Article

PERCEPT Navigation for Visually Impaired in Large Transportation Hubs

In this paper we introduce PERCEPT indoor navigation system deployed in North Station subway in Boston and the successful experimental results with Blind and Visually Impaired (BVI) users. This is the first time PERCEPT system is deployed in a large venue such as North station which is a crowded open space multimodal transportation hub. Using Bluetooth low energy tags we can localize the BVI users in real time. Given the user location, PERCEPT provides the BVI user with detailed landmark based navigation instructions to the chosen destination. Our experiments show that using PERCEPT system, the users can successfully and independently reach their chosen destination. All participants were very satisfied with PERCEPT and thought it was easy to learn and had a friendly user interface.

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