InfiniSplat v2: Analyzing and ImprovingFeed-Forward 3DGS from Any Views

Yongzhen Hu1,2*Hao Yu1*Jiawei Wang1Xianming Zeng2Jianyun Xu2Xingliang Liu2Ruizhen Hu3Xiaowei Zhou1Hujun Bao1Sida Peng1†
1 Zhejiang University2 Hello TransTech3 Shenzhen University

* Equal contribution · † Corresponding author

PaperCodeHugging Face Demo

TL;DR

Demo

Comparison between Reconstructed Gaussians and Point Clouds

GaussiansPoint Clouds
Point CloudsGaussians

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Comparison

Ours
DA3-GS
WorldMirror 2.0
tttLRM
ReSplat

Objects

Objects, example 1: Ours Objects, example 1: DA3-GS Objects, example 1: WorldMirror 2.0 Objects, example 1: tttLRM Objects, example 1: ReSplat Objects, example 2: Ours Objects, example 2: DA3-GS Objects, example 2: WorldMirror 2.0 Objects, example 2: tttLRM Objects, example 2: ReSplat Objects, example 3: Ours Objects, example 3: DA3-GS Objects, example 3: WorldMirror 2.0 Objects, example 3: tttLRM Objects, example 3: ReSplat

Scenes

Scenes, example 1: Ours Scenes, example 1: DA3-GS Scenes, example 1: WorldMirror 2.0 Scenes, example 1: tttLRM Scenes, example 1: ReSplat Scenes, example 2: Ours Scenes, example 2: DA3-GS Scenes, example 2: WorldMirror 2.0 Scenes, example 2: tttLRM Scenes, example 2: ReSplat Scenes, example 3: Ours Scenes, example 3: DA3-GS Scenes, example 3: WorldMirror 2.0 Scenes, example 3: tttLRM Scenes, example 3: ReSplat Scenes, example 4: Ours Scenes, example 4: DA3-GS Scenes, example 4: WorldMirror 2.0 Scenes, example 4: tttLRM Scenes, example 4: ReSplat Scenes, example 5: Ours Scenes, example 5: DA3-GS Scenes, example 5: WorldMirror 2.0 Scenes, example 5: tttLRM Scenes, example 5: ReSplat Scenes, example 6: Ours Scenes, example 6: DA3-GS Scenes, example 6: WorldMirror 2.0 Scenes, example 6: tttLRM Scenes, example 6: ReSplat

Large-scale Reconstruction

Large-scale feed-forward reconstruction on KITTI · 1,000+ frames.

Acknowledgements

We are grateful to Yujie Guo for insightful discussions on experimental analysis and the interpretation of our results. These exchanges helped us examine our findings more critically and improve the clarity of our experimental discussion.

Citation

@article{hu2026infinisplatv2,
  title={InfiniSplat v2: Analyzing and Improving Feed-Forward 3DGS from Any Views},
  author={Hu, Yongzhen and Yu, Hao and Wang, Jiawei and Zeng, Xianming and Xu, Jianyun and Liu, Xingliang and Hu, Ruizhen and Zhou, Xiaowei and Bao, Hujun and Peng, Sida},
  journal={arXiv preprint},
  eprint={},
  year={2026}
}