Sohre, N., M. Adeagbo, N. Helwig, S. Lyford-Pike, and S. Guy. “PVL: A Framework for Navigating the Precision-Variety Trade-Off in Automated Animation of Smiles”. Proceedings of the AAAI Conference on Artificial Intelligence, vol. 32, no. 1, Apr. 2018, https://ojs.aaai.org/index.php/AAAI/article/view/11431.