Bernd Bickel Mario Botsch Roland Angst Wojciech Matusik Miguel A. Otaduy Hanspeter Pfister Markus H. Gross Multi-scale capture of facial geometry and motion. 33 2007 26 ACM Trans. Graph. 3 http://doi.acm.org/10.1145/1276377.1276419 db/journals/tog/tog26.html#BickelBAMOPG07