Spontaneous facial expression in unscripted social interactions can be measured automatically

Behavior Research Methods (2015) - Comments
pubmed: 25488104 doi: 10.3758/s13428-014-0536-1 issn: 1554-3528

Jeffrey M. Girard, Jeffrey F. Cohn, Laszlo A. Jeni, Michael A. Sayette, Fernando De La Torre