Ding Huang, Wei Lin, Hong Yan. Modeling of Facial Expressions Using NURBS Curves. In Jiming Liu, Pong Chi Yuen, Chun Hung Li, Joseph Kee-Yin Ng, Toru Ishida, editors, Active Media Technology, 6th International Computer Science Conference, AMT 2001, Hong Kong, China, December 18-20, 2001, Proceedings. Volume 2252 of Lecture Notes in Computer Science, pages 216-223, Springer, 2001. [doi]