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Recently, a number of applications of automatic facial expression recognition systems have surfaced 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 solutiondoi:10.5121/ijscai.2013.2305 fatcat:g3u26z6pubhstnetogvqskxdpi