The Timing of Facial Motion in posed and Spontaneous Smiles

  title={The Timing of Facial Motion in posed and Spontaneous Smiles},
  author={Jeffrey F. Cohn and Karen L. Schmidt},
Almost all work in automatic facial expression analysis has focused on recognition of prototypic expressions rather than dynamic changes in appearance over time. To investigate the relative contribution of dynamic features to expression recognition, we used automatic feature tracking to measure the relation between amplitude and duration of smile onsets in spontaneous and deliberate smiles of 81 young adults of Euroand African-American background. Spontaneous smiles were of smaller amplitude… CONTINUE READING
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Automatic recognition of eye blinking in spontaneously occurring behavior

  • J. F. Cohn, J. Xiao, T. Moriyama, Z. Ambadar, T. Kanade
  • Behavior Research Methods, Instruments, and…
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