@article {3223, title = {A Multimodal Perception Framework for Users Emotional State Assessment in Social Robotics}, journal = {FUTURE INTERNET}, volume = {9}, year = {2017}, keywords = {human-robot interaction, multimodality, perception framework, physiological signal acquisition, social robotics}, doi = {10.3390/fi9030042}, author = {Cominelli, L. and N. Carbonaro and D. Mazzei and R. Garofalo and A. Tognetti and D. De Rossi} }