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Article

Impact of View-Dependent Image-Based Effects on Perception of Visual Realism and Presence in Virtual Reality Environments Created Using Multi-Camera Systems

1
Center for Robotics, MINES ParisTech, PSL University, 75006 Paris, France
2
JON LAB, 78790 Tilly, France
*
Author to whom correspondence should be addressed.
Academic Editors: Diego Gutierrez, Ana Serrano and Qi Sun
Appl. Sci. 2021, 11(13), 6173; https://doi.org/10.3390/app11136173
Received: 2 June 2021 / Revised: 23 June 2021 / Accepted: 28 June 2021 / Published: 2 July 2021
(This article belongs to the Special Issue New Frontiers in Virtual Reality: Methods, Devices and Applications)
Several recent works have presented image-based methods for creating high-fidelity immersive virtual environments from photographs of real-world scenes. In this paper, we provide a user-centered evaluation of such methods by way of a user study investigating their impact on viewers’ perception of visual realism and sense of presence. In particular, we focus on two specific elements commonly introduced by image-based approaches. First, we investigate the extent to which using dedicated image-based rendering algorithms to render the scene with view-dependent effects (such as specular highlights) causes users to perceive it as being more realistic. Second, we study whether making the scene fade out beyond a fixed volume in 3D space significantly reduces participants’ feeling of being there, examining different sizes for this viewing volume. To provide details on the virtual environment used in the study, we also describe how we recreated a museum gallery for room-scale virtual reality using a custom-built multi-camera rig. The results of our study show that using image-based rendering to render view-dependent effects can effectively enhance the perception of visual realism and elicit a stronger sense of presence, even when it implies constraining the viewing volume to a small range of motion. View Full-Text
Keywords: image-based rendering; view-dependent effects; multi-camera; virtual reality; user study; visual realism; presence image-based rendering; view-dependent effects; multi-camera; virtual reality; user study; visual realism; presence
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MDPI and ACS Style

de Dinechin, G.D.; Paljic, A.; Tanant, J. Impact of View-Dependent Image-Based Effects on Perception of Visual Realism and Presence in Virtual Reality Environments Created Using Multi-Camera Systems. Appl. Sci. 2021, 11, 6173. https://doi.org/10.3390/app11136173

AMA Style

de Dinechin GD, Paljic A, Tanant J. Impact of View-Dependent Image-Based Effects on Perception of Visual Realism and Presence in Virtual Reality Environments Created Using Multi-Camera Systems. Applied Sciences. 2021; 11(13):6173. https://doi.org/10.3390/app11136173

Chicago/Turabian Style

de Dinechin, Grégoire D., Alexis Paljic, and Jonathan Tanant. 2021. "Impact of View-Dependent Image-Based Effects on Perception of Visual Realism and Presence in Virtual Reality Environments Created Using Multi-Camera Systems" Applied Sciences 11, no. 13: 6173. https://doi.org/10.3390/app11136173

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