Leveraging Tendon Vibration to Enhance Pseudo-Haptic Perceptions in VR

Pseudo-haptic techniques are used to modify haptic perception by appropriately changing visual feedback to body movements. Based on the knowledge that tendon vibration can affect our somatosensory perception, this article proposes a method for leveraging tendon vibration to enhance pseudo-haptics du...

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Vydáno v:IEEE transactions on visualization and computer graphics Ročník 30; číslo 8; s. 5861 - 5874
Hlavní autoři: Hirao, Yutaro, Amemiya, Tomohiro, Narumi, Takuji, Argelaguet, Ferran, Lecuyer, Anatole
Médium: Journal Article
Jazyk:angličtina
Vydáno: United States IEEE 01.08.2024
The Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Témata:
Cross-modal integration
Elbow (anatomy)
Equivalence
Force
Haptic interfaces
Haptics
maximum likelyhood estimation
Muscles
pseudo-haptics
Somatosensory
tendon vibration
Tendons
Vibration
Vibration perception
Vibrations
virtual reality
Visualization
Wrist
ISSN:1077-2626, 1941-0506, 1941-0506
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Shrnutí:Pseudo-haptic techniques are used to modify haptic perception by appropriately changing visual feedback to body movements. Based on the knowledge that tendon vibration can affect our somatosensory perception, this article proposes a method for leveraging tendon vibration to enhance pseudo-haptics during free arm motion. Three experiments were performed to examine the impact of tendon vibration on the range and resolution of pseudo-haptics. The first experiment investigated the effect of tendon vibration on the detection threshold of the discrepancy between visual and physical motion. The results indicated that vibrations applied to the inner tendons of the wrist and elbow increased the threshold, suggesting that tendon vibration can augment the applicable visual motion gain by approximately 13% without users detecting the visual/physical discrepancy. Furthermore, the results demonstrate that tendon vibration acts as noise on haptic motion cues. The second experiment assessed the impact of tendon vibration on the resolution of pseudo-haptics by determining the just noticeable difference in pseudo-weight perception. The results suggested that the tendon vibration does not largely compromise the resolution of pseudo-haptics. The third experiment evaluated the equivalence between the weight perception triggered by tendon vibration and that by visual motion gain, that is, the point of subjective equality. The results revealed that vibration amplifies the weight perception and its effect was equivalent to that obtained using a gain of 0.64 without vibration, implying that the tendon vibration also functions as an additional haptic cue. Our results provide design guidelines and future work for enhancing pseudo-haptics with tendon vibration.
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ISSN:1077-2626
1941-0506
1941-0506
DOI:10.1109/TVCG.2023.3310001