Using Iris Region Eigenvalues for User-Independent Eye-Gaze Distance Estimation in Single-Camera Setup

Wirot Ponglangka, Nipon Theera-Umpon, and Sansanee Auephanwiriyakul, “Using Iris Region Eigenvalues for User-Independent Eye-Gaze Distance Estimation in Single-Camera Setup,” International Journal of Imaging and Robotics, Vol. 15, No. 3, pp. 35-42, March 2015.