Performance of optical flow techniques
International Journal of Computer Vision
Automatic Classification of Single Facial Images
IEEE Transactions on Pattern Analysis and Machine Intelligence
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We describe a system to ease long-term human monitoring of mood via facial expressions. Video images are processed in real-time to isolate the area of the face and record facial expressions. Optic flow is used to annotate motion of the face. A simple-to-use browser is used to navigate the facial expression record. A preliminary evaluation of both components is reported.