1. Majaranta P, Bulling A (2014) Eye tracking and eye-based human–computer interaction. Springer, Berlin, pp 39–65
2. Sugano Y, Zhang X, Bulling A (2016) Aggregaze: Collective estimation of audience attention on public displays. In: Symposium on user interface software & technology
3. Ali A, Kim Y-G (2020) Deep fusion for 3d gaze estimation from natural face images using multi-stream cnns. IEEE Access 8:69212–69221. https://doi.org/10.1109/ACCESS.2020.2986815
4. Peréz A, Córdoba ML, Garcia A, Méndez R, Munoz M, Pedraza JL, Sanchez F (2003) A precise eye-gaze detection and tracking system
5. Young D, Tunley H, Samuels R (1995) Specialised hough transform and active contour methods for real-time eye tracking. University of Sussex, Cognitive and Computing Science, Technical Report 386