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Application of a Relative Visual Performance Model in a Virtual Reality Immersive System

Article dans une revue avec comité de lecture
Author
PERROUD, Benoit
133641 Technocentre Renault [Guyancourt]
REGNIER, Stephane
133641 Technocentre Renault [Guyancourt]
KEMENY, Andras
133641 Technocentre Renault [Guyancourt]
543315 Laboratoire d’Ingénierie des Systèmes Physiques et Numériques [LISPEN]

URI
http://hdl.handle.net/10985/19464
DOI
10.1109/tvcg.2019.2909881
Date
2020
Journal
IEEE Transactions on Visualization and Computer Graphics

Abstract

As part of an evaluation process of user experience realism in a Virtual Reality (VR) system, we focus in this paper on one of the core characteristics of vision: the relationship between contrast and luminance. The experiment aims at validating in VR reaction time predictions given by Rea and Ouellette's model. The subjects have to distinguish, as fast as they can, a target object from an uniform background. Our results did not match the predictions of the model. Our subjects showed higher performance in performing the task than expected. At low level of contrast, our subjects could easily perceive a target they should not have been able to see at all. This is explained by the size of the visual field surrounding the target: at low level of visibility, the larger the surrounding, the easier perception the is. We conclude that the Rea and Ouellette's model could be applied in VR if a specific visual field size factor was added.

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