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Photorealistic Learned Landscapes for Augmented Reality
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VRGaussianAvatar: Integrating 3D Gaussian Avatars into VR.

Hail Song, Boram Yoon, Seokhwan Yang

    IEEE Transactions on Visualization and Computer Graphics
    |April 6, 2026
    PubMed
    Summary
    This summary is machine-generated.

    VRGaussianAvatar creates realistic full-body 3D Gaussian Splatting (3DGS) avatars in virtual reality (VR) using only head-mounted display (HMD) tracking. This system enhances user embodiment and realism in VR experiences.

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    Area of Science:

    • Computer Graphics
    • Virtual Reality
    • Human-Computer Interaction

    Background:

    • Real-time avatar generation is crucial for immersive virtual reality (VR).
    • Existing methods often struggle with full-body representation and rendering efficiency.
    • 3D Gaussian Splatting (3DGS) offers high-fidelity rendering but requires efficient integration into VR.

    Purpose of the Study:

    • To develop an integrated system for real-time, full-body 3D Gaussian Splatting (3DGS) avatars in VR.
    • To enable avatar generation using only head-mounted display (HMD) tracking signals.
    • To improve the efficiency and visual quality of stereoscopic rendering for VR avatars.

    Main Methods:

    • A parallel pipeline with a VR Frontend for pose estimation (inverse kinematics) and a GA Backend for 3DGS rendering.
    • Stereoscopic rendering of 3DGS avatars from single-image reconstructions.
    • Introduction of Binocular Batching for efficient joint processing of stereo views.

    Main Results:

    • VRGaussianAvatar sustains interactive VR performance.
    • The system achieves higher perceived appearance similarity, embodiment, and plausibility compared to mesh avatars.
    • Quantitative performance tests and user studies validate the system's effectiveness.

    Conclusions:

    • VRGaussianAvatar provides a novel solution for real-time, high-fidelity full-body avatars in VR.
    • The proposed Binocular Batching significantly improves rendering efficiency for high-resolution VR displays.
    • The system enhances the immersive experience by improving avatar realism and user embodiment.