Author

Si-Dun Liu

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Preprint Sep 2026

IRIS: Implicit Rendering Matters for Pose-Free Novel View Synthesis

Novel view synthesis from unposed multi-view images remains challenging, as the model must jointly learn scene representations and camera parameters without pose supervision. Existing approaches largely fall into two extremes: implicit latent-space rendering is flexible and easy to optimize, but often yields weakly gro...

Wen-Yu Li, Si-Dun Liu, P. Qiao et al. · 0 citations

Preprint Aug 2026

LocusGS: Spatially Grounded Tokens for Feed-Forward 3D Gaussian Splatting

Recent query-based feed-forward 3DGS methods represent a scene using learnable queries, each aggregating multi-view evidence and decoding a group of Gaussians. Ideally, different queries should specialize in coherent local regions of the scene. However, we observe that Gaussians decoded from the same query often scatte...

Wen-Yu Li, Si-Dun Liu, Tong-Rui Hu et al. · 0 citations