PanoWorld: Geometry-Consistent Panoramic Video World Modeling

• URL: http://arxiv.org/abs/2605.15391v1
• Date: Thu, 14 May 2026 20:24:23 GMT
• Title: PanoWorld: Geometry-Consistent Panoramic Video World Modeling
• Abstract summary: We present PanoWorld, a panoramic video world model that generates geometry-consistent 360$degree$ video from a single image and a caption.<n> Experiments show that PanoWorld improves geometric consistency over prior panoramic generation methods while maintaining competitive visual realism.
• Score: 31.274777055274345
• License: http://creativecommons.org/licenses/by-nc-nd/4.0/
• Abstract: We present PanoWorld, a panoramic video world model that generates geometry-consistent 360$\degree$ video from a single image and a caption. Existing panoramic video methods optimize primarily for visual realism and do not explicitly constrain the underlying 3D scene state, producing outputs that appear plausible yet exhibit inconsistent depth, broken correspondences, and implausible motion across the spherical surface. We address this gap by framing panoramic video generation as a geometry- and dynamics-consistent latent state modeling problem rather than pure visual synthesis. Building on a pre-trained perspective video world model, we introduce two lightweight regularizers: a depth consistency loss against pseudo ground-truth panoramic depth, and a trajectory consistency loss that supervises the 3D world-frame positions of tracked points across time. We further apply spherical-geometry-aware adaptation to the conditioning and positional encoding. We additionally introduce PanoGeo, a unified geometry-aware panoramic video dataset with consistent depth, trajectory, and prompt annotations across diverse real and synthetic sources, used for both training and stratified evaluation. Experiments show that PanoWorld improves geometric consistency over prior panoramic generation methods while maintaining competitive visual realism, establishing that panoramic video generation must be treated as a geometric modeling problem to support the holistic spatial understanding requirements of embodied AI applications. Code is available at https://github.com/ostadabbas/PanoWorld.

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