Hence we discussed Active Shape Model (ASM)/Active Appearance Model (AAM), compared their advantages and disadvantages respectively, and then uses them for the expression recognition system.

• 以前的表情识别研究通常都是用手动定位进行研究,在自动识别系统中很显然行不通,所以本文研究了主动形状模型ASM (Active Shape Model)/主动表观模型AAM(Active Appearance Model),仔细比较了它们的优缺点,并且使之成功应用于整个表情自动识别系统。