1. Cao, C.; Weng, Y.; Lin, S.; Zhou, K. 3D shape regression for real-time facial animation. ACM Transactions on Graphics Vol. 32, No. 4, Article No. 41, 2013.
2. Cao, C.; Hou, Q.; Zhou, K. Displaced dynamic expression regression for real-time facial tracking and animation. ACM Transactions on Graphics Vol. 33, No. 4, Article No. 43, 2014.
3. Breitenstein, M. D.; Kuettel, D.; Weise, T.; van Gool, L.; Pfister, H. Real-time face pose estimation from single range images. In: Proceedings of the IEEE Conference on Computer Vision and Pattern Recognition, 1–8, 2008.
4. Meyer, G. P.; Gupta, S.; Frosio, I.; Reddy, D.; Kautz, J. Robust model-based 3D head pose estimation. In: Proceedings of the IEEE International Conference on Computer Vision, 3649–3657, 2015.
5. Padeleris, P.; Zabulis, X.; Argyros, A. A. Head pose estimation on depth based on particle swarm optimation. In: Proceedings of the IEEE Computer Society Conference on Computer Vision and Pattern Recognition Workshops, 42–49, 2012.