingjing XUE , Fan YANG , Junping WANG , Chengfa WANG
Abstract: Embodiments of the present disclosure relate to a method and apparatus for outputting information. The method may include: acquiring point cloud data and image data collected by a vehicle during a driving process; determining a plurality of time thresholds based on a preset time threshold value range; executing following processing for each time threshold: identifying obstacles included in each point cloud frame and each image frame respectively; determining a similarity between the obstacles; determining, in response to the similarity being greater than a preset similarity threshold, whether a time interval between the point cloud frame and the image frame corresponding to two similar obstacles is less than the time threshold; and processing recognized obstacles based on a determining result, to determine the number of obstacles; and determining, based on a plurality of numbers, and outputting a target time threshold.
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公开(公告)号：US20210358298A1
公开(公告)日：2021-11-18
申请号：US17115328
申请日：2020-12-08
Inventor： Qiqi XU , Fan YANG , Yongyi SUN , Chengfa WANG , Xuan HUANG
Abstract: A method and apparatus for adjusting channelization of a traffic intersection are proposed. The specific implementation of the method is: obtaining a first traffic characteristic of vehicles at each of a plurality of target positions in a process of vehicles in a target traveling direction traveling through the traffic intersection from upstream to downstream in a preset first time period; generating first traffic change information of the traffic intersection based on the first traffic characteristic at each of the plurality of target positions; and in response to that the first traffic change information satisfies a preset first change distribution, generating channelization adjustment information for non-motorized vehicle lanes of the traffic intersection.
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Patent Agency Ranking
公开(公告)号：US20210078599A1
公开(公告)日：2021-03-18
申请号：US16915552
申请日：2020-06-29
Inventor： Ning YU , Fan ZHU , Jingjing XUE , Chengfa WANG
Abstract: Embodiments of the present disclosure disclose a vehicle fault processing method, a device and a medium, and relate to the field of autonomous driving technologies. The vehicle fault processing method includes: obtaining operating index data of a target vehicle and driving environment information of the target vehicle, the operating index data being configured to determine an operating condition of the target vehicle; determining whether a fault occurs in the target vehicle based on the operating index data; and when a fault occurs in the target vehicle, controlling the target vehicle to place a warning sign at a preset position based on the driving environment information.
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公开(公告)号：US20210046952A1
公开(公告)日：2021-02-18
申请号：US16917403
申请日：2020-06-30
Inventor： Lijun JU , Chengfa WANG , Junping WANG , Fan YANG
IPC: B60W60/00 , B60W50/029 , G07C5/08 , H04W4/40
Abstract: Embodiments of the present disclosure relate to an autonomous vehicle and a system for the autonomous vehicle. The system may include a master computing unit configured to control operations of the autonomous vehicle; a slave computing unit communicatively coupled to the master computing unit and configured to control the operations of the autonomous vehicle in response to detecting a failure of the master computing unit; at least one lidar configured to acquire environmental information around the autonomous vehicle; and a switch communicatively coupled to the at least one lidar, the master computing unit and the slave computing unit, and configured to provide the environmental information to the master computing unit and the slave computing unit for controlling the autonomous vehicle.
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8.发明申请公开(公告)号：US20200180659A1
公开(公告)日：2020-06-11
申请号：US16709765
申请日：2019-12-10
Inventor： Ning YU , Chengfa WANG , Fan YANG , Leibing LV , Junping WANG
Abstract: A method, an apparatus, a computer device and a storage medium for autonomous driving determination are proposed. The method includes: obtaining information about a driving scenario of an autonomous vehicle when a preset trigger condition is met; comparing the information about the driving scenario with an autonomous driving capability of the autonomous vehicle; determining, according to a comparison result, whether the autonomous vehicle is adapted to employ an autonomous driving mode in the driving scenario. The technical solution of the present disclosure may be applied to improve the safety of the vehicle and the user.
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9.发明申请公开(公告)号：US20210125353A1
公开(公告)日：2021-04-29
申请号：US16916317
申请日：2020-06-30
Inventor： Xiaoxing ZHU , Yongyi SUN , Chengfa WANG
IPC: G06T7/292 , H04L12/803 , H04N5/247 , H04N7/025 , H04N7/08
Abstract: A method and apparatus for detecting and tracking a target, an electronic device and a storage medium are provided. The method includes: cameras, detection modules, tracking modules and storage queues are provided in advance; the numbers of cameras, storage queues and tracking modules are equal, and there is a one-to-one correspondence between the cameras and the storage queues and between the cameras and the tracking modules; distributing data streams collected by the cameras to the plurality of detection modules; detecting, by the detection modules, the received data streams, and sending detection results of the data streams collected by the cameras, to the storage queues corresponding to the cameras; and extracting, by the tracking modules corresponding to the cameras, the detection results from the storage queues corresponding to the cameras, and using the detection results for tracking the target.
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公开(公告)号：US20210099882A1
公开(公告)日：2021-04-01
申请号：US16917383
申请日：2020-06-30
Inventor： Guohao GONG , Junping WANG , Tiankun ZHAO , Dongchao GAO , Zelin WU , Chengfa WANG , Yongyi SUN
Abstract: A method, apparatus, device, and medium for verifying vehicle information are provided. A specific implementation scheme is: determining a target coding precision and a target coding mode of a target data packet to be transmitted; coding the target data packet based on the target coding precision and the target coding mode, to determine target verification information of the target data packet; and transmitting the target data packet and the target verification information, to instruct a receiving-end vehicle to verify the target data packet based on the target verification information.
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