BlinkWrite2: an improved text entry method using eye blinks

  • Authors:
  • Behrooz Ashtiani;I. Scott MacKenzie

  • Affiliations:
  • York University, Toronto, Canada;York University, Toronto, Canada

  • Venue:
  • Proceedings of the 2010 Symposium on Eye-Tracking Research & Applications
  • Year:
  • 2010

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Abstract

Areas of design improvements for BlinkWrite, an eye blink text entry system, are examined, implemented, and evaluated. The result, BlinkWrite2, is a text entry system for individuals with severe motor impairment. Since the ability to blink is often preserved, even in severe conditions such as locked-in syndrome, BlinkWrite2 allows text entry and correction with blinks as the only input modality. Advantages of BlinkWrite2 over its predecessor include an increase in text entry speed. In a user evaluation, 12 participants achieved an average text entry rate of 5.3 wpm, representing a 16% increase over BlinkWrite and a 657% increase over the next fastest video-based eye blink text entry system reported in the literature.