It has been well known that there is a correlation between facial expression and person’s internal emotional state. In this paper we use an approach to distinguish between neutral and some other expression: based on the displacement of important facial points (coordinates of edges of the mouth, eyes, eyebrows, etc.). Further the feature vectors are formed by concatenating the landmarks data from Supervised Descent Method, applying PCA and use these data as an input to Support Vector Machine (SVM) classifier. The experimental results show improvement of the recognition rate in comparison to some stateof- the-art facial expression recognition techniques.
CITATION STYLE
Manolova, A., Neshov, N., Panev, S., & Tonchev, K. (2014). Facial expression classification using supervised descent method combined with PCA and SVM. In Lecture Notes in Computer Science (including subseries Lecture Notes in Artificial Intelligence and Lecture Notes in Bioinformatics) (Vol. 8897, pp. 165–175). Springer Verlag. https://doi.org/10.1007/978-3-319-13386-7_13
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