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A Natural Visible and Infrared Facial Expression Database for Expression Recognition and Emotion Inference

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8 Author(s)
Shangfei Wang ; Sch. of Comput. Sci. & Technol., Univ. of Sci. & Technol. of China, Hefei, China ; Zhilei Liu ; Siliang Lv ; Yanpeng Lv
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To date, most facial expression analysis has been based on visible and posed expression databases. Visible images, however, are easily affected by illumination variations, while posed expressions differ in appearance and timing from natural ones. In this paper, we propose and establish a natural visible and infrared facial expression database, which contains both spontaneous and posed expressions of more than 100 subjects, recorded simultaneously by a visible and an infrared thermal camera, with illumination provided from three different directions. The posed database includes the apex expressional images with and without glasses. As an elementary assessment of the usability of our spontaneous database for expression recognition and emotion inference, we conduct visible facial expression recognition using four typical methods, including the eigenface approach [principle component analysis (PCA)], the fisherface approach [PCA + linear discriminant analysis (LDA)], the Active Appearance Model (AAM), and the AAM-based + LDA. We also use PCA and PCA+LDA to recognize expressions from infrared thermal images. In addition, we analyze the relationship between facial temperature and emotion through statistical analysis. Our database is available for research purposes.

Published in:

Multimedia, IEEE Transactions on  (Volume:12 ,  Issue: 7 )
Biometrics Compendium, IEEE