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Summary: 32 July/August2008 PublishedbytheIEEEComputerSociety 0272-1716/08/$25.00©2008IEEE
MobileGraphics
Positioning and Orientation
in Indoor Environments Using
Camera Phones
Harlan Hile and Gaetano Borriello University of Washington
As people walk through a building, they
want help navigating to the right room or
accessing directory information related to
their current location. Both tasks would benefit
from an environment that could directly provide
personalized information. Current approaches to
this problem use location sys-
tems to help the user index into
the information. However, the
retrieved information needs to
be put in context. We've devel-
oped a system that uses a camera
phone to provide a contextual
framework. In our system, the
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