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Studies of basic facial expression recognition have always shown different recognition rates for different emotionalexpressions. Happiness and surprise detection easily exceed 90% recognition rates, while other basic emotions (i.e. sadness,anger, fear, and disgust) produce much lower rates. In this paper we present a simple approach for reducing this gap,increasing the recognition rates for the other four basic emotions, based on more closely analyzing the displacements ofextracted facialdoaj:d52ca381c60d4c6587348b83699b2c26 fatcat:6y7rqe5syjccrnvrkgksuweybe