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    Area of Science:

    • Human-computer interaction
    • Virtual reality systems
    • Perception science

    Background:

    • Haptic and visual feedback are crucial for immersive virtual reality.
    • Misalignment between visual cues and haptic feedback degrades user experience in CAVEs.
    • Accurate spatial perception is essential for effective interaction in virtual environments.

    Purpose of the Study:

    • To propose and evaluate a novel approach for resolving haptic-visual misalignment in CAVE systems.
    • To enhance user immersion and interaction fidelity by synchronizing perceived virtual object locations.
    • To investigate the effectiveness of different filtering strategies in correcting spatial discrepancies.

    Main Methods:

    • Developed an algorithm to reposition virtual screen button collision boxes based on user's perceived location.
    • Implemented and tested various filtering techniques to refine the alignment process.
    • Conducted evaluations using both computer simulations and real human subjects.

    Main Results:

    • The proposed approach effectively reduced haptic-visual misalignment in simulated and real-world CAVE scenarios.
    • Adjusting collision box positions to match perceived user location significantly improved spatial congruence.
    • Filtering strategies demonstrated varying degrees of success in optimizing the alignment accuracy.

    Conclusions:

    • The presented method offers a viable solution for correcting haptic-visual misalignment in CAVEs.
    • Aligning virtual elements with user perception is key to enhancing virtual reality immersion.
    • Further research into filtering techniques can optimize the performance of such alignment systems.