Instantaneous saccade driven eye gaze interaction

  • Authors:
  • Oleg V. Komogortsev;Young Sam Ryu;Do Hyong Koh;Sandeep M. Gowda

  • Affiliations:
  • University-San Marcos;Texas State University-San Marcos;Texas State University-San Marcos;Texas State University-San Marcos

  • Venue:
  • Proceedings of the International Conference on Advances in Computer Enterntainment Technology
  • Year:
  • 2009

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Abstract

In this paper, we introduce and evaluate a new Instantaneous Saccade (IS) selection scheme for eye gaze driven interfaces where the speed of the target selection is of utmost importance. In the IS selection scheme, target selection occurs at the start (onset) of a saccade requiring only constant amount of time to be completed. The IS performance is compared to the conventional Dwell Time (DT) selection scheme where target selection is triggered when a user fixates on an object for a certain amount of time. The IS method is also compared to the Saccade Offset (SO) selection scheme where target selection occurs at the end of a saccade. All three schemes were evaluated in terms of task completion time and the throughput of input performance in horizontal target selection task by six subjects. Results show that the Instantaneous Saccade selection was 57% faster than the DT selection to complete a task. In terms of throughput comparison, the throughput of the IS selection is 1.9 times greater than the throughput of DT selection. We hypothesize that Instantaneous Saccade selection will be beneficial in gaming environments that require fast very interaction speeds.