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. Author manuscript; available in PMC: 2016 Mar 4.
Published in final edited form as: Comput Help People Spec Needs. 2010 Jul;6180:229–234. doi: 10.1007/978-3-642-14100-3_34

Fig. 1.

Fig. 1

Overview of proposed Crosswatch system. Left to right: (a) Blind pedestrian holding mobile phone. (b) Image of crosswalk taken from across the street. (c) Zoomed-up area of (b) shows Walk light visible at the end of the crosswalk. Proposed system is programmed to generate audio alert when Walk light is detected.