Abstract
Facial expressions are the basic input for visual emotion detection. They are of great importance in computer vision society. In last decade, substantial amount of work has been done in the field of facial expressions datasets. This survey covers all of the publically available databases in detail and provides necessary information about these sets. This review delivers comprehensive support to researchers in selection of their desired dataset. The datasets are organized in decreasing order of their importance with respect to diversity in expressions, poses, number of images and resolution. This survey also provides comprehensive tabular comparison of different face based databases.