App detects emotional state from walking style

The Stack | Scientists propose app that detects emotions based on walking style

Chinese scientists are developing a methodology to identify and report a person’s emotional state based on the way they are walking, with the intention of incorporating a practical application of the research into a mobile app and a smart bracelet.

Identifying Emotion from Natural Walking [PDF] outlines a study in which 59 young people from the University of Chinese Academy of Sciences (UCAS) at Beijing were fitted with two specially outfitted Samsung Galaxy S2 smartphones, with one Samsung Tab functioning as the Android-based platform, recording accelerometer data at a 5hz sample frequency from a Galaxy attached to both the wrist and the ankle.