SYSTEMS AND METHODS FOR EYE GAZE DETERMINATION
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United States of America Patent
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Issued Date -
Aug 7, 2014
app pub date -
Dec 6, 2013
filing date -
Dec 6, 2012
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Abandoned
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Abstract
Devices and methods are provided for eye and gaze tracking determination. In one embodiment, a method for compensating for movement of a wearable eye tracking device relative to a user's eye is provided that includes wearing a wearable device on a user's head such that one or more endo-cameras are positioned to acquire images of one or both of the user's eyes, and an exo-camera is positioned to acquire images of the user's surroundings; calculating the location of features in a user's eye that cannot be directly observed from images of the eye acquired by an endo-camera; and spatially transforming camera coordinate systems of the exo- and endo-cameras to place calculated eye features in a known location and alignment.
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