Virtually-Extended Proprioception: Providing Spatial Reference in VR through an Appended Virtual Limb

Tian, Yang; Bai, Yuming; Zhao, Shengdong; Fu, Chi‐Wing; Yang, Tianpei; Heng, Pheng‐Ann

doi:10.1145/3313831.3376557

Cited by 9 publications

(5 citation statements)

References 35 publications

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“…Humans get information about the position of the body from vision, but also from proprioception, the ability to perceive self-movement and body position without seeing it [19], [51]. The mismatch between information from vision and proprioception is commonly used to design VR pseudo-haptic feedback [48]. Since VR HMDs can provide a visual space completely different from the real world, many VR pseudo-haptic feedback studies used the location offset between the real hand and the virtual hand to induce a mismatch between vision and proprioception, which is perceived as a weight perceptual illusion [18], [39], [40], [44].…”

Section: A Visual Pseudo-haptic Feedbackmentioning

confidence: 99%

“…showed that the visual pseudo-haptic feedback could modulate the reference weight (i.e., the weight of the VR controller) about ±5 g, which is very small for people to discriminate the weight difference. This might be partly due to the fact that the pseudo-haptic feedback based on the mismatch between visual information and proprioception is only effective in the near-body area [48].…”

Section: A Visual Pseudo-haptic Feedbackmentioning

confidence: 99%

“…Visual pseudo-haptic feedback has often been described as an illusion or a metaphor of the real-world sensation [9], [39], [41], [44]. Many studies have used the mismatch between the movement or position of the virtual hand and the real hand to induce the illusion of weight perception [35], [40], [41], [48]. Based on these studies, in the current study, we used linear interpolation on the hand position of each frame to generate the temporal mismatch between visual information and proprioception to simulate the sensation of heavy weight felt by lifting a real object.…”

Section: A Visual Pseudo-haptic Feedback Designmentioning

confidence: 99%

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The Effect of Multisensory Pseudo-Haptic Feedback on Perception of Virtual Weight

Kim

Lee

2022

IEEE Access

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Providing realistic haptic feedback of virtual objects is critical for immersive VR experience, and there have been many approaches to simulate haptic properties. Most of them, however, are limited to a narrow modulation range of simulated perception. To overcome this limitation, the current paper examines the effect of multisensory pseudo-haptic feedback that combines control-to-display (C/D) ratio manipulation and electrical muscle stimulation (EMS) on simulated weight perception. In two experiments, we independently manipulated the C/D ratio and EMS status and observed the effects on the absolute and difference thresholds of simulated weight perception. From the absolute thresholds results, we specify the effective range of C/D ratio that can successfully induce weight perception and show that the range can be more than twice widened by multisensory pseudo-haptic feedback. Furthermore, we demonstrate that the sensitivity to weight difference increases as the standard C/D ratio decreases from the difference thresholds results, which provides practical design guidelines for assigning multiple levels of weight to virtual objects. This study contributes to understanding the psychological effects of multisensory pseudo-haptic feedback on simulated weight perception in virtual reality.

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Section: A Visual Pseudo-haptic Feedbackmentioning

confidence: 99%

Section: A Visual Pseudo-haptic Feedbackmentioning

confidence: 99%

Section: A Visual Pseudo-haptic Feedback Designmentioning

confidence: 99%

See 1 more Smart Citation

The Effect of Multisensory Pseudo-Haptic Feedback on Perception of Virtual Weight

Kim

Lee

2022

IEEE Access

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“…This feedback was less appreciated than only an extended arm, without the real arm. More recently, an appended limb has been used as a spatial reference to extend proprioception and increase target selection [44]. This study found that people could feel a sense of ownership towards this limb, especially when they could control and move it prior to the selection task.…”

Section: Extended Body Representationsmentioning

confidence: 95%

Do You Need Another Hand? Investigating Dual Body Representations During Anisomorphic 3D Manipulation

Dewez

Hoyet

Lécuyer

et al. 2022

IEEE Trans. Visual. Comput. Graphics

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Fig. 1. Illustration of two types of dual body representation studied in this paper. On the left image, a ghost representation enables remote manipulation while a realistic co-located representation provides feedback with respect to the real user's position. On the right image, a ghost representation provides feedback with respect to the user's real position while a realistic representation enables precise manipulation with the environment thanks to slowed motion.

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“…Inspired by the concept of adding a virtual arm to a user's avatar to guide her freehand interaction [9], we propose a novel concept for inducing the illusion of kinesthetic feedback, kine-appendage. Kine-appendage adds a virtual appendage to the user's avatar hand.…”

Section: Kine-appendage Conceptmentioning

confidence: 99%

Kine-Appendage: Enhancing Freehand VR Interaction Through Transformations of Virtual Appendages

Tian

Bai

Zhao

et al. 2024

IEEE Trans. Visual. Comput. Graphics

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Kinesthetic feedback, the feeling of restriction or resistance when hands contact objects, is essential for natural freehand interaction in VR. However, inducing kinesthetic feedback using mechanical hardware can be cumbersome and difficult in commodity VR systems. We propose a novel approach for providing visual kinesthetic feedback, kine-appendage. It adds a virtual appendage to the user's avatar hand. During freehand interaction with virtual objects, the appendage exhibits visual transformations, including rotation and deformation, as it makes contact with the surfaces of objects, providing additional feedback to compensate for the loss of kinesthetic feedback in the virtual environment. A proof-of-concept kine-appendage technique, BrittleStylus, was designed to enhance freehand typing. Our empirical evaluation demonstrated that BrittleStylus significantly reduced the uncorrected error rate of naive freehand typing from 6.53% to 1.92% without compromising the typing speed. BrittleStylus also helps to induce a sense of kinesthetic feedback and significantly reduce the possibility of hand penetrating objects. Inspired by the success of BrittleStylus, we further discussed the potential of other kine-appendage techniques. INTRODUCTIONRecently, empowering commodity VR systems with hand tracking capability has become a trend, which makes freehand VR interaction, i.e., interacting with virtual objects using bare hands without extra hardware, available for common consumers. Freehand VR interaction is a promising interaction paradigm due to its convenient and direct characteristics. However, freehand VR interaction supported by

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Virtually-Extended Proprioception: Providing Spatial Reference in VR through an Appended Virtual Limb

Cited by 9 publications

References 35 publications

The Effect of Multisensory Pseudo-Haptic Feedback on Perception of Virtual Weight

The Effect of Multisensory Pseudo-Haptic Feedback on Perception of Virtual Weight

Do You Need Another Hand? Investigating Dual Body Representations During Anisomorphic 3D Manipulation

Kine-Appendage: Enhancing Freehand VR Interaction Through Transformations of Virtual Appendages

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