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Open AccessFeature PaperReview

Insight on Electronic Travel Aids for Visually Impaired People: A Review on the Electromagnetic Technology

Department of Engineering, University of Messina, Messina 98166, Italy
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Electronics 2019, 8(11), 1281; https://doi.org/10.3390/electronics8111281
Received: 15 October 2019 / Revised: 25 October 2019 / Accepted: 28 October 2019 / Published: 4 November 2019
(This article belongs to the Special Issue Design and Application of Biomedical Circuits and Systems)
This review deals with a comprehensive description of the available electromagnetic travel aids for visually impaired and blind people. This challenging task is considered as an outstanding research area due to the rapid growth in the number of people with visual impairments. For decades, different technologies have been employed for solving the crucial challenge of improving the mobility of visually impaired people, but a suitable solution has not yet been developed. Focusing this contribution on the electromagnetic technology, the state-of-the-art of available solutions is demonstrated. Electronic travel aids based on electromagnetic technology have been identified as an emerging technology due to their high level of achievable performance in terms of accuracy, flexibility, lightness, and cost-effectiveness. View Full-Text
Keywords: electronic travel aids; radar; electromagnetic; visual impairment; blind people; microwaves; mobility; antennas electronic travel aids; radar; electromagnetic; visual impairment; blind people; microwaves; mobility; antennas
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Cardillo, E.; Caddemi, A. Insight on Electronic Travel Aids for Visually Impaired People: A Review on the Electromagnetic Technology. Electronics 2019, 8, 1281.

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