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:
Jul. 07, 2020
Filed:
Dec. 27, 2017
Automotive Research & Testing Center, Lugang, Changhua County, TW;
AUTOMOTIVE RESEARCH & TESTING CENTER, Changhua County, TW;
Abstract
An image positioning method and an image positioning device for using the same is disclosed. The method finds the position of a vehicle that is driving on a road, and a plurality of signs is arranged on the road. Firstly, an electronic map having a plurality of paths, a plurality reference images, and characteristic positions of the plurality of paths and the plurality reference images is provided. Next, at least two positioning images of the signs closest to the vehicle are sequentially retrieved. The reference image identical to the positioning images are searched on the electronic map and used as characteristic images. When the order of all the characteristic images corresponds to the order of all the positioning images, the position of the vehicle is estimated according to the path corresponding to all the characteristic images and the characteristic positions of all the characteristic images.