Color-Based Sensing of Bending Deformation on Soft Robots. - Rob B. N. Scharff; Rens M. Doornbusch; Xander L. Klootwijk; Ajinkya A. Doshi; Eugeni L. Doubrovski; Jun Wu 005; Jo M. P. Geraedts; Charlie C. L. Wang (ICRA, 2018)