Voronoi diagrams, vectors and the visually impaired

Authors:
Christopher Power;Dawn Gill;Mark Daley
Affiliations:
University of Western Ontario, London, ON, Canada;University of Western Ontario, London, ON, Canada;University of Western Ontario, London, ON, Canada
Venue:
CHI '06 Extended Abstracts on Human Factors in Computing Systems
Year:
2006

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Abstract

We describe an algorithm for the detection of targets which will be encountered by a visually impaired user while exploring a two dimensional diagram. A user test examining the success of this algorithm during a targeted search task is described. We discuss the implications of this work on interface design for the visually impaired, including the planned inclusion of this algorithm in a multi-modal document browser.