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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.

Patent No.:

US 12511924 B1

PDFFull Text
Date of Patent:
Dec. 30, 2025

Filed:

Oct. 06, 2023

Automated labeling of traffic control features

Applicant:

GM Cruise Holdings Llc, San Francisco, CA (US);

Inventors:

Chia-Wei Lin, Foster City, CA (US);

Juan Fasola, San Francisco, CA (US);

Shreyans Kushwaha, Sunnyvale, CA (US);

Jabeer Ahmed, Bloomfield, NJ (US);

Assignee:

GM CRUISE HOLDINGS LLC, San Francisco, CA (US);

Attorney:

CANTOR COLBURN LLP

Primary Examiner:

Abhishek Sarma

Int. Cl.
CPC ...
G06V 20/70 (2022.01); B60W 60/00 (2020.01); G01C 21/00 (2006.01); G06T 7/73 (2017.01); G06V 10/80 (2022.01); G06V 20/56 (2022.01); G06V 20/58 (2022.01); G08G 1/01 (2006.01);
U.S. Cl.
CPC ...
G06V 20/70 (2022.01); G01C 21/3815 (2020.08); G06T 7/74 (2017.01); G06V 10/803 (2022.01); G06V 20/582 (2022.01); G06V 20/584 (2022.01); G06V 20/588 (2022.01); G08G 1/01 (2013.01); B60W 60/001 (2020.02); B60W 2420/403 (2013.01); B60W 2420/408 (2024.01); B60W 2555/60 (2020.02); G06T 2207/10028 (2013.01); G06T 2207/30252 (2013.01);
Abstract

Sensor data obtained from vehicles driving through a particular environment (e.g., a particular city or region being mapped) is used to identify and label traffic control features. Location, speed, and/or acceleration of mapping vehicles can be used to identify intersections that may have traffic control features. Environmental data, such as image data captured by one or more cameras, and point cloud data collected by lidar and/or radar sensors, is used to automatically detect traffic control features at the intersections.

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