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Mar 15, 2007

Augmented reality on cell phones

From Technology Review

Nokia wants to superimpose digital information on the real world using a smart cell phone.

A prototype uses a GPS sensor, a compass, and accelerometers. Using data from these sensors, the phone can calculate the location of just about any object its camera is aimed at:

 

Last October, a team led by Markus Kähäri unveiled a proto­type of the system at the International Symposium on Mixed and Augmented Reality. The team added a GPS sensor, a compass, and accelerometers to a Nokia smart phone. Using data from these sensors, the phone can calculate the location of just about any object its camera is aimed at. Each time the phone changes location, it retrieves the names and geographical coördinates of nearby landmarks from an external database. The user can then download additional information about a chosen location from the Web--say, the names of businesses in the Empire State Building, the cost of visiting the building's observatories, or hours and menus for its five eateries.



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