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Facial Expression Recognition Based on the Two-Dimensional Structure of Affect

  • Young-suk Shin
Conference paper
Part of the Lecture Notes in Computer Science book series (LNCS, volume 3138)

Abstract

We present an expression recognition system based on the two-dimensional structure of affect. The system is capable of identifying the various emotions using automated feature extraction. A method for extracting information about facial expressions from images is presented in three steps. In the first step, Gabor wavelet representation is constructed to provide edge extraction of major face components using the average value of the image’s 2-D Gabor wavelet coefficient histogram. In the second step, sparse features of facial expression image are extracted using fuzzy C-means clustering(FCM) algorithm on neutral faces. In the third step, features of facial expressions are extracted using the Dynamic Linking Model(DLM) on expression images. The result of facial expression recognition is compared with dimensional values of internal states derived from semantic ratings of words related to emotion by experimental subjects. The two-dimensional structure of affect recognizes not only six facial expressions related to six basic emotions (happiness, sadness, surprise, angry, fear, disgust), but also expressions of various internal states.

Keywords

Facial Expression Emotion Word Expression Recognition Basic Emotion Facial Expression Recognition 
These keywords were added by machine and not by the authors. This process is experimental and the keywords may be updated as the learning algorithm improves.

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Copyright information

© Springer-Verlag Berlin Heidelberg 2004

Authors and Affiliations

  • Young-suk Shin
    • 1
  1. 1.Department of Information and telecommunication EngineeringChosun UniversityGwangjuKorea

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