Manipulating Video Sequences to Determine the Components of Conversational Facial Expressions
ACM Transactions on Applied Perception (TAP)
The evaluation of stylized facial expressions
APGV '06 Proceedings of the 3rd symposium on Applied perception in graphics and visualization
Evaluation of real-world and computer-generated stylized facial expressions
ACM Transactions on Applied Perception (TAP)
The interaction between motion and form in expression recognition
Proceedings of the 6th Symposium on Applied Perception in Graphics and Visualization
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Facial expressions can be used to direct the flow of a conversation as well as to improve the clarity of communication. The critical physical differences between expressions can, however, be small and subtle. Clear presentation of facial expressions in applied settings, then, would seem to require a large conversational agent. Given that visual displays are generally limited in size, the usage of a large conversational agent would reduce the amount of space available for the display of other information. Here, we examine the role of image size in the recognition of facial expressions. The results show that conversational facial expressions can be easily recognized at surprisingly small image sizes. Copyright © 2004 John Wiley & Sons, Ltd.