1. Cerf, M., Harel, J., Einhäuser, W., Koch, C.: Predicting human gaze using low-level saliency combined with face detection. Adv. Neural Inf. Proces. Syst. 20, 241–248 (2008)
2. Cootes, T., Baldock, E.R., Graham, J.: An introduction to active shape models. In: Image Processing and Analysis, pp. 223–248. Oxford University Press (2000)
3. Cristinacce, D., Cootes, T.: Facial feature detection using AdaBoost with shape constraints. In: Proceedings of the British Machine Vision Conference 2003 (2003)
4. Da'san, M., Alqudah, A., Debeir, O.: Face detection using Viola and Jones method and neural networks. In: 2015 International Conference on Information and Communication Technology Research (ICTRC), pp. 40–43 (2015)
5. Devrari, K., Kumar, K.: Fast face detection using graphics processor. Int. J. Comput. Sci. Inf. Technol. 2, 1082–1086 (2011)