[1] Hong Wei Ng, Viet Dung Nguyen, Vassilios Vonikakis,and Stefan Winkler. Deep learning for emotion recognition on small datasets using transfer learning. In ACM on International Conference on Multimodal Interaction, pages 443–449,2015. [2] Xuehan Xiong and Fernando De La Torre. Supervised descent method and its applications to face alignment. In IEEE Conference on Computer Vision and Pattern Recognition, pages 532–539,2013. [3] Georgios Tzimiropoulos and Maja Pantic. Gauss-newton deformable part models for face alignment in-the-wild.2014.