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COMPUTER VISION SYSTEM FOR CHILD HEAD AND EYE TRACKING

The system performs tracking of head and eyes movement on the basis of video registrations data. System was elaborated for experimental works in the branches of medicine, biology and psychology.


Input data:
  • Digital video in AVI format
  • Frame size not less than 640x480 pixels
Data on frame:
  • head orientation
  • orientation of eyes
  • state of eyes (opened/closed)
  • direction of look
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Features:
  • accuracy of forehead mark position - 1 pixel
  • accuracy of eyes centers positions - 1 pixel
  • accuracy of head inclination - 1
  • probability of proper eyes state determination - 0,95
  • accuracy of eye pupil determination - 1-2 pixels
  • time required per frame of 640õ480 pixels - 0.25 sec (IBM PC PentiumIII-900)