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\bibitem{2849} Sergio Escalera, Mercedes Torres-Torres, Brais Martinez, Xavier Baro, Hugo Jair Escalante, Isabelle Guyon, et al. (2016). ChaLearn Looking at People and Faces of the World: Face AnalysisWorkshop and Challenge 2016. In \textit{29th IEEE Conference on Computer Vision and Pattern Recognition Workshops}.

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