Transcription of Chapter 11. Facial Expression Analysis
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Chapter 11. Facial Expression Analysis
Chapter 11. Facial Expression AnalysisYing-Li Tian,1 Takeo Kanade2, and Jeffrey F. Cohn2,31 IBM T. J. Watson Research Center, Hawthorne, NY 10532, Institute, Carnegie Mellon University, Pittsburgh, PA 15213, of Psychology, University of Pittsburgh, Pittsburgh, PA 15260, Principles of Facial Expression What Is Facial Expression Analysis ? Facial expressions are the Facial changes in response to a person s internal emotional states,intentions, or social communications. Facial Expression Analysis has been an active researchtopic for behavioral scientists since the work of Darwin in 1872 [18,22,25,71]. Suwa etal. [76] presented an early attempt to automatically analyze Facial expressions by tracking themotion of 20 identified spots on an image sequence in 1978.
expression analysis system. After the face is located, the next step is to extract and represent the facial changes caused by facial expressions. In facial feature extraction for expression analysis, there are mainly two ... image to extract a feature vector. Depending on the different facial feature extraction meth-ods, the effects of in-plane ...
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