TANG, JOHN SY-SEN, ALAN WEE-CHUNG LIEW, and HONG YAN. 2005. “HUMAN FACE ANIMATION BASED ON VIDEO ANALYSIS, WITH APPLICATIONS TO MOBILE ENTERTAINMENT”. Journal of Mobile Multimedia 1 (2):133-48. https://journals.riverpublishers.com/index.php/JMM/article/view/5071.