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ABSTRACT

Designers of video-mediated communication and affective computing applications must make tradeoffs to deal with limited bandwidth. Typically spatial resolution and color are preserved at the expense of temporal resolution and accuracy. Our data suggest that this may not be the appropriate tradeoff for communicating facial affect; preserving motion is critical and may even compensate for major losses in image realism.

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INDEX TERMS

Keywords:
face, facial affect, facial expression of emotion, image degradation, nonverbal communication, video conferencing