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:
Dec. 05, 2023

Filed:

Mar. 26, 2020
Applicants:

Baidu.com Times Technology (Beijing) Co., Ltd., Beijing, CN;

Baidu Usa Llc, Sunnyvale, CA (US);

Inventors:

Xiang Liu, Beijing, CN;

Dongchao Gao, Beijing, CN;

Bin Gao, Beijing, CN;

Fan Zhu, Sunnyvale, CA (US);

Assignees:
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G01S 17/931 (2020.01); G01S 17/89 (2020.01); B60W 60/00 (2020.01); G01S 7/48 (2006.01);
U.S. Cl.
CPC ...
G01S 17/931 (2020.01); B60W 60/001 (2020.02); G01S 7/4808 (2013.01); G01S 17/89 (2013.01); B60W 2420/52 (2013.01); B60W 2556/45 (2020.02);
Abstract

A method, apparatus, and system for filtering a point cloud generated by a LIDAR device in an autonomous vehicle is disclosed. A point cloud comprising a plurality of points is generated based on outputs of the LIDAR device. The point cloud is filtered to remove a first set of points in the plurality of points that correspond to noise based on one or more of: point intensity measurements, distances between points, or a combination thereof. Perception data is generated based on the filtered point cloud. Operations of the autonomous vehicle are controlled based on the perception data.


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