SoftAR: visually manipulating haptic softness perception in spatial augmented reality

IEEE Transactions on Visualization and Computer Graphics
Parinya PunpongsanonKosuke Sato

Abstract

We present SoftAR, a novel spatial augmented reality (AR) technique based on a pseudo-haptics mechanism that visually manipulates the sense of softness perceived by a user pushing a soft physical object. Considering the limitations of projection-based approaches that change only the surface appearance of a physical object, we propose two projection visual effects, i.e., surface deformation effect (SDE) and body appearance effect (BAE), on the basis of the observations of humans pushing physical objects. The SDE visualizes a two-dimensional deformation of the object surface with a controlled softness parameter, and BAE changes the color of the pushing hand. Through psychophysical experiments, we confirm that the SDE can manipulate softness perception such that the participant perceives significantly greater softness than the actual softness. Furthermore, fBAE, in which BAE is applied only for the finger area, significantly enhances manipulation of the perception of softness. We create a computational model that estimates perceived softness when SDE+fBAE is applied. We construct a prototype SoftAR system in which two application frameworks are implemented. The softness adjustment allows a user to adjust the softness parameter of ...Continue Reading

References

May 19, 2009·IEEE Transactions on Image Processing : a Publication of the IEEE Signal Processing Society·Ajay Kumar, K Venkata Prathyusha
Jun 27, 2012·IEEE Transactions on Visualization and Computer Graphics·C Menk, Reinhard Koch
Jan 1, 2012·IEEE Transactions on Haptics· Seokhee JeonM Harders

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Citations

Apr 27, 2016·IEEE Transactions on Haptics·Carsten NeupertChristian Hatzfeld
May 7, 2020·Frontiers in Neurorobotics·Nikolaos KatzakisFrank Steinicke
Sep 29, 2021·Journal of Vision·Müge CavdanKatja Doerschner
Oct 22, 2020·Simulation in Healthcare : Journal of the Society for Simulation in Healthcare·Roshan DsouzaStephen A Boppart

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