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Author

Zijia Dai

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Preprint Aug 2026

Manifold4D: Denoising on Point Cloud Rendered Manifolds for Video Re-shooting

Manifold4D is proposed, which injects the render directly into the initial noise of flow matching, so that generation no longer departs from standard Gaussian noise but from a geometry-bearing noise distribution that is term the point cloud rendered manifold, leaving the source video as the only visual condition.

Yongbo Mao, Zijia Dai, Zhi-Shu Liu et al. · 0 citations

FastEventDGS: Deformable Gaussian Splatting for Fast Dynamic Scenes from a Single Event Camera

This work introduces FastEventDGS, a novel Deformable Gaussian Splatting-based framework that leverages a single event camera for high-fidelity 4D reconstruction in dynamic scenes and proposes a local patch event motion loss to constrain object motion, effectively mitigating over-fitting.

Zijia Dai, Nico Messikommer, Rong Zou et al. · 0 citations

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