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.:
Date of Patent:
Jun. 16, 2026
Filed:
Nov. 15, 2022
Microsoft Technology Licensing, Llc, Redmond, WA (US);
Johannes Lutz Schönberger, Zurich, CH;
Rui Wang, Zurich, CH;
Prune Solange Garance Truong, Zurich, CH;
Marc André Léon Pollefeys, Zurich, CH;
Microsoft Technology Licensing, LLC., Redmond, WA (US);
Abstract
Determining a location of an entity comprises: receiving a query comprising a 2D image depicting an environment of the entity; searching for a match between the query and a 3D map of the environment. The 3D map comprising a 3D point cloud, the match indicating the location of the entity in the environment. Searching for the match comprises: extracting descriptors from the 2D image referred to as image descriptors; extracting descriptors from the 3D point cloud referred to as point cloud descriptors; correlating the image descriptors with the point cloud descriptors to produce correspondences, wherein a correspondence is an image descriptor corresponding to a point cloud descriptor; estimating, using the correspondences, the location of the entity.
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