Gaze beats mouse: hands-free selection by combining gaze and emg

  • Authors:
  • Julio C. Mateo;Javier San Agustin;John Paulin Hansen

  • Affiliations:
  • Wright State University, Dayton, OH, USA;IT University of Copenhagen, Copenhagen, Denmark;IT University of Copenhagen, Copenhagen, Denmark

  • Venue:
  • CHI '08 Extended Abstracts on Human Factors in Computing Systems
  • Year:
  • 2008

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Abstract

Facial EMG for selection is fast, easy and, combined with gaze pointing, it can provide completely hands-free interaction. In this pilot study, 5 participants performed a simple point-and-select task using mouse or gaze for pointing and a mouse button or a facial-EMG switch for selection. Gaze pointing was faster than mouse pointing, while maintaining a similar error rate. EMG and mouse-button selection had a comparable performance. From analyses of completion time, throughput and error rates, we concluded that the combination of gaze and facial EMG holds potential for outperforming the mouse.