Smile detection systems and methods
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United States of America Patent
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Mar 17, 2015
Grant Date -
Jul 4, 2013
app pub date -
Sep 13, 2010
filing date -
Sep 13, 2010
priority date (Note) -
In Force
status (Latency Note)
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Abstract
Systems and methods of smile detection are disclosed. An exemplary method comprises generating a search map (400) for a subset of an image (300). The method also comprises identifying a plurality of candidates (400a-f) representing mouth corners. The method also comprises generating parabolas (410) between each pair of candidates representing mouth corners. The method also comprises analyzing contour of at least one of the parabolas to determine whether the mouth curves substantially upward to form a smile or curves substantially downward to form a frown.
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Family
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Cited Art Landscape
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