After upper facial action unit location and segmentation, we present the facial action unit feature extraction algorithm based on KPCA.

在定位分割出上半人脸运动单元子区域图像之后，提出了采用KPCA算法提取它们的特征。

youdao

The method can integrate the facial animation parameters of MPEG-4 into action unit adjuster and get realistic effect easily.

该方法可使得MPEG-4脸部动画参数容易映射到动作单元调节器上，比较真实地表现脸部表情动作。

youdao