A recognition rate of 82.8 is achieved on single AUs, and a similarity rate of 93.1 is obtained on AU combinations to un-standard images.

• 采用10幅有干扰的非受控成像条件下收集的复杂图像进行实验；单独AU的平均识别率为82.；8%25；AU组合的平均相似度为93