Detecting behavioral deviations by measuring eye movements
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United States of America Patent
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Nov 12, 2013
Grant Date -
Jan 24, 2013
app pub date -
Sep 13, 2012
filing date -
Mar 17, 2008
priority date (Note) -
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Abstract
Detecting behavioral deviations in members of a cohort group is provided. Ocular metadata is analyzed to identify patterns in changes in a size of a pupil of an eye of a member of the cohort group captured by a set of cameras. The ocular metadata describes the changes in the size of the pupil. The patterns in the changes in the size of the pupil include a rate of changes in the size of the pupil, a degree of change in the size of the pupil, and a number of changes in the size of the pupil. The patterns in the changes in the size of the pupil indicate any external stimuli associated with the changes in the size of the pupil. In responsive to the changes in the size of the pupil indicating behavioral deviations in the member, the member is identified as a person of interest.
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