Preprint Article Version 2 Preserved in Portico This version is not peer-reviewed

Indoor Navigation Systems for Blind People

Version 1 : Received: 6 March 2018 / Approved: 8 March 2018 / Online: 8 March 2018 (02:52:02 CET)
Version 2 : Received: 26 December 2018 / Approved: 27 December 2018 / Online: 27 December 2018 (11:37:53 CET)

How to cite: Hojjat, A. Indoor Navigation Systems for Blind People. Preprints 2018, 2018030058. Hojjat, A. Indoor Navigation Systems for Blind People. Preprints 2018, 2018030058.


Indoor navigation systems must deal with absence of GPS signals, since they are only available in outdoor environments. Therefore, indoor systems have to rely upon other techniques for positioning users. Recently various indoor navigation systems have been designed and developed to help visually impaired people. In this paper an overview of some existing indoor navigation systems for visually impaired people are presented and they are compared from different perspectives. The evaluated techniques are ultrasonic systems, RFID-based solutions, computer vision aided navigation systems, ans smartphone-based applications.


indoor navigation; wayfinding; visually impaired navigation; sensor fusion


Computer Science and Mathematics, Information Systems

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