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The Machine Knows What You Are Hiding: An Automatic Micro-expression Recognition System
Wu, Q (Wu, Qi); Shen, XB (Shen, Xunbing); Fu, XL (Fu, Xiaolan)
第一作者Wu, Q (Wu, Qi)
2011
会议名称4th Bi-Annual International Conference of the Humaine Association on Affective Computing and Intelligent Interaction (ACII 2011)
通讯作者邮箱fuxl@psych.ac.cn
会议录名称Lecture Notes in Computer Science
卷号6975
期号子辑: II
页码152-162
会议日期OCT 09-12, 2011
会议地点Memphis, TN
摘要

Micro-expressions are one of the most important behavioral clues for lie and dangerous demeanor detections. However, it is difficult for humans to detect micro-expressions. In this paper, a new approach for automatic micro-expression recognition is presented. The system is fully automatic and operates in frame by frame manner. It automatically locates the face and extracts the features by using Gabor filters. GentleSVM is then employed to identify micro-expressions. As for spotting, the system obtained 95.83% accuracy. As for recognition, the system showed 85.42% accuracy which was higher than the performance of trained human subjects. To further improve the performance, a more representative training set, a more sophisticated testing bed, and an accurate image alignment method should be focused in future research.

关键词Micro-expression Mutual Information Dynamical Weight Trimming Gentlesvm Gabor Filters
文献类型会议论文
条目标识符http://ir.psych.ac.cn/handle/311026/26743
专题脑与认知科学国家重点实验室
作者单位Chinese Acad Sci, Inst Psychol, State Key Lab Brain & Cognit Sci, Beijing 100101, Peoples R China
推荐引用方式
GB/T 7714
Wu, Q ,Shen, XB ,Fu, XL . The Machine Knows What You Are Hiding: An Automatic Micro-expression Recognition System[C],2011:152-162.
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