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I3D '90 Proceedings of the 1990 symposium on Interactive 3D graphics
The Haptic Perception of Texture in Virtual Environments: An Investigation with Two Devices
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EuroHaptics '08 Proceedings of the 6th international conference on Haptics: Perception, Devices and Scenarios
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Advances in Human-Computer Interaction
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This paper describes experiments relating to the perception of the roughness of simulated surfaces via the haptic and visual senses. Subjects used a magnitude estimation technique to judge the roughness of "virtual gratings" presented via a PHANToM haptic interface device, and a standard visual display unit. It was shown that under haptic perception, subjects tended to perceive roughness as decreasing with increased grating period, though this relationship was not always statistically significant. Under visual exploration, the exact relationship between spatial period and perceived roughness was less well defined, though linear regressions provided a reliable approximation to individual subjects' estimates.