Abstract
Recently, a number of applications of automatic facial expression recognition systems havesurfaced in
many different research fields. The automatic facial expression recognition problem is a very challenging
problem because it involves in three sub-problems: 1) face detection, 2) facial expression feature
extraction, and 3) expression classification. This paper presents an automatic facial expression recognition
system based on self-organizing feature maps, which provides an effective solution to the aforementioned
three sub-problems. The performance of the proposed system was computed on twowell-known facial
expression databases. The average correct recognition rates were over 90%.
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