Fig. 2: Quantification of continuity.
From: Enhancing haptic continuity in virtual reality using a continuity reinforcement skeleton

a An 1D Continuity Reinforcement Skeleton (CRS) device. b Definition of distortion in haptic displays. c Measurement of distortion of a haptic display using Digital Image Correlation (DIC) Method. d Three basic configurations of haptic displays’ different \({D}_{P}\) and \({D}_{S}\) curves.