Iwalk: a lightweight navigation system for low-vision users

Authors:
Amanda J. Stent;Shiri Azenkot;Ben Stern
Affiliations:
AT&T Labs - Research, Florham Park, NJ, USA;University of Washington, Seattle, WA, USA;AT&T Labs - Research, Florham Park, NJ, USA
Venue:
Proceedings of the 12th international ACM SIGACCESS conference on Computers and accessibility
Year:
2010

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Abstract

Smart phones typically support a range of GPS-enabled navigation services. However, most navigation services on smart phones are of limited use to people with visual disabilities. In this paper, we present iWalk, a speech-enabled local search and navigation prototype for people with low vision. iWalk runs on smart phones. It supports speech input, and provides real-time turn-by-turn walking directions in speech and text, using distances and time-to-turn information in addition to street names so that users are not forced to read street signs. In between turns iWalk uses non-speech cues to indicate to the user that s/he is 'on-track'.