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Affective Computing Focus on Emotion Expression Synthesis by vedran kordic

By vedran kordic

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Extra info for Affective Computing Focus on Emotion Expression Synthesis and Recognition

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P. V. Friesen. Facial Action Coding System. Consulting Psychology Press, Palo Alto, CA, USA, 1977. B. Fasel and J. Luettin. Automatic facial expression analysis: A survey. Pattern Recognition, 36(1):259-275, 2003. B. Y. Bouguet, C. Tomasi, and B. Girod. Model-based face tracking for viewindependent facial expression recognition. In IEEE International Conference on Automatic Face and Gesture Recognition, 2002. Y. Huang, T. S. Huang, and H. Niemann. A region-based method for model-free object tracking.

However, the role of gaze seems to be a bit more complicated. Gaze direction does not only provide emotional information in the sense described above, but also has an indirect influence on emotion processing by influencing attention allocation. Specifically, direct gaze attracts attention to a larger degree than does averted gaze. In sum, the meaning of facial expressions can be clarified or obscured by gaze direction. An angry expression with gaze directed at me will lead me to think that I am the object of the anger and elicit corresponding emotions.

This relatively simple model was adopted to allow real-time performance. We found that the tracking based on this model was successful even in the presence of temporary occlusions caused by a rotated face and occluding hands. , 2006). As can be seen, even though with our simple appearance model the possible brief perturbations caused temporary tracking inaccuracies, there is no track lost. Moreover, whenever the perturbation disappears the tracker begins once more to provide accurate parameters.

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