The cluster scanning system |
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Authors: | Pradipta Biswas Peter Robinson |
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Affiliation: | 1. Department of Engineering, University of Cambridge, Cambridge, CB2 1PZ, UK 2. Computer Laboratory, University of Cambridge, Cambridge, CB3 0FD, UK
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Abstract: | Users with severe physical impairment often use computers with one or two switches using a scanning system. Scanning is a technique of successively highlighting portions of screen. This paper presents a new scanning system that works through clustering screen objects. The system is initially calibrated through simulation and later validated through a user trial. Results show that it outperforms existing block scanning systems. |
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