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Inductive pointing device for tongue control system for computers and assistive devices

På svenska

Author

  • Eugen R. Lontis
  • Héctor Caltenco
  • Bo Bentsen
  • Henrik V. Christensen
  • Morten E. Lund
  • Lotte N.S. Andreasen Struijk

Summary, in English

Experimental results for pointing tasks using a tongue control system are reported in this paper. Ten untrained subjects participated in the experiment. Both typing and pointing tasks were performed, in three short-term training sessions, in consecutive days, by each subject. The system provided a key pad (14 sensors) and a mouse pad (10 sensors with joystick functionality) whose placements were interchanged (front, back) in half of the subjects. The pointing tasks consisted of selecting and tracking a target circle (of 50, 75 and 100 pixels diameter) that occurred randomly in each of the 16 positions uniformly distributed along the perimeter of a layout circle of 250 pixels diameter. The throughput was of 0.808 bits per second and the time on target was of 0.164 of the total tracking time. The pads layout, the subjects, the sessions, the target diameters, and the angle of the tracking direction had a statistically significant effect on the two performance measures. Long term training is required to assess the improvement of the user capability.

Publishing year

2009

Language

English

Pages

2380-2383

Publication/Series

Proceedings of the 31st Annual International Conference of the IEEE Engineering in Medicine and Biology Society

Document type

Conference paper

Publisher

IEEE - Institute of Electrical and Electronics Engineers Inc.

Topic

  • Human Computer Interaction

Conference name

Annual International Conference of the IEEE Engineering in Medicine and Biology Society, 2009

Conference date

2009-09-03 - 2009-09-06

Conference place

Minneapolis, Minnesota, United States

Status

Published

ISBN/ISSN/Other

  • ISSN: 1557-170X
  • ISBN: 978-1-4244-3296-7