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公开(公告)号：US20240191999A1
公开(公告)日：2024-06-13
申请号：US18077049
申请日：2022-12-07
Applicant: HERE Global B.V.
Inventor： Jingwei XU , Yuxin GUAN , Leon STENNETH , Bruce BERNHARDT , Advait Mohan RAUT , Weimin HUANG
CPC classification number: G01C21/3415 , G01C21/343 , G01C21/3667 , G01C21/3691
Abstract: A system, a method, and a computer program product may be provided for generating navigation instructions. The system may include a memory configured to store computer executable instructions and a processor configured to execute the computer executable instructions to retrieve sensor data associated with at least one vehicle travelling along a route having at least one intersection and map data associated with the route from a map database. The sensor data indicates intersection information relating to the at least one intersection. The intersection information comprises an intersection category and an intersection type. The map data comprises traffic-related information for a plurality of intersection connected links. The processor may be further configured to determine a turn cost correction factor for the at least one intersection, based on the sensor data and the map data. The processor may be further configured to store the turn cost correction factor within the map database.
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公开(公告)号：US20240183682A1
公开(公告)日：2024-06-06
申请号：US18075925
申请日：2022-12-06
Applicant: HERE Global B.V.
Inventor： Leon STENNETH , Bruce BERNHARDT , Advait Mohan RAUT , Jingwei XU , Weimin HUANG , Yuxin GUAN
CPC classification number: G01C21/3815 , G01C21/32 , G01C21/3837 , G06N20/00
Abstract: The disclosure provides a system, a method, and a computer program product for updating map data. The system, for example, obtains sensor data from one or more user equipment. The sensor data is associated with a road object. Further, the system, determines a first location of a road observation sight and a second location of the road object based on a timestamp associated with the first location. Further, a distance associated with the second location of the road object and a center point of a link, is calculated. The link is a map matched link associated with the second location. Further, the system updates the map data based on the calculated distance.
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公开(公告)号：US20210271997A1
公开(公告)日：2021-09-02
申请号：US16806673
申请日：2020-03-02
Applicant: HERE Global B.V.
Inventor： Advait Mohan RAUT , Leon STENNETH , Olivier DOUSSE
Abstract: A system, a method, and computer program product are provided for generating placement data of a road sign are provided. The method comprises obtaining a set of road sign observations that comprise sign placement label data and a first lateral offset value of each road sign observation of the set of road sign observations, determining, using a probabilistic model, a lateral threshold value based on distribution of the sign placement label data and the first lateral offset value of each road sign observation, and obtaining a second lateral offset value of the road sign. The method further comprises generating the placement data of the road sign based on the lateral threshold value and the second lateral offset value of the road sign.
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公开(公告)号：US20210172744A1
公开(公告)日：2021-06-10
申请号：US16706263
申请日：2019-12-06
Applicant: HERE Global B.V.
Inventor： Advait Mohan RAUT , Leon STENNETH , Bruce BERNHARDT
Abstract: A system, a method, and a computer program product for determining a sign type of a road sign are disclosed herein. The system comprises a memory configured to store computer-executable instructions and one or more processors configured to execute the instructions to obtain sensor data associated with the road sign, wherein the sensor data comprises data associated with counts of road sign observations, determine one or more features associated with the road sign, based on the obtained sensor data, and determine the sign type of the road sign, based on the one or more features.
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