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Smartphone-Based System Improves Safety and Mobility for Visually Impaired Pedestrians
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2014-09-01
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Series: UTC Spotlight Newsletter
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Abstract:Senior systems engineer Chen-Fu Liao led the development of an intersection-crossing system, which was subsequently expanded to help visually impaired pedestrians navigate through work zones. As part of their work, the researchers interviewed individuals with vision impairment to better understand what types of information they use at intersection crossings and what additional information would be most helpful to them. To maximize the system's effectiveness, the researchers wanted to be sure that it would build on— but not replace—the orientation and mobility skills that these pedestrians have already learned. "Engineers can design great, fancy stuff, but if nobody wants to use it, it's not useful at all," Liao says.
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