Israeli 3D imaging company Mantis Vision has just acquired Israeli AI (Artificial Intelligence) startup BrainVu. BrainVu uses machine vision (e.g. of eye dynamics and blood flow) to identify the mental state (e.g. stress levels) of a person from images captured by a smartphone camera.
https://www.calcalistech.com/ctech/articles/0,7340,L-3745670,00.html