Secrets of a smile? Your gender and perhaps your biometric identity
Hassan Ugail · Biometric Technology Today · 2018
With its numerous applications, automatic facial emotion recognition has recently become a very active area of research. Yet there has been little detailed study of the dynamic components of facial expressions. This article reviews research that shows gender is encoded in the dynamics of a smile, and how it may be possible to use the dynamic components of facial expressions as a form of biometric.