Contribution to the Study of 3D Interaction Techniques and Sensory Feedbacks for Improving Navigation and Walking in Virtual Reality

Léo Terziman 1
1 VR4I - Virtual Reality for Improved Innovative Immersive Interaction
IRISA - Institut de Recherche en Informatique et Systèmes Aléatoires, ENS Cachan - École normale supérieure - Cachan, Inria Rennes – Bretagne Atlantique
Abstract : First-person navigation in Virtual Environments (VE) is essential to many Virtual Reality (VR) application such as training simulation or virtual visits of museum or architectural projects. Navigation techniques must provide an efficient and ecological way to explore the VE. Moreover, as in any VR application, the immersion of the users is also a primordial component of a successful simulation. In this Ph.D. thesis, we proposed new 3D interaction and sensory feedback techniques to improve the navigation in VR. Therefore, our contribution can be decomposed into two main parts: (1) a new interaction technique for efficient and ecological navigation in VR and (2) new sensory feedback techniques designed to improve the immersion and sensation of walking of the users during the navigation. For each of the proposed techniques, we conducted extensive evaluations to validate that their objectives were completely fulfilled. In the first part, we proposed the Shake-Your-Head (SYH) technique as a new navigation technique for VR. This technique tracks the movements of the user head when walking-in-place in front of the screen to produce a navigation simulating the walk, as well as jumping or crawling. We found that our technique can be used efficiently on complex trajectories and is easy to learn. Moreover, this technique was highly appreciated by the users. In the second part, we proposed the King Kong Effects (KKE) technique to simulate visual and vibrotactile information produced at each step. We also proposed improved Camera Motions (CM) to simulate the head motions when walking, running and sprinting. Moreover, our CM are adapted to the virtual human age, gender, weight and fitness, as well as the slope of the VE. The KKE increase the sensation of walking in VE and was also highly appreciated by the users. Moreover, the different parameters of the CM were correctly perceived by the participants.
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Léo Terziman. Contribution to the Study of 3D Interaction Techniques and Sensory Feedbacks for Improving Navigation and Walking in Virtual Reality. Graphics [cs.GR]. INSA de Rennes, 2012. English. ⟨tel-00767488⟩

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