Affective computing
Automatic Analysis of Facial Expressions: The State of the Art
IEEE Transactions on Pattern Analysis and Machine Intelligence
Affective computing: challenges
International Journal of Human-Computer Studies - Application of affective computing in humanComputer interaction
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Aiming at current E-Learning system was not able to estimate the affective state of the users , an intelligent affective state recognizer that used facial expression as input was proposed and implemented in the paper. The recognizer system consists of two neural network classifiers and a fuzzy logic facial analysis module. The recognizer system had been used in an E-Learning system to recognize the emotion state. The results manifested that the recognizer system was effective. However, other bio-signals such as heartbeat, skin resistance and voice tone could also be used for affective state recognition.