A survey of user-centered design practice
Proceedings of the SIGCHI Conference on Human Factors in Computing Systems
Design and development of an indoor navigation and object identification system for the blind
Assets '04 Proceedings of the 6th international ACM SIGACCESS conference on Computers and accessibility
RFID Information Grid for Blind Navigation and Wayfinding
ISWC '05 Proceedings of the Ninth IEEE International Symposium on Wearable Computers
Human-Computer Interaction (3rd Edition)
Human-Computer Interaction (3rd Edition)
Usability evaluation considered harmful (some of the time)
Proceedings of the SIGCHI Conference on Human Factors in Computing Systems
Guidelines for designing mobility and orientation software for blind children
INTERACT'07 Proceedings of the 11th IFIP TC 13 international conference on Human-computer interaction
Blind Path Identification System Design Base on RFID
ICECE '10 Proceedings of the 2010 International Conference on Electrical and Control Engineering
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Proceedings of the 2nd International Convention on Rehabilitation Engineering & Assistive Technology
An integrated system for blind day-to-day life autonomy
The proceedings of the 13th international ACM SIGACCESS conference on Computers and accessibility
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ICCHP'06 Proceedings of the 10th international conference on Computers Helping People with Special Needs
The blind interactive guide system using RFID-Based indoor positioning system
ICCHP'06 Proceedings of the 10th international conference on Computers Helping People with Special Needs
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ACM SIGACCESS Accessibility and Computing
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Assistive technology enables people to achieve independence in the accomplishment of their daily tasks and enhance their quality of life. However, the development os assistive technology does not always follow user needs and expectations, comprising their usability and effectiveness. This paper discusses the design and evaluation strategies for assistive technologies applied to a blind navigation system case study. The research carried out focused on the gathering of user requirements for ensuring enhanced autonomy of blind people in their daily life. The picked requirements were used in an architecture that unifies the benefits of a redundant blind navigation system with a set of services that are provided by daily used information and communication technologies. The system combines guidance, navigation and information gathering, extending traditional aids with realtime knowledge of the surrounding environment to provide an enhanced assistive tool for autonomy of the blinds. Moreover, the developed solution fills the gap of existing solutions that require the users to carry a wide range of devices and, mostly, do not include mechanisms to ensure the autonomy of users in the event of system failure.