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Joystick text entry with word prediction for people with motor impairments

Published: 25 October 2010 Publication History

Abstract

Joysticks are used by people with motor impairments as an assistive device which acts as a replacement for the keyboard and mouse. Most existing entry methods that use the joystick take the form of on-screen or selection keyboards which require multiple movements of a joystick to enter a single character, making text input slow. We try to reduce the number of required joystick movements by adding word completion and next word prediction. Evaluations show text entry with word prediction is 30% faster compared with entry on a regular selection keyboard and reduces the amount of movements by 50%, even for first-time users with less than 15 minutes of practice.

References

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T. Felzer and R. Nordmann. Alternative Text Entry Using Different Input Methods. Proc. ASSETS 2006, pages 10--17, 2006.
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H. H. Koester and S. P. Levine. Modeling the Speed of Text Entry with a Word Prediction Interface. IEEE Trans. on Rehabilitation Engr. pages 177--187, 1994.
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T. Koltringer, P. Isokoski, and T. Grechenig. TwoStick: Writing with a Game Controller. Proc. Graphics Interface 2007, pages 103--110, 2007.
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The British National Corpus, version 3 (BNC XML Edition). Distributed by Oxford Univ. Computing Services on behalf of the BNC Consortium. http://www.natcorp.ox.ac.uk/, 2007.
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A. D. Wilson and M. Agrawala. Text Entry Using a Dual Joystick Game Controller. Proc. CHI 2006, pages 475--478, 2006.
[6]
J. O. Wobbrock, B. A. Myers, and H. H. Aung. Joystick Text Entry with Date Stamp, Selection Keyboard, and EdgeWrite. Proc. CHI 2004, page 1550, 2004.
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J. O. Wobbrock, B. A. Myers, H. H. Aung, and E. F. LoPresti. Text Entry from Power Wheelchairs: EdgeWrite for Joystick and Touchpads. Proc. ASSETS 2004, pages 110--117, 2004.

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  • (2023)Blink, Pull, Nudge or Tap? The Impact of Secondary Input Modalities on Eye-Typing PerformanceHCI International 2023 – Late Breaking Papers10.1007/978-3-031-48038-6_15(238-258)Online publication date: 23-Jul-2023
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cover image ACM Conferences
ASSETS '10: Proceedings of the 12th international ACM SIGACCESS conference on Computers and accessibility
October 2010
346 pages
ISBN:9781605588810
DOI:10.1145/1878803

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Association for Computing Machinery

New York, NY, United States

Publication History

Published: 25 October 2010

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Author Tags

  1. joystick
  2. selection keyboard
  3. text entry
  4. text input
  5. word prediction

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  • Extended-abstract

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ASSETS '10
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Overall Acceptance Rate 436 of 1,556 submissions, 28%

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ASSETS '25

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Cited By

View all
  • (2024)A3C: An Image-Association-Based Computing Device Authentication Framework for People with Upper Extremity ImpairmentsACM Transactions on Accessible Computing10.1145/365252217:2(1-37)Online publication date: 28-May-2024
  • (2024)Investigating Technology Adoption Soon After Sustaining a Spinal Cord InjuryProceedings of the ACM on Interactive, Mobile, Wearable and Ubiquitous Technologies10.1145/36435078:1(1-24)Online publication date: 6-Mar-2024
  • (2023)Blink, Pull, Nudge or Tap? The Impact of Secondary Input Modalities on Eye-Typing PerformanceHCI International 2023 – Late Breaking Papers10.1007/978-3-031-48038-6_15(238-258)Online publication date: 23-Jul-2023
  • (2022)Freedom to Choose: Understanding Input Modality Preferences of People with Upper-body Motor Impairments for Activities of Daily LivingProceedings of the 24th International ACM SIGACCESS Conference on Computers and Accessibility10.1145/3517428.3544814(1-16)Online publication date: 23-Oct-2022
  • (2020)Eyelid Gestures on Mobile Devices for People with Motor ImpairmentsProceedings of the 22nd International ACM SIGACCESS Conference on Computers and Accessibility10.1145/3373625.3416987(1-8)Online publication date: 26-Oct-2020
  • (2019)The dynamic grouping keyboard: a general keyboard optimization approach for users with motor impairmentCCF Transactions on Pervasive Computing and Interaction10.1007/s42486-019-00010-5Online publication date: 1-Aug-2019
  • (2018)Can Automatic Abbreviation Expansion Improve the Text Entry Rates of Norwegian Text with Compound Words?Proceedings of the 8th International Conference on Software Development and Technologies for Enhancing Accessibility and Fighting Info-exclusion10.1145/3218585.3218586(1-7)Online publication date: 20-Jun-2018

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