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Mechanism of Integrating Force and Vibrotactile Cues for 3D User Interaction within Virtual Environments

Abstract : Proper integration of sensory cues facilitates 3D user interaction within virtual environments (VEs). Studies showed that the integration of visual and haptic cues follows maximum likelihood estimation (MLE). Little effort focuses however on the mechanism of integrating force and vibrotactile cues. We thus investigated MLE's suitability for integrating these cues. Within a VE, human users undertook 3D interaction of navigating a flying drone along a high-voltage transmission line for inspection. The users received individual force or vibrotactile cues, and their combinations in collocated and dislocated settings. The users' task performance including completion time and accuracy was assessed under each individual cue and setting. The presence of the vibrotactile cue promoted a better performance than the force cue alone. This agreed with the applicability of tactile cues for sensing 3D surfaces, herein setting a baseline for using MLE. The task performance under the collocated setting indicated a degree of combining the individual cues. In contrast, the performance under the dislocated setting was alike under the individual vibrotactile cue. These observations imply a possible role of MLE in integrating force and vibrotactile cues for 3D user interaction within VEs.
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Aïda Erfanian, Stanley Tarng, Yaoping Hu, Jérémy Plouzeau, Frédéric Merienne. Mechanism of Integrating Force and Vibrotactile Cues for 3D User Interaction within Virtual Environments. IEEE Virtual Reality, Mar 2017, Los Angeles, United States. pp.257-258, ⟨10.1109/VR.2017.7892274⟩. ⟨hal-01789058⟩

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