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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 11783456 B1

PDFFull Text
Date of Patent:
Oct. 10, 2023

Filed:

Nov. 21, 2022

Techniques for using a series cascaded filter to determine range and/or velocity information

Applicant:

Aeva, Inc., Mountain View, CA (US);

Inventors:

Krishna Toshniwal, Mountain View, CA (US);

Bruno Hexsel, Mountain View, CA (US);

Kumar Bhargav Viswanatha, Santa Clara, CA (US);

Jose Krause Perin, Mountain View, CA (US);

Assignee:

Aeva, Inc., Mountain View, CA (US);

Attorney:

Womble Bond Dickinson (US) LLP

Primary Examiner:

Gregory M Desire

Int. Cl.
CPC ...
G06T 5/00 (2006.01); G06T 5/50 (2006.01); G01S 17/58 (2006.01); G01S 17/89 (2020.01); G01S 7/493 (2006.01); G01S 17/32 (2020.01); G01S 7/4912 (2020.01); G06V 10/30 (2022.01); G06V 20/64 (2022.01); G06V 10/44 (2022.01); G06V 10/46 (2022.01);
U.S. Cl.
CPC ...
G06T 5/002 (2013.01); G01S 7/493 (2013.01); G01S 7/4912 (2013.01); G01S 17/32 (2013.01); G01S 17/58 (2013.01); G01S 17/89 (2013.01); G06T 5/50 (2013.01); G06V 10/30 (2022.01); G06V 10/443 (2022.01); G06V 10/462 (2022.01); G06V 20/64 (2022.01);
Abstract

Techniques for cascade filtering of a set of points of interest (POIs) in a light detection and ranging (LiDAR) system is described. The method includes performing a series of cascaded filtering of a set of points of interest (POIs) on a first point cloud. The method includes calculating, for each POI of the set of POIs, at least a first metric for a first set of neighborhood points to make a decision with respect to a subset of the set of POIs for transmission to a second point cloud. The method also includes extracting at least one of range or velocity information based on the second point cloud based on the decision.

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