US 11,656,088 B2
Method and apparatus for estimating a location of a vehicle
Jingwei Xu, Buffalo Grove, IL (US); Bruce Bernhardt, Wauconda, IL (US); Yuxin Guan, Eindhoven (NL); and Arnold Sheynman, Northbrook, IL (US)
Assigned to HERE GLOBAL B.V., Eindhoven (NL)
Filed by HERE GLOBAL B.V., Eindhoven (NL)
Filed on Jul. 21, 2021, as Appl. No. 17/381,982.
Application 17/381,982 is a continuation of application No. 16/689,777, filed on Nov. 20, 2019, granted, now 11,125,575.
Prior Publication US 2023/0120757 A1, Apr. 20, 2023
Int. Cl. G01C 21/36 (2006.01); G06T 7/33 (2017.01); G06V 20/58 (2022.01); G06V 20/56 (2022.01); G01S 17/89 (2020.01); G08G 1/0967 (2006.01)
CPC G01C 21/3602 (2013.01) [G01C 21/3667 (2013.01); G01S 17/89 (2013.01); G06T 7/337 (2017.01); G06V 20/582 (2022.01); G06V 20/588 (2022.01); G08G 1/096716 (2013.01); G06T 2207/30256 (2013.01)] 20 Claims
OG exemplary drawing
 
1. A method for estimating a location of a vehicle, the method comprising:
receiving one or more images from one or more image capture devices onboard the vehicle;
based at least in part upon one or more images obtained by one or more image capture devices onboard the vehicle and by utilizing a pretrained machine learning model, determining respective distances between the vehicle and each of two or more road signs depicted by the one or more images, wherein determining respective distances between the vehicle and each of the two or more road signs comprises identifying each of the two or more road signs depicted by the one or more images based upon information regarding the two or more road signs provided by a road sign database, wherein the information regarding the two or more road signs comprises location information defining respective locations of the two or more road signs relative to a determined road segment; and
estimating the location of the vehicle based upon the respective distances between the vehicle and each of the two or more road signs depicted by the one or more images.