Patent 9563805 was granted and assigned to Hong Kong Baptist University on February, 2017 by the United States Patent and Trademark Office.
The invention relates to method and apparatus of an eye gaze tracking system. In particular, the present invention relates to method and apparatus of an eye gaze tracking system using a generic camera under normal environment, featuring low cost and simple operation. The present invention also relates to method and apparatus of an accurate eye gaze tracking system that can tolerate large illumination changes.