J. Urquiza-Martínez, G. González-Serna, A. Magadan-Salazar, N. González-Franco, and J. Villanueva-Tavira, “Robust Webcam-Based Gaze Tracking Using Double-Eye Convolutional Networks with Kalman Filtering and Clustered Calibration”, Int. Journal of COP and Infor., vol. 17, no. 2, pp. 243–255, Feb. 2026.