期刊
COMPUTERS & ELECTRICAL ENGINEERING
卷 54, 期 -, 页码 26-39出版社
PERGAMON-ELSEVIER SCIENCE LTD
DOI: 10.1016/j.compeleceng.2016.07.015
关键词
Visually impaired; Assistive technology; Wearable computing; Head-mounted display; Indoor navigation; Smartphone; Localization; Movement detection; Qr code; Accessibility
类别
资金
- Research Center of the Female Scientific and Medical Colleges, Deanship of Scientific Research, King Saud University
The number of people experiencing vision loss has been increasing rapidly, leading to great interest in assistive technologies research. Together with the emergence of wearable devices equipped with cameras and sensors, these technologies integrate multiple hardware and software tools to help the blind. This paper describes Ebsar, an Arabic navigation aid with an optical head-mounted display that guides blind people indoors. The application constructs indoor maps by tracking the movements of a sighted person inside a building, generates and prints QR code location markers for points of interest, and then provides voice guidance in Arabic to blind users. A user acceptance study, in which 15 sighted people evaluated the map construction process and 9 blind users evaluated the guidance system's usability and effectiveness, demonstrated the ease of use of the Ebsar application. (C) 2016 Elsevier Ltd. All rights reserved.
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