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Georgiou, Theodoros; Edwards, Alistair (2014)
Languages: English
Types: Other
Subjects:

Classified by OpenAIRE into

ACM Ref: ComputingMethodologies_COMPUTERGRAPHICS
Research in the area of haptics and how we perceive the sensations that come from haptic interaction started almost a century ago, yet there is little fundamental knowledge as to how and whether a change in the physical values of one characteristic can alter the perception of another. The increasing availability of haptic interaction through the development of force-feedback devices opened new possibilities in interaction. It allowed for accurate real time change of physical attributes on virtual objects in order to test the haptic perception changes to the human user. An experiment was carried out to ascertain whether a change in the stiffness value would have a\ud noticeable effect on the perceived roughness of a virtual object. Participants were presented with a textured surface and were asked to estimate how rough it felt compared to a standard. What the participants did not know was that the simulated texture on both surfaces remained constant and the only physical attribute changing in every trial was the comparison object’s surface stiffness. The results showed that there is a strong relationship between physical stiffness and perceived roughness that can be accurately described by a power function. Furthermore, the roughness magnitude estimations showed an increase with increasing stiffness values. The conclusion is that there are relationships between these parameters, but that further work is required to validate those relationships.
  • The results below are discovered through our pilot algorithms. Let us know how we are doing!

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    • Raspopovic, S., Capogrosso, M., Petrini, F. M., Bonizzato, M., Rigosa, J., Pino, G., et al. (2014). Restoring Natural Sensory Feedback in Real-Time Bidirectional Hand Prostheses. Science Translational Medicine , 6 (222).
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    • SensAble Technologies Inc. (2008). PHANTOM Omni User Manual. Woburn, United States of America: SensAble Technologies Inc.
    • Stevens, S. S. (1971). Issues in psychophysical measurement. Psychological review , 78 (5), 426-450.
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