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SYSTEM AND METHOD OF DETECTING EYE FIXATIONS USING ADAPTIVE THRESHOLDS

  • US 20090086165A1
  • Filed: 09/28/2007
  • Published: 04/02/2009
  • Est. Priority Date: 09/28/2007
  • Status: Active Grant
First Claim
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1. An adaptive eye-tracking system comprisinga visual display having display points represented by display point coordinates and display data including display point coordinates;

  • a camera generating video data representing a user'"'"'s eye viewing the visual display; and

    a processor receiving said video data from said camera, estimating gaze data indicating eye-gaze positions and including time stamps, and associating said eye gaze positions with display point coordinates, calculating a gaze noise value using said eye gaze positions, calculating a saccade estimate using said gaze noise value and determining display point coordinates representing fixations using said saccade estimate and said associated eye gaze positions.

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