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User modelling and the design of computer-based assistive devices

User modelling and the design of computer-based assistive devices

Keates, S. ORCID: 0000-0002-2826-672X and Dowland, R. (1997) User modelling and the design of computer-based assistive devices. In: Computers in the Service of Mankind: Helping the Disabled (Digest No.: 1997/117), IEE Colloquium on. IET, London, UK, 9/1-9/3. (doi:10.1049/ic:19970638)

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Abstract

User models are well represented in the field of human-computer interaction. They afford designers of interfaces detailed quantitative knowledge of the user for improved design, both in terms of the final end-product and the time taken to achieve this. However, they are almost always calibrated on able-bodied subjects using traditional input devices such as the keyboard and mouse. The ability to re-calibrate these models, or develop new ones, is essential for the successful design of assistive devices for the motion-impaired user. Computer-based assessment tools can be used to provide detailed information on user performance parameters. If designed well, these can provide the basis for a detailed user model. This paper presents a summary of the work currently being undertaken to develop a suite of such tools and the results obtained from user trials currently underway at the Papworth Trust. The paper also illustrates the practical applications of this work through the use of two examples: IRVIS (Interactive Robotic Visual Inspection System) and Jester (a gesture recognition system). It is the ability to analyse, and hence optimise, relatively complicated systems such as the IRVIS and Jester interfaces in terms of known user performance parameters that makes user models so useful. However, the results from user trials conducted to date shows that the existing models based primarily on able-bodied users do need refining and re-calibrating for the motion-impaired user

Item Type: Conference Proceedings
Title of Proceedings: Computers in the Service of Mankind: Helping the Disabled (Digest No.: 1997/117), IEE Colloquium on
Additional Information: [1] Conference was held on 7th March 1997 in London, UK [2] INSPEC Accession Number: 5577769 [3] Acknowledgements (funding): The authors would like to acknowledge.... the EPSRC for their funding of the IRVIS project.
Uncontrolled Keywords: user modelling design computer-based assistive devices
Subjects: Q Science > QA Mathematics > QA75 Electronic computers. Computer science
T Technology > T Technology (General)
T Technology > TA Engineering (General). Civil engineering (General)
Faculty / Department / Research Group: Faculty of Engineering & Science
Related URLs:
Last Modified: 14 Oct 2016 09:31
Selected for GREAT 2016: None
Selected for GREAT 2017: None
Selected for GREAT 2018: None
URI: http://gala.gre.ac.uk/id/eprint/12994

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