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Techniques for Multiple Room Connection in Virtual Reality: Walking Within Small Physical Spaces.

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    Virtual Reality (VR) navigation in small spaces is enhanced by new room-connection techniques. These methods improve immersion and user experience for constrained physical environments.

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    Area of Science:

    • Virtual Reality
    • Human-Computer Interaction
    • Immersive Technologies

    Background:

    • Navigating limited physical spaces in Virtual Reality (VR) often necessitates non-walking locomotion methods like teleportation.
    • Walking-based VR navigation can significantly increase user immersion and presence.
    • Existing VR navigation techniques are not always optimized for small, constrained physical spaces common in home environments.

    Purpose of the Study:

    • To introduce and evaluate three novel room-connection techniques (portals, corridors, central hubs) for creating "impossible spaces" in VR.
    • To assess the effectiveness of these techniques in enabling natural walking-based navigation within small physical areas.
    • To investigate the impact of these techniques on user presence, cybersickness, spatial awareness, and overall user experience.

    Main Methods:

    • Development of three distinct room-connection techniques: portals, corridors, and central hubs.
    • Implementation of these techniques to create "impossible spaces" with overlapping physical areas.
    • User study with 33 participants evaluating navigation effectiveness in a 2.5 x 2.5 m physical space.

    Main Results:

    • All three room-connection techniques (portals, corridors, central hubs) were found to be viable for connecting virtual rooms.
    • Each technique demonstrated distinct characteristics, positively influencing presence, reducing cybersickness, and improving spatial awareness and orientation.
    • Portals offered flexibility, corridors provided seamless transitions, and central hubs simplified navigation.

    Conclusions:

    • Room-connection techniques can effectively adapt virtual environments (VEs) for small physical spaces, enhancing VR experiences for home users.
    • These methods facilitate natural, walking-based navigation, improving immersion and user satisfaction in constrained environments.
    • Applications in virtual tours, training simulations, and emergency preparedness can benefit from these adaptable VR navigation solutions.