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1.发明申请公开(公告)号：US20210166421A1
公开(公告)日：2021-06-03
申请号：US17078747
申请日：2020-10-23
Inventor： Peng SUN , Changjie MA , Chao ZHENG , Yuefeng SUN
Abstract: The present disclosure provides a method, an electronic device and a storage medium for detecting a position change of a lane line. The method includes: converting a first change in a target region of first measurement data of a distance between a lane line and a reference line to a first equivalent position change, the first measurement data being obtained from first road data collected by a high-precision device on the road; correcting second measurement data of the distance with the first measurement data, the second measurement data being obtained from second road data collected by a low-precision device on the road; converting a second change of the corrected second measurement data to a second equivalent position change; and detecting a position change of the lane line in the target region based on a comparison of the first equivalent position change and the second equivalent position change.
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公开(公告)号：US20210164797A1
公开(公告)日：2021-06-03
申请号：US17077419
申请日：2020-10-22
Inventor： Peng SUN , Changjie MA , Fangwei WANG , Yongle ZHANG
Abstract: A method, for detecting a position change of a lane marker, includes: determining, based on a first measurement data of a distance between the lane marker and a reference marker on a road that is obtained from a first road data collected via a high-precision device at a first time point, a first set of changed regions between the lane marker and the reference marker in which the distance has changed; determining a second set of changed regions between the lane marker and the reference marker in which the distance has changed based on a second measurement data of the distance that is obtained from a second road data collected via a low-precision device at a second time point after the first time point; and detecting the position change of the lane marker between the first time point and the second time point.
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公开(公告)号：US20210148711A1
公开(公告)日：2021-05-20
申请号：US17078724
申请日：2020-10-23
Inventor： Peng SUN , Changjie MA , Dangen SHE , Shuquan ZOU
Abstract: Example embodiments of the present disclosure provide a map updating method and apparatus, a device and a computer-readable storage medium, which may be applied to a field of autonomous driving. The map updating method includes determining that there is an interruption on a road edge of a road on a map, the road edge representing a boundary of a part of the road available for vehicles. The method further includes determining, based on the map, a reference distance between an existing part of the road edge and a division line, the existing part being within a predetermined distance from the interruption, and the division line representing a division between different traveling directions of the road. The method further includes generating a supplementary part for the interruption on the map based on the reference distance and the division line.
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