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Automatic Facial Expression Recognition System Using Shape-Information-Matrix (SIM): An Expression Specific Approach

Author

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  • Avishek Nandi

    (Visva-Bharati University, India)

  • Paramartha Dutta

    (Visva-Bharati University, India)

  • Md Nasir

    (Visva-Bharati University, India)

Abstract

Automatic recognition of facial expressions and modeling of human expressions are very essential in the field of affective computing. The authors have introduced a novel geometric and texture-based method to extract the shapio-geometric features from an image computed by landmarking the geometric locations of facial components using the active appearance model (AAM). Expression-specific analysis of facial landmark points is carried out to select a set of landmark points for each expression to identify features for each specific expression. The shape information matrix (SIM) is constructed the set salient landmark points assign to an expression. Finally, the histogram-oriented gradients (HoG) of SIM are computed which is used for classification with multi-layer perceptron (MLP). The proposed method is tested and validated on four well-known benchmark databases, which are CK+, JAFFE, MMI, and MUG. The proposed system achieved 98.5%, 97.6%, 96.4%, and 97.0% accuracy in CK+, JAFFE, MMI, and MUG database, respectively.

Suggested Citation

  • Avishek Nandi & Paramartha Dutta & Md Nasir, 2020. "Automatic Facial Expression Recognition System Using Shape-Information-Matrix (SIM): An Expression Specific Approach," International Journal of Natural Computing Research (IJNCR), IGI Global, vol. 9(4), pages 34-51, October.
    • Handle: RePEc:igg:jncr00:v:9:y:2020:i:4:p:34-51
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