Exploiting human sensitivity to gaze for tracking the eyes.

  title={Exploiting human sensitivity to gaze for tracking the eyes.},
  author={Nicola C. Anderson and Evan F. Risko and Alan Kingstone},
  journal={Behavior research methods},
  volume={43 3},
Given the prevalence, quality, and low cost of web cameras, along with the remarkable human sensitivity to gaze, we examined the accuracy of eye tracking using only a web camera. Participants were shown webcamera recordings of a person's eyes moving 1°, 2°, or 3° of visual angle in one of eight radial directions (north, northeast, east, southeast, etc.), or no eye movement occurred at all. Observers judged whether an eye movement was made and, if so, its direction. Our findings demonstrate that… CONTINUE READING

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