Introduction to the "Best of ACII 2013" Special Section
The papers in this special section were presented at the 6th Biannual International Conference on Affective Computing and Intelligent Interaction (ACII 2013), held from September 2-5, 2013, in Geneva, Switzerland. These papers reflect the diversity of affective computing research, ranging from physiological models for affect detection, methodological issues, computational models of affect, and human perceptions of affective virtual agents.