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.:
Date of Patent:
Sep. 02, 2025
Filed:
Mar. 03, 2023
Applicant:
Telenav, Inc., Santa Clara, CA (US);
Inventors:
Mengchao Mu, Shanghai, CN;
Congmin Bai, Shanghai, CN;
Assignee:
Telenav, Inc., Santa Clara, CA (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G06T 7/80 (2017.01); G01C 21/30 (2006.01); G06T 7/70 (2017.01); H04N 17/00 (2006.01); H04N 23/90 (2023.01);
U.S. Cl.
CPC ...
G01C 21/30 (2013.01); G06T 7/80 (2017.01); H04N 17/002 (2013.01); H04N 23/90 (2023.01); G06T 2207/20212 (2013.01); G06T 2207/30168 (2013.01); G06T 2207/30256 (2013.01);
Abstract
A navigation system includes: a control circuit configured to: a control circuit configured to: capture a sensor data stream provided by optical sensors, extract lane lines from the sensor data stream, optimize an extrinsic parameter and an intrinsic parameter based on the extract of the lane lines, and compile optimized parameters including the extrinsic parameter and the intrinsic parameter; and a communication circuit, coupled to the control circuit, configured to receive an optical sensor alert for displaying on a device.