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. 19, 2023

Filed:

Sep. 10, 2020
Applicant:

Topcon Positioning Systems, Inc., Livermore, CA (US);

Inventors:
Assignee:

Topcon Positioning Systems, Inc., Livermore, CA (US);

Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G01C 21/36 (2006.01); G01C 21/34 (2006.01); B60W 30/18 (2012.01); G06V 20/56 (2022.01); G06F 18/213 (2023.01);
U.S. Cl.
CPC ...
G01C 21/3644 (2013.01); B60W 30/18 (2013.01); G01C 21/3476 (2013.01); G06F 18/213 (2023.01); G06V 20/56 (2022.01); B60W 2420/42 (2013.01); B60W 2420/52 (2013.01); B60W 2554/4041 (2020.02);
Abstract

The present disclosure describes a method and an apparatus for determining a corrected position of a vehicle based on a stable landmark. The method includes determining a last known position vector of the vehicle; capturing an image within a vicinity of a vehicle using an imaging device; identifying a stable landmark within the captured image based on a previously constructed reference map of the vicinity of the vehicle; determining a correction for a position of the vehicle based on the determined last known position vector of the vehicle and the identified stable landmark; and determining an updated position of the vehicle based on the determined correction.


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