Is a
Patent attributes
Patent Jurisdiction
Patent Number
Date of Patent
October 12, 2010
Patent Application Number
12371606
Date Filed
February 15, 2009
Patent Primary Examiner
Patent abstract
This invention provides for the automatic determination of a human's gaze angle. The gaze angle is assumed to be the same as the head angle (i.e., eyes looking straight ahead). It is determined by comparing the observed eye separation relative to a maximal eye separation. The gaze angle is then determined to be the inverse cosine, or arc cosine, of the ratio of these two measurements.
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