International Business Machines Corporation
Location determination without access to a network

Abstract:

Methods, systems, and devices for determining a person's location and for presenting navigation instructions are provided. In an embodiment, a method for determining a user's location includes obtaining an image of a graphical indicator at a first location. The graphical indicator is located on a surface of an object in an area and the graphical indicator includes mapping and location information encoded in the graphical indicator. The method also includes determining a map and a user's location on the map according to the graphical indicator.