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.

Date of Patent:
May. 05, 2020

Filed:

May. 24, 2019
Applicant:

Osense Technology Co., Ltd., Taipei, TW;

Inventors:

Hung-Ya Tsai, Taipei, TW;

You-Kwang Wang, Taipei, TW;

Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G01S 5/02 (2010.01); G01C 21/20 (2006.01); H04W 64/00 (2009.01); G01C 21/16 (2006.01); G06T 7/70 (2017.01); G01C 21/08 (2006.01);
U.S. Cl.
CPC ...
H04W 64/003 (2013.01); G01C 21/08 (2013.01); G01C 21/165 (2013.01); G01C 21/206 (2013.01); G06T 7/70 (2017.01); G06T 2207/30244 (2013.01);
Abstract

Provided are an indoor positioning system and method based on geomagnetic signals in combination with computer vision, including: a computer vision positioning module for acquiring a spatial image of a surrounding environment to create computer vision coordinates; a geomagnetic signal positioning module for detecting trajectories of the geomagnetic signals for creating geomagnetic signal coordinates; a map generating module including a database for storing the created computer vision coordinates and the created geomagnetic signal coordinates, and an inertial measurement unit for detecting a current position and a traveling trajectory, to generate a computer vision map and a geomagnetic data map; and a weighting module for calculating a computer vision weight and a geomagnetic signal weight based on the created computer vision coordinates and the created geomagnetic signal coordinates, and inputting the computer vision weight and the geomagnetic signal weight in a weight equation to estimate a present location.


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