A portable mid-range localization system using infrared LEDs for visually impaired people

Wireless infrared communications

Joseph M. Kahn, John R. Barry · Proceedings of the IEEE · 1997 · 3.3K citations

Engineering, Communication, Electrical Engineering +17

Drishti: an integrated navigation system for visually impaired and disabled

Sally Moore, Balaji Ramachandran · 2002 · 287 citations

Medicine, Geoinformatics, Assistive Technology +16

An Indoor Navigation System for the Visually Impaired

Luis A. Guerrero, Francisco Vasquez, Sergio F. Ochoa · Sensors · 2012 · 150 citations · Full text

Medicine, Robotics Engineering, Assistive Technology +16

A geographical information system for a GPS based personal guidance system

Reginald G. Golledge, Roberta L. Klatzky, Jack M. Loomis et al. · International Journal of Geographical Information Systems · 1998 · 146 citations

Computing, Geography, Geoinformatics +17

Beep: 3D indoor positioning using audible sound

2005 · 144 citations

Engineering, Robotics Engineering, Mobile Computing +12