K. Tsuji and M. Aoyagi (Japan)
Stereo image processing, corneal reflection, eye direction, genetic algorithm, image segmentation, contour grouping.
The measurement systems of the movement of an eye di rection are important in ophthalmology. In this paper, an eye direction algorithm for eye tracking is introduced by image processing in stereo cameras. We assume that iris images are observed by cameras. Our method uses the fact that the location of the corneal reflection on an iris region changes as the eye direction varies. The eye direction is estimated by image processing, based on the relation of the relative position of corneal reflection on the iris region.
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