Spatiotemporal analysis of RGB-D-T facial images for multimodal pain level recognition. - Ramin Irani; Kamal Nasrollahi; Marc Oliu Simon; Ciprian A. Corneanu; Sergio Escalera; Chris Bahnsen; Dennis H. Lundtoft; Thomas B. Moeslund; Tanja L. Pedersen; Maria-Louise Klitgaard; Laura Petrini (CVPR Workshops, 2015)