Also you may check this website, it would help alot

http://www.eecs.qmul.ac.uk/mmv/datasets/deap/

here are 2 articles which may be useful...

If you are taking a comprehensive overview you should also look at these, they are about a specific technique which is likely to be relevant but will not show up in many survey papers:

Rothwell, J. Bandar, Z. O’Shea, J. McLean, D.

Silent talker: a new computer-based system for the analysis of facial cues to deception,

Journal of Applied Cognitive Psychology, Volume 20, Issue 6, pages 757–777, September 2006. doi: 10.1002/acp.1204

This is the pre-peer reviewed version of the article

which has been published in final form at http://onlinelibrary.wiley.com/doi/10.1002/acp.1204/abstract

Rothwell, J. Bandar, Z. O’Shea, J. McLean, D.

Charting the behavioural state of a person using a Backpropagation Neural Network.,

Journal of Neural Computing and Applications. DOI 10.1007/s00521-006-0055-9. 2006.

This is the pre-peer reviewed version of the article

which has been published in final form at http://dl.acm.org/citation.cfm?id=1267004&CFID=80812022&CFTOKEN=67342018

Check: Facial Action Coding System (FACS)

I found two good papers, published in  (2004):

http://www.cvauni.edu.vn/imgupload_dinhkem/file/Chuyen%20De%20HCI/3_%20Analysis%20of%20Emotion%20Recognition%20using%20facial%20expression-speech.pdf

and (2005):

http://www.nature.com/nrn/journal/v6/n8/full/nrn1724.html