Gaze estimation method based on an aspherical model of the cornea: surface of revolution about the optical axis of the eye. - Takashi Nagamatsu; Yukina Iwamoto; Junzo Kamahara; Naoki Tanaka; Michiya Yamamoto (ETRA, 2010)

User-calibration-free gaze tracking with estimation of the horizontal angles between the visual and the optical axes of both eyes. - Takashi Nagamatsu; Ryuichi Sugano; Yukina Iwamoto; Junzo Kamahara; Naoki Tanaka (ETRA, 2010)

User-Calibration-Free Gaze Estimation Method Using a Binocular 3D Eye Model. - Takashi Nagamatsu; Ryuichi Sugano; Yukina Iwamoto; Junzo Kamahara; Naoki Tanaka (IEICE Trans. Inf. Syst., 2011)

Gaze Estimation Method Involving Corneal Reflection-Based Modeling of the Eye as a General Surface of Revolution about the Optical Axis of the Eye. - Takashi Nagamatsu; Yukina Iwamoto; Ryuichi Sugano; Junzo Kamahara; Naoki Tanaka; Michiya Yamamoto (IEICE Trans. Inf. Syst., 2012)