Implementation and Evaluation of Touch-based Interaction Using Electrovibration Haptic Feedback in Virtual Environments

Zhao, Lu; Liu, Yue; Ye, Dejiang; Ma, Zhuoluo; Song, Weitao

doi:10.1109/vr46266.2020.1581066900344

Cited by 2 publications

(1 citation statement)

References 37 publications

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“…We decided to use the Unity game engine and Android Studio IDE for the prototype development, as they are free for personal usage and are standard development tools for VR and Android applications [3,22,39,60,88]. The prototype supports Android OS only for the purpose of installation simplicity.…”

Section: Softwarementioning

confidence: 99%

Selection Performance Using a Smartphone in VR with Redirected Input

Kyian¹

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We present a method to track a smartphone in VR using a fiducial marker displayed on the screen. Using WebRTC transmission protocol, we capture input on the smartphone touchscreen as well as the screen contents, copying them to a virtual representation in VR. We present two Fitts' law experiments assessing the performance of selecting targets displayed on the virtual smartphone screen using this method. The first compares direct vs. indirect input (i.e., virtual smartphone co-located with the physical smartphone, or not), and reveals there is no significant difference in performance due to input indirection. The second experiment assesses the influence of input scaling, i.e., decoupling the virtual cursor from the actual finger position on the smartphone screen so as to provide a larger virtual tactile surface. Results indicate a small effect for extreme scale factors. We discuss implications for the use of smartphones as input devices in VR.

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