The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.

The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.

Date of Patent:
Dec. 31, 2024

Filed:

Jan. 14, 2022
Applicant:

Here Global B.v., Eindhoven, NL;

Inventors:

Liming Wang, Chicago, IL (US);

Qin Chen, Chicago, IL (US);

Assignee:

HERE Global B.V., Eindhoven, NL;

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G01C 21/26 (2006.01); G01B 11/24 (2006.01); G01C 21/00 (2006.01); G01C 21/32 (2006.01);
U.S. Cl.
CPC ...
G01C 21/32 (2013.01); G01B 11/24 (2013.01); G01C 21/265 (2013.01); G01C 21/3819 (2020.08); G01C 21/3841 (2020.08);
Abstract

Systems and methods for the detection and analysis of curvature data are described. A method includes: receiving position data of a vehicle turning maneuver along a portion of a roadway, where the position data includes measured position data collected by sensors of a vehicle while traversing the vehicle turning maneuver; associating the received position data with map data of the portion of the roadway; generating a spline based on the position data, the spline being a smooth curve representing the vehicle turning maneuver from a first road segment to a second road segment; identifying a segment of the spline containing a turning point of the vehicle turning maneuver, the turning point representing a change of a vehicle path from along the first road segment to along the second road segment; and determining a maximum curvature value for the identified segment of the spline.


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