Zensei: Embedded, Multi-electrode Bioimpedance Sensing for Implicit, Ubiquitous User Recognition. - Munehiko Sato; Rohan S. Puri; Alex Olwal; Yosuke Ushigome; Lukas Franciszkiewicz; Deepak Chandra; Ivan Poupyrev; Ramesh Raskar (CHI, 2017)