Description and synthesis of facial expression based on isodensity maps
CG International '92 Proceedings of the 10th International Conference of the Computer Graphics Society on Visual computing : integrating computer graphics with computer vision: integrating computer graphics with computer vision
Analysis and Synthesis of Facial Image Sequences Using Physical and Anatomical Models
IEEE Transactions on Pattern Analysis and Machine Intelligence
Feature-Point Tracking by Optical Flow Discriminates Subtle Differences in Facial Expression
FG '98 Proceedings of the 3rd. International Conference on Face & Gesture Recognition
Journal of Cognitive Neuroscience
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Facial expressions play an important role in human communication. Accurate recognition of facial expressions is important to understand nonverbal communication. Many tools have been developed but to recognize facial impressions in real life communications independent of lighting conditions, posture, occlusion and different intensities is still an unsolved problem. In the underlying paper we researched facial movements in daily interaction by tracking painted markers on the face to assess the displayed facial expressions. We analysed recordings of text based communication and computed the dictionary of emotional facial expressions and nonverbal grammatical rules.