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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 11651553 B1

PDFFull Text
Date of Patent:
May. 16, 2023

Filed:

Sep. 24, 2021

Methods and systems for constructing map data using poisson surface reconstruction

Applicant:

Argo Ai, Llc, Pittsburgh, PA (US);

Inventors:

Xiaoyan Hu, Redmond, WA (US);

Michael Happold, Pittsburgh, PA (US);

Joshua Max Manela, West Bloomfield, MI (US);

Guy Hotson, Mountain View, CA (US);

Assignee:

argo ai, llc, Pittsburgh, PA (US);

Attorney:

Fox Rothschild, LLP

Primary Examiner:

Gordon G Liu

Int. Cl.
CPC ...
G06T 15/00 (2011.01); G06T 17/05 (2011.01); G06T 17/20 (2006.01); G06T 5/00 (2006.01); G05D 1/00 (2006.01); G01S 13/89 (2006.01); G05D 1/02 (2020.01); G01S 17/89 (2020.01); B60W 60/00 (2020.01);
U.S. Cl.
CPC ...
G06T 17/05 (2013.01); G01S 13/89 (2013.01); G01S 17/89 (2013.01); G05D 1/0088 (2013.01); G05D 1/0214 (2013.01); G06T 5/005 (2013.01); G06T 17/20 (2013.01); B60W 60/001 (2020.02); G05D 2201/0213 (2013.01); G06T 2210/56 (2013.01);
Abstract

A method and a system for generating a mesh representation of a surface. The method includes receiving a three-dimensional (3D) point cloud representing the surface, generating a reconstruction dataset having a higher resolution than the 3D point cloud in one or more regions corresponding to the surface from the 3D point cloud, and generate a polygon mesh representation of the surface by using a fine-to-coarse hash map for building polygons at a highest resolution first followed by progressively coarser resolution polygons, using the reconstruction dataset.

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