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:
Sep. 19, 2023

Filed:

Apr. 08, 2020
Applicants:

Nissan Motor Co., Ltd., Yokohama, JP;

Renault S.a.s., Boulogne-Billancourt, FR;

Inventors:

Akinobu Ikeda, Kanagawa, JP;

Susumu Fujita, Kanagawa, JP;

Reo Sakakura, Kanagawa, JP;

Assignees:

Nissan Motor Co., Ltd., Yokohama, JP;

Renault S.A.S., Boulogne-Billancourt, FR;

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G01C 21/00 (2006.01); G01C 21/32 (2006.01); G01C 21/36 (2006.01);
U.S. Cl.
CPC ...
G01C 21/3815 (2020.08); G01C 21/32 (2013.01); G01C 21/3658 (2013.01); G01C 21/3837 (2020.08);
Abstract

A map information correction method for correcting map information includes information of a lane boundary line, the method further including: detecting a position with respect to an own vehicle of a lane boundary line set in place on a road surface around the own vehicle; estimating an own position on a map of the own vehicle; and correcting, depending on the estimated own position and the detected position of the lane boundary line, a position of the lane boundary line included in the map information by, in a first region comparatively close to the own vehicle, a larger rotational correction amount than in a second region comparatively far from the own vehicle and, in the second region, a larger translational correction amount than in the first region.


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