Use the data set needs its own signed an agreement to send a message to the author download, so due to copyright issues, where it can only provide the Download and methods, and not directly to the data set in this
SMIC: http://www.cse.oulu.fi/SMICDatabase
SAMM data sets: http://www2.docm.mmu.ac.uk/STAFF/M.Yap/dataset.php
CASME, CASME2, CAS (the ME) ^ 2: http://fu.psych.ac.cn/CASME/casme.php (linking point into, in the right column corresponding three datasets)
Related match conference:
MEGC2018:http://www2.docm.mmu.ac.uk/STAFF/m.yap/FG2018Workshop.htm
MEGC2019: https://facial-micro-expressiongc.github.io/MEGC2019/