HadlockTA, UrbanLS. Toward a universal, automated facial measurement tool in facial reanimation. Arch Facial Plast Surg. 2012; 14(4):277-282. 22508895
2.
BrayD, HenstromDK, CheneyML, HadlockTA. Assessing outcomes in facial reanimation: evaluation and validation of the SMILE system for measuring lip excursion during smiling. Arch Facial Plast Surg. 2010; 12(5):352-354. 20855780
3.
CoulsonSE, CroxsonGR, GilleardWL. Three-dimensional quantification of “still” points during normal facial movement. Ann Otol Rhinol Laryngol. 1999; 108(3):265-268. 10086619
4.
VahidK, SullivanJ. One millisecond face alignment with an ensemble of regression trees. In: 27th IEEE Conference on Computer Vision and Pattern Recognition. Piscataway, NJ: IEEE; 2014:1867-1874.