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Patent Agency Ranking
公开(公告)号：US20230056784A1
公开(公告)日：2023-02-23
申请号：US17889091
申请日：2022-08-16
Inventor： Xiao ZHANG , Fangfang DONG , Guowei WAN
Abstract: The disclosure provides a method for detecting an obstacle, an electronic device, and a storage medium, relates to the field of artificial intelligence, and in particular, to the field of automatic driving. A specific implementation solution includes: acquiring point cloud data collected by a lidar sensor during detection of an obstacle; converting the point cloud data into an obstacle feature map, where the obstacle feature map includes a to-be-detected image feature, and the to-be-detected image feature includes an obstacle feature; performing feature extraction on the to-be-detected image feature in the obstacle feature map to obtain the obstacle feature, increasing a weight value in the obstacle feature map of the obstacle feature during the feature extraction, and monitoring the feature extraction based on monitoring data generated by point cloud distribution data corresponding to the point cloud data; and determining a target obstacle according to the obstacle feature.
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公开(公告)号：US20230100734A1
公开(公告)日：2023-03-30
申请号：US17950799
申请日：2022-09-22
Inventor： Xiangyu FU , Guowei WAN , Yao ZHOU , Liang PENG
Abstract: Exemplary positioning method and apparatus, a device, a system, a medium and a self-driving vehicle are provided. The positioning method includes determining, according to the current frame of point cloud data collected by a to-be-positioned terminal in a travelling environment, the current key point in the current frame of point cloud data and a point cloud distribution feature of the current key point; selecting, according to point cloud distribution features associated with reference key points in a global positioning map and the point cloud distribution feature of the current key point, a target key point matching the current key point from the reference key points; and determining, according to reference pose data associated with the target key point, the current pose data of the to-be-positioned terminal.
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公开(公告)号：US20230060005A1
公开(公告)日：2023-02-23
申请号：US17746936
申请日：2022-05-17
Inventor： Jianan JIANG , Xu LIU , Jinyun ZHOU , Fangfang DONG , Guowei WAN
IPC: B60W30/095 , B60W60/00 , B60W40/04 , B60W50/00 , G06N3/08
Abstract: The present disclosure provides a method and device for predicting a motion track of an obstacle and an autonomous vehicle, and relates to the technical field of autonomous driving, so as to at least solve the technical problem of low prediction precision of a motion track of an obstacle in an interaction scene. A specific implementation solution includes: environment information in a target scene, historical state information of a target obstacle and track planning information of a target vehicle are obtained, and the target obstacle is a potential interaction object of the target vehicle; and a motion track of the target obstacle is predicted based on the environment information, the historical state information and the track planning information.
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公开(公告)号：US20220229193A1
公开(公告)日：2022-07-21
申请号：US17711339
申请日：2022-04-01
Inventor： Shenhua HOU , Yuzhe HE , Liang PENG , Guowei WAN
Abstract: The present disclosure provides a vehicle positioning method, an apparatus and an autonomous driving vehicle, relating to autonomous driving in the technical field of artificial intelligence, which can be applied to high-definition positioning of the autonomous driving vehicle, the method including: if there is no high-definition map in a vehicle, acquiring intermediate pose information of the vehicle based on a global navigation satellite system and/or an inertial measurement unit in the vehicle, and determining the intermediate pose information as global positioning information; acquiring local positioning information; performing fusion processing to the global pose information and the local pose information to obtain fused pose information; performing compensation processing to the fused pose information according to the global attitude angle information and the local attitude angle information to obtain a position of the vehicle.
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公开(公告)号：US20240221215A1
公开(公告)日：2024-07-04
申请号：US18605423
申请日：2024-03-14
Inventor： Yuzhe HE , Shuang LIANG , Xiaofei RUI , Chengying CAI , Guowei WAN , Ye ZHANG
CPC classification number: G06T7/75 , G06V10/7715 , G06V10/80 , G06T2207/10028 , G06T2207/20221
Abstract: A method is provided that includes: obtaining an initial pose of a vehicle, a multi-modal sensor data of the vehicle, and a plurality of map elements for positioning the vehicle; encoding the multi-modal sensor data to obtain an environmental feature; encoding the plurality of map elements to obtain a map feature; determining, based on the environmental feature and the map feature, a target pose offset for correcting the initial pose; and superimposing the initial pose and the target pose offset to obtain a corrected pose of the vehicle.
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