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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)
First AuthorWu, Q (Wu, Qi)
2011
Conference Name4th Bi-Annual International Conference of the Humaine Association on Affective Computing and Intelligent Interaction (ACII 2011)
Correspondent Emailfuxl@psych.ac.cn
Source PublicationLecture Notes in Computer Science
Volume6975
Issue子辑: II
Pages152-162
Conference DateOCT 09-12, 2011
Conference PlaceMemphis, TN
Abstract

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.

KeywordMicro-expression Mutual Information Dynamical Weight Trimming Gentlesvm Gabor Filters
Document Type会议论文
Identifierhttp://ir.psych.ac.cn/handle/311026/26743
Collection脑与认知科学国家重点实验室
AffiliationChinese Acad Sci, Inst Psychol, State Key Lab Brain & Cognit Sci, Beijing 100101, Peoples R China
Recommended Citation
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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