Patent ID: 9563805
Date: 2017-02-07
CPC Classifications: A61B,G02B,G06F,G06K

Claim:
1. An eye gaze tracking method comprising the steps of: detecting a position of an iris center and a position of a corresponding eye corner of a user; determining an eye vector associated with a gaze direction of the user using the detected iris center position and the corresponding eye corner position; determining an initial static gaze point of the user by mapping the eye vector with a gaze target; and applying the initial static gaze point to a head pose estimation model that is arranged to model a head pose of the user so as to devise a final gaze point of the user; wherein the eye vector g is defined by the position of the iris center p_iris and the position of the eye corner p_corner via a relationship of g=p_corner−p_iris; and wherein the head pose estimation model is arranged to apply a sinusoidal head model to simulate a shape of the head of the user.