@conference{danelakis2015spatio, author = "Antonios Danelakis and Theoharis Theoharis and Πρατικάκης, Ιωάννης", booktitle = "Proceedings of the 2015 Eurographics Workshop on 3D Object Retrieval", organization = "Eurographics Association", pages = "63--70", title = "{A} spatio-temporal descriptor for dynamic 3 {D} facial expression retrieval and recognition ", year = "2015", }