Improving pain recognition through better utilisation of temporal information. - Patrick Lucey; Jessica Howlett; Jeffrey F. Cohn; Simon Lucey; Sridha Sridharan; Zara Ambadar (AVSP, 2008)

Automatically Detecting Pain in Video Through Facial Action Units. - Patrick Lucey; Jeffrey F. Cohn; Iain A. Matthews; Simon Lucey; Sridha Sridharan; Jessica Howlett; Kenneth M. Prkachin (IEEE Trans. Syst. Man Cybern. Part B, 2011)