A simple approach to facial expression recognition

  • Authors:
  • Mu-Chun Su;Yi-Jwu Hsieh;De-Yuan Huang

  • Affiliations:
  • Department of Computer Science & Information Engineering, National Central University, Taiwan, R.O.C.;Department of Computer Science & Information Engineering, National Central University, Taiwan, R.O.C.;Department of Computer Science & Information Engineering, National Central University, Taiwan, R.O.C.

  • Venue:
  • CEA'07 Proceedings of the 2007 annual Conference on International Conference on Computer Engineering and Applications
  • Year:
  • 2007

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Abstract

Human face-to-face communication plays an important role in human communication and interaction. In recent years, several different approaches have been proposed for developing methods of automatic facial expression analysis. In this paper, a simple approach to automatic facial expression recognition is presented. The proposed system is able to automatically perform human face detection, feature point extraction and facial expression recognition from image sequences. The facial recognition procedures involves in two stages. At the first stage, three multi-layer perceptrons (MLPs) are separately trained to recognize action units involving in the eyebrows, the eyes and the mouth regions. Then individual expression network was trained to recognize five basic facial expressions based on the outputs computed from the aforementioned three MLPs. Experiments were conducted to test the performance of the proposed facial expression recognition system.