US Patent 11644898 Eye tracking method and system

A method for determining a series of gaze positions of at least one eye over time is provided. The method comprises capturing a video of a user's face simultaneously with displaying a stimulus video on a screen and extracting at least one color component for each one of a plurality of images obtained from the video of the user's face. Based on the at least one color component for each one of the plurality of images, the series of gaze positions of the user's face over the time of the video is determined. A system for determining a series of gaze positions of at least one eye over time is also provided.