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:
Mar. 11, 2025
Filed:
Dec. 09, 2019
Nec Corporation, Tokyo, JP;
Natsuki Kai, Tokyo, JP;
NEC CORPORATION, Tokyo, JP;
Abstract
A self-position estimation apparatus comprises a camera part; an environmental data storage part that stores information that changes according to the position of a mobile object on a travel route in association with the position information thereof; a first estimation part that estimates the position of mobile object from sensor data containing information that changes according to the position of mobile object and the information in the environmental data storage part; a second estimation part that estimates the self-position of mobile object from a known object included in an image inputted from the camera part; a weighting determination part that determines weighting to the position estimation results by the first estimation part and the second estimation part; and a self-position calculation part that calculates a self-position by linearly combining the self-positions estimated by the first estimation part and the second estimation part using the result from the weighting determination part.