Author

Shin-Fang Chng

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Preprint Oct 2026

SpaTime: Streaming Vision-Language Models for Spatio-temporal Reasoning

Embodied agents must reason about 3D space while the video is still arriving, answering questions as soon as they have observed enough of the scene. VLMs that incorporate 3D geometric priors achieve strong spatial reasoning, but they operate offline, i.e., the full video must be available before they produce an answer....

Hai-Rong Yin, Huang-Ying Zhan, Shin-Fang Chng et al. · 0 citations

Preprint Sep 2026

StereoGaussians: Feed-Forward 3D Gaussian Splatting from Stereo Images

Feed-forward 3D Gaussian Splatting (3DGS) enables reconstruction without per- scene optimisation, but practical stereo-camera applications require nearby-view extrapolation beyond the input views. Stereo depth anchors visible surfaces, yet rendering newly exposed regions also requires learned appearance and additional...

Bo-Yuan Tian, Huang-Ying Zhan, Zhan Li et al. · 0 citations

Preprint Sep 2026

4DGS-Fixer: Generative Sparse-View 4D Gaussian Splatting with Iterative Refinement Guided by Video Diffusion Priors

This paper proposes a novel iterative refinement framework based on a video diffusion model to improve the completeness and consistency of dynamic 4D scenes, and substantially outperforms existing baselines.

Hai-Tao Huang, Sheng-Hao Zhao, Bo-Yuan Tian et al. · 0 citations