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Researchers at Birmingham City University, in the UK, are attempting to address that issue with a new cane design that will help the visually impaired recognize people from up to 32 feet away.



The researchers -- Waheed Rafiq, Steve Adigbo, and Richard Howlett -- are in the process of building the XploR, a "smart" cane that's embedded with a camera, facial recognition software, and GPS.

http://www.youtube.com/watch?v=0v7oLPb39dI

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http://www.cnn.com/2015/06/02/tech/xplor-smart-cane-blind/