Patent · US Active

Image-aided positioning and navigation system

US8509488B1 · kind B1 · utility

34Cited by
4References
28Claims
0Family size

Assignee

Inventors

Key dates

Filing dateFeb 24, 2010
Grant dateAug 13, 2013
Priority date—
Expiry dateApr 9, 2032

Classification

  • Technology area (CPC G)Physics
  • CPC primaryG01C21/3623
  • WIPO fieldMeasurement
  • WIPO sectorInstruments

Abstract

Satellite-based navigation techniques can help determine a user's position on a map and can also determine directions to a destination. Functionality can be implemented to determine the user's orientation and direction of motion based on a captured image taken in the direction of motion. The captured image may be preprocessed to compensate for a camera angle and to vary image properties before being transmitted to a server. The user's orientation may be determined based, at least in part, on knowledge of a user's position on a map and comparing the captured image to a set of other images. Walking directions can accordingly be tailored based on the user's orientation.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.