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:
Mar. 05, 2024

Filed:

Aug. 31, 2020
Applicant:

Ike Robotics, Inc., San Francisco, CA (US);

Inventors:

Joshua David Goldberg, San Francisco, CA (US);

Jur Van Den Berg, San Francisco, CA (US);

Assignee:

NURO, INC., Mountain View, CA (US);

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G01C 3/08 (2006.01); B60R 11/00 (2006.01); G01S 7/481 (2006.01); G01S 7/484 (2006.01); G01S 7/497 (2006.01); G01S 17/42 (2006.01); G01S 17/931 (2020.01);
U.S. Cl.
CPC ...
G01S 7/497 (2013.01); B60R 11/00 (2013.01); G01S 7/4811 (2013.01); G01S 7/4817 (2013.01); G01S 7/484 (2013.01); G01S 17/42 (2013.01); G01S 17/931 (2020.01);
Abstract

A method and a system of calibration of a first lidar device and a second lidar device are described. A subset of pairs of positions of a vehicle as the vehicle moves along a path according to a predetermined path pattern are determined. Each pair from the subset of pairs includes a first position and a second position of the vehicle. A first field of view of the first lidar device when the vehicle is located at the first position overlaps with a second field of view of the second lidar device when the vehicle is located at the second position at a second time. Based on the subset of pairs, an extrinsic calibration transformation that transforms a position of the second lidar device into a calibrated position that allows to obtain a consistent view of the world between the first and the second lidar devices is determined.


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