TR+Apr+2007+-+Augmented+Reality - T E LE C O M Augmented...

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54 TR10 TECHNOLOGY REVIEW march/april 2007 FINDING YOUR WAY around a new city can be exasperating: juggling maps and guidebooks, trying to f gure out where you are on roads with no street signs, talking with locals who give directions by re±erring to un±amiliar landmarks. I± you’re driving, a car with a GPS naviga- tion system can make things easier, but it still won’t help you decide, say, which restaurant suits both your palate and your budget. Engineers at the Nokia Research Center in Helsinki, Finland , hope that a project called Mobile Aug- mented Reality Applications will help you get where you’re going—and decide what to do once you’re there. Last October, a team led by Markus Kähäri unveiled a proto type o± the sys- tem 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 ±rom these sensors, the phone can calculate the location o± just about any object its camera is aimed at. Each time the phone changes location, it retrieves the names and geographical coördinates o± nearby landmarks ±rom an external database. The user can then download additional in±ormation about a chosen location ±rom the Web—say, the names o± businesses in the Empire State Building, the cost o± visiting the building’s observatories, or hours and menus ±or its f ve eateries. The Nokia project builds on more than a decade o± academic research into mobile augmented reality. Steven thetic material also has a long shelf life, which could make it particularly useful in F rst-aid kits. The material’s F rst application will probably come in the operating room. Not only would it stop the bleeding caused by surgical incisions, but it could also form a protective layer over wounds. And since the new material is transparent, surgeons should be able to apply a layer of it and then operate through it. “When you perform sur- gery, you are constantly suctioning and cleaning the site to be able to see it,” says Ram Chuttani, a gastroenterolo- gist and professor at Harvard Medi- cal School. “But if you can seal it, you can continue to perform the surgery with much clearer vision.” The hope is that surgeons will be able to oper- ate faster, thus reducing complications.
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TR+Apr+2007+-+Augmented+Reality - T E LE C O M Augmented...

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