Presence-enhancing real walking user interface for first-person video games
Proceedings of the 2009 ACM SIGGRAPH Symposium on Video Games
Transitional environments enhance distance perception in immersive virtual reality systems
Proceedings of the 6th Symposium on Applied Perception in Graphics and Visualization
3D spatial interaction: applications for art, design, and science
ACM SIGGRAPH 2011 Courses
Virtual travel collisions: Response method influences perceived realism of virtual environments
ACM Transactions on Applied Perception (TAP)
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In order to increase a user’s sense of presence in an artificial environment some researchers propose a gradual transition from reality to the virtual world instead of immersing users into the virtual world directly. One approach is to start the VR experience in a virtual replica of the physical space to accustom users to the characteristics of VR, e. g., latency, reduced field of view or tracking errors, in a known environment. Although this procedure is already applied in VR demonstrations, until now it has not been verified whether the usage of such a transitional environment – as transition between real and virtual environment – increases someone’s sense of presence. We have observed subjective, physiological and behavioral reactions of subjects during a fully-immersive flight phobia experiment under two different conditions: the virtual flight environment was displayed immediately, or subjects visited a transitional environment before entering the virtual flight environment. We have quantified to what extent a gradual transition to the VE via a transitional environment increases the level of presence. We have found that subjective responses show significantly higher scores for the user’s sense of presence, and that subjects’ behavioral reactions change when a transitional environment is shown first. Considering physiological reactions, no significant difference could be found.