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. Author manuscript; available in PMC: 2021 Nov 10.
Published in final edited form as: World Haptics Conf. 2019 Aug 29;2019:10.1109/whc.2019.8816159. doi: 10.1109/whc.2019.8816159

Figure 2.

Figure 2.

Example traces of touch force and displacement. Maximum force is defined at the peak. Fingertip displacement is defined as the relative displacement between initial movement and peak distance. The same linear regression is applied to the segmented curve from onset to ending to obtain the rate of change of force and displacement, defined as force-rate and displacement-rate respectively.