Dhall, Abhinav2015-12-10September9780769550480http://hdl.handle.net/1885/65922With the advances in the computer vision in the past few years, analysis of human facial expressions has gained attention. Facial expression analysis is now an active field of research for over two decades now. However, still there are a lot of questions201310.1109/ACII.2013.1112015-12-10