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:
Jan. 24, 2023
Filed:
Oct. 18, 2019
Applicant:
Nippon Telegraph and Telephone Corporation, Tokyo, JP;
Inventors:
Mitsuru Mochizuki, Tokyo, JP;
Kyota Tsutsumida, Tokyo, JP;
Osamu Matsuda, Tokyo, JP;
Hitoshi Seshimo, Tokyo, JP;
Assignee:
NIPPON TELEGRAPH AND TELEPHONE CORPORATION, Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G06T 11/20 (2006.01); G01C 21/20 (2006.01);
U.S. Cl.
CPC ...
G06T 11/203 (2013.01); G01C 21/206 (2013.01);
Abstract
Centerlines for generating network data of an indoor space can be simplified while the amount of calculation is limited. A centerline simplification unitperforms processing of deleting centerlines of passages that are movable regions in an indoor space and processing of correcting centerlines. A determination unitdetermines whether or not the simplification has ended based on the number of centerlines or the number of vertices connecting the centerlines.