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:
Dec. 30, 2025
Filed:
Nov. 18, 2020
Nec Corporation, Tokyo, JP;
Takahiro Shiroshima, Tokyo, JP;
NEC CORPORATION, Tokyo, JP;
Abstract
An object is to provide a map generation apparatus for improving the quality of an environment map created using virtual images. A map generation apparatus () according to the present disclosure includes: a map generation unit () configured to generate a three-dimensional map showing an environment around a photographing device by identifying shooting locations of a plurality of still images shot by the photographing device and restoring three-dimensional positions of feature points marked in each image of the plurality of the still images; a generation unit () configured to generate a virtual image when the three-dimensional positions of each of the feature points on the three-dimensional map corresponding to the feature points in the still images are shot from a virtual viewpoint; and an update unit () configured to update the three-dimensional map with reference to the virtual feature points in the virtual image.