A Survey of Affect Recognition Methods: Audio, Visual, and Spontaneous Expressions.

Zhihong Zeng Maja Pantic Glenn I. Roisman Thomas S. Huang A Survey of Affect Recognition Methods: Audio, Visual, and Spontaneous Expressions. 39-58 2009 31 IEEE Trans. Pattern Anal. Mach. Intell. 1 http://dx.doi.org/10.1109/TPAMI.2008.52 db/journals/pami/pami31.html#ZengPRH09