1. Measuring facial expressions by computer image analysis;Bartlett;Psychophysiology,1999
2. Bartlett, M.S., Littlewort, G., Fasel, I., Movellan, J.R., 2003. Real time face detection and facial expression recognition: development and applications to human computer interaction. In: Conference on Computer Vision and Pattern Recognition Workshop, vol. 5.
3. Human and machine recognition of faces: a survey;Chellappa;IEEE Proceedings,1995
4. Use of automated facial image analysis for measurement of emotion expression;Cohn,2006
5. Cohn, J., Schmidt, K., Gross, R., Ekman, P., 2002. Individual differences in facial expression: stability over time, relation to self-reported emotion, and ability to inform person identification. In: Proceedings of the International Conference on Multimodal User Interfaces.