Categorical perception of facial affect: an illusion

  • Authors:
  • Diane J. Schiano;Sheryl M. Ehrlich;Kyle Sheridan

  • Affiliations:
  • Stanford University, Stanford CA;Adobe Systems-MSE11, San Jose CA;MDExpert.com, Palo Alto, CA

  • Venue:
  • CHI '01 Extended Abstracts on Human Factors in Computing Systems
  • Year:
  • 2001

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Abstract

Facial affect is central to many VMC & affective computing applications, which often compress motion or frame-rate to reduce video bandwidth. Our studies show that claims that "categorical perception" effects protect facial affect from temporal degradation are illusory. Preserving motion is essential, even at the cost of image compression.