CONF Lu_UBICOMP_2012/IDIAP StressSense: Detecting Stress in Unconstrained Acoustic Environments using Smartphones Lu, Hong Rabbi, Mashfiqui Chittaranjan, Gokul Frauendorfer, Denise Schmid Mast, Marianne Campbell, Andrew T. Gatica-Perez, Daniel Choudhury, Tanzeem mHealth model adaptation sensing stress user modeling EXTERNAL http://publications.idiap.ch/attachments/papers/2012/Lu_UBICOMP_2012.pdf PUBLIC Ubicomp'12 Pittsburgh 2012