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:
Feb. 18, 2020

Filed:

Apr. 13, 2016
Applicant:

Caterpillar Inc., Peoria, IL (US);

Inventors:

Qi Wang, Pittsburgh, PA (US);

Paul Edmund Rybski, Pittsburgh, PA (US);

Assignee:

Caterpillar Inc., Peoria, IL (US);

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G01S 7/497 (2006.01);
U.S. Cl.
CPC ...
G01S 7/4972 (2013.01);
Abstract

A method for calibrating sensors devices mounted on a machine is disclosed. The method includes transforming a first 3D point cloud to generate a transformed first 3D point cloud based on an alignment of the first 3D point cloud with a 3D model of the machine. The first 3D point cloud includes 3D point cloud of one or more features of a terrain around the machine, and the machine. The method further includes aligning a second 3D point cloud with the transformed first 3D point cloud based on the one or more features of the terrain, to determine one or more transformation parameters. Thereafter, one or more calibration parameters for the second sensor device is extracted from the one or more transformation parameters. The second sensor device is calibrated based on the one or more calibration parameters.


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