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Journal cover: Journal of Assistive Technologies

Journal of Assistive Technologies

ISSN: 1754-9450

Online from: 2007

Subject Area: Health and Social Care

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A new input system for disabled users involving eye gaze tracker and scanning interface


Document Information:
Title:A new input system for disabled users involving eye gaze tracker and scanning interface
Author(s):Pradipta Biswas, (Research Associate at the Engineering Design Centre, Department of Engineering, University of Cambridge, Trinity Hall College, Cambridge, UK), Pat Langdon, (Senior Research Associate at the Engineering Design Centre, Department of Engineering, University of Cambridge, Trinity Hall College, Cambridge, UK)
Citation:Pradipta Biswas, Pat Langdon, (2011) "A new input system for disabled users involving eye gaze tracker and scanning interface", Journal of Assistive Technologies, Vol. 5 Iss: 2, pp.58 - 66
Keywords:Assistive technology, Disabled people, Eyes, Interactive devices, Medical appliances
Article type:Research paper
DOI:10.1108/17549451111149269 (Permanent URL)
Publisher:Emerald Group Publishing Limited
Acknowledgements:The authors are grateful to the participants for taking part in our study. They would also like to thank Professor Peter Robinson of University of Cambridge Computer Laboratory for his help in organizing the study.
Abstract:

Purpose – This paper aims to present a new input interaction system for people with severe disabilities. The new system works based on eye gaze tracking and single switch scanning interaction techniques. It combines eye gaze tracking and scanning in a unique way which is faster than only scanning-based systems while more comfortable to use than only eye gaze tracking-based systems, which is also supported by a user study.

Design/methodology/approach – The aim was to design a new interaction technique combining eye tracking and scanning technique for severely disabled people. A comparative study with eight users involving only an eye tracking system and the system combining eye tracking and scanning was conducted.

Findings – The participants rated the new system easier and less strenuous to use than the eye gaze tracking-based system, while the new system did not slow the speed of interaction.

Originality/value – This new method based on eye gaze tracking and single switch scanning interaction techniques has potential to be a new interaction technique combining free source eye tracker and scanning switches. It is hoped users who can move a limb to use a single switch-based scanning system will be hugely benefitted by this new system.



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