SmartGuide system to assist visually impaired people in a university environment
Proceedings of the 3rd International Convention on Rehabilitation Engineering & Assistive Technology
Vibrotactile feedback to aid blind users of mobile guides
Journal of Visual Languages and Computing
Development of a shoe-mounted assistive user interface for navigation
International Journal of Sensor Networks
Navigation systems for individuals with visual impairment: a survey
Proceedings of the 2nd International Convention on Rehabilitation Engineering & Assistive Technology
Review: An overview of the Internet of Things for people with disabilities
Journal of Network and Computer Applications
Harnessing wireless technologies for campus navigation by blind students and visitors
ICCHP'12 Proceedings of the 13th international conference on Computers Helping People with Special Needs - Volume Part II
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Blind people need to become as independent as possible in their daily life in order to guarantee a fully social inclusion. Mobility means the possibility of freely moving, without support of any accompanying person, at home, in public and private buildings, and in open spaces, as the streets of the town. Mobile and wireless technologies, and in particular the ones used to locate persons or objects, can be used to realize navigation systems in an intelligent environment. Such systems open new opportunities to improve the speed, easiness, and safety of the visually impaired persons mobility. Using these technologies together with Text To Speech systems and a mobilebased database the authors developed a cost effective, easy-to-use orientation and navigation system: RadioVirgilio/SesamoNet1. The cost effectiveness is due to the recovery of RFID identity tags from cattle slaughtering: these tags are then borrowed to create a grid used for navigation. In this paper the results of an usability analysis of this guide system are presented. A preliminary experiment involving a small group of experts and a blind person is described. In order to evaluate the usability, three cognitive walkthrough sessions have been done to discuss the system's basic functionality and to highlight the most critical aspects to be modified.