@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}
}
