Pervasive and unobtrusive emotion sensing for human mental health. - Rui Guo; Shuangjiang Li; Li He; Wei Gao 006; Hairong Qi 001; Gina Owens (PervasiveHealth, 2013)

MoodMagician: a pervasive and unobtrusive emotion sensing system using mobile phones for improving human mental health. - Shuangjiang Li; Rui Guo; Li He; Wei Gao 006; Hairong Qi 001; Gina Owens (SenSys, 2014)