Usability design of a scanning interface for a robot used by disabled users

Authors:
Anthony S. White;Stephen Prior
Affiliations:
School of Computing Science, Middlesex University, The Burroughs, Hendon, London;Product Design and Engineering, Middlesex University, Enfield, London
Venue:
UAHCI'07 Proceedings of the 4th international conference on Universal access in human computer interaction: coping with diversity
Year:
2007

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Abstract

The results of examining a scanning user interface implementation with command inputs in the form of head gestures for a rehabilitation robot using Fitts' law variations and comparing these with a servo eye tracking model are made. Calculations show that the movement time prediction is more accurate in this case using the servo eye model. The response from the linearised eye model predicts that there is a minimum scanning distance that can be used and minimum spacing between commands display.