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dc.contributor.authorCalder, David
dc.contributor.editorPier Luigi Emiliani, Laura Burzagli, Andrea Como, Francesco Gabbanini and Anna-Liisa Salminen
dc.identifier.citationCalder, David. 2009. Interface challenges for the visually impaired, in Emiliani, P. and Burzagli, L. and Como, A. and Gabbanini, F. and Salminen, A. (ed), Assistive technology from adapted equipment to inclusive environments (AAATE 2009). pp. 483-490. Italy: IOS Press.

Top end assistive technology devices for the visually impaired, are sophisticated electronic devices that are either hand-held, attached to a Long Cane or worn by the visually impaired user, to warn of obstacles ahead. Rangefinder ultrasonic pulse-echo techniques have readily been applied to many of these devices. On the other hand, infrared light transceivers or laser technology is also exploited to locate and warn of obstacles. Applying a rangefinder to a complex user requirement presents many difficulties. The most significant challenges are related to the interface display that conveys navigation/obstacle warning information to the user. From a cognitive perspective, other fundamental sensory channels should not be compromised in any way. This is not always the case with commercially available systems. It could be said of many, that the all important and demanding user interface design has been neglected or forgotten.

dc.publisherIOS Press
dc.subjectassistive technology
dc.subjectportable electronic device
dc.subjectambient sound cues
dc.subjectultrasonic pulse-echo
dc.subjectsensory channels
dc.subjectObstacle warning displays
dc.subjectlong cane
dc.subjectvisually impaired
dc.subjectsound interface displays
dc.titleInterface challenges for the visually impaired
dc.typeBook Chapter
dcterms.source.titleAssistive technology from adapted equipment to inclusive environments (AAATE 2009)
curtin.departmentCentre for Extended Enterprises and Business Intelligence
curtin.accessStatusFulltext not available
curtin.facultyCurtin Business School
curtin.facultyThe Centre for Extended Enterprises and Business Intelligence (CEEBI)

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