TY - GEN

T1 - Resized grasping in VR

AU - Bergström, Joanna

AU - Mottelson, Aske

AU - Knibbe, Jarrod

PY - 2019

Y1 - 2019

N2 - Previous work in VR has demonstrated how individual physical objects can represent multiple virtual objects in different locations by redirecting the user's hand. We show how individual objects can represent multiple virtual objects of different sizes by resizing the user's grasp. We redirect the positions of the user's fingers by visual translation gains, inducing an illusion that can make physical objects seem larger or smaller. We present a discrimination experiment to estimate the thresholds of resizing virtual objects from physical objects, without the user reliably noticing a difference. The results show that the size difference is easily detected when a physical object is used to represent an object less than 90% of its size. When physical objects represent larger virtual objects, however, then scaling is tightly coupled to the physical object's size: smaller physical objects allow more virtual resizing (up to a 50% larger virtual size). Resized Grasping considerably broadens the scope of using illusions to provide rich haptic experiences in virtual reality.

AB - Previous work in VR has demonstrated how individual physical objects can represent multiple virtual objects in different locations by redirecting the user's hand. We show how individual objects can represent multiple virtual objects of different sizes by resizing the user's grasp. We redirect the positions of the user's fingers by visual translation gains, inducing an illusion that can make physical objects seem larger or smaller. We present a discrimination experiment to estimate the thresholds of resizing virtual objects from physical objects, without the user reliably noticing a difference. The results show that the size difference is easily detected when a physical object is used to represent an object less than 90% of its size. When physical objects represent larger virtual objects, however, then scaling is tightly coupled to the physical object's size: smaller physical objects allow more virtual resizing (up to a 50% larger virtual size). Resized Grasping considerably broadens the scope of using illusions to provide rich haptic experiences in virtual reality.

KW - Illusion

KW - Redirected grasping

KW - Virtual reality

UR - http://www.mendeley.com/research/resized-grasping-vr-estimating-thresholds-object-discrimination

U2 - 10.1145/3332165.3347939

DO - 10.1145/3332165.3347939

M3 - Article in proceedings

SP - 1175

EP - 1183

BT - UIST '19: Proceedings of the 32nd Annual ACM Symposium on User Interface Software and Technology

PB - Association for Computing Machinery

Y2 - 20 October 2019 through 23 October 2019

ER -