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---
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license: mit
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---
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license: mit
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pipeline_tag: image-to-3d
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---
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<p align="center">
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<h1 align="center">VolSplat: Rethinking Feed-Forward 3D Gaussian Splatting with Voxel-Aligned Prediction</h1>
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<p align="center">
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<a href="https://lhmd.top">Weijie Wang*</a>
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路
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<a href="https://github.com/Alresd">Yeqing Chen*</a>
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路
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<a href="https://steve-zeyu-zhang.github.io">Zeyu Zhang</a>
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路
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<a href="https://liuhengyu321.github.io">Hengyu Liu</a>
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路
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<a href="https://wang-haoxiao.github.io">Haoxiao Wang</a>
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路
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<a href="https://scholar.google.com/citations?user=4HaLG0oAAAAJ">Zhiyuan Feng</a>
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路
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<a href="https://scholar.google.com/citations?user=TE9stNgAAAAJ">Wenkang Qin</a>
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路
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<a href="http://www.zhengzhu.net/">Zheng Zhu</a>
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路
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<a href="https://donydchen.github.io">Donny Y. Chen</a>
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路
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<a href="https://bohanzhuang.github.io">Bohan Zhuang</a>
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</p>
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<h3 align="center"><a href="https://arxiv.org/abs/2505.23734">Paper</a> | <a href="https://lhmd.top/volsplat">Project Page</a> | <a href="https://github.com/ziplab/VolSplat">Code</a> | <a href="https://huggingface.co/lhmd/VolSplat">Models</a> </h3>
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<div align="center"></div>
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</p>
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<p align="center">
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<a href="">
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<img src="https://lhmd.top/volsplat/assets/teaser_horizontal.jpg" alt="Logo" width="100%">
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</a>
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</p>
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Pixel-aligned feed-forward 3DGS methods suffer from two primary limitations: 1) 2D feature matching struggles to effectively resolve the multi-view alignment problem, and 2) the Gaussian density is constrained and cannot be adaptively controlled according to scene complexity. We propose VolSplat, a method that directly regresses Gaussians from 3D features based on a voxel-aligned prediction strategy. This approach achieves adaptive control over scene complexity and resolves the multi-view alignment challenge.
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## Method
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<p align="center">
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<a href="">
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<img src="https://lhmd.top/volsplat/assets/pipeline.jpg" alt="Logo" width="100%">
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</a>
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</p>
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<strong>Overview of VolSplat</strong>. Given multi-view images as input, we first extract 2D features for each image using a Transformer-based network and construct per-view cost volumes with plane sweeping. Depth Prediction Module then estimates a depth map for each view, which is used to unproject the 2D features into 3D space to form a voxel feature grid. Subsequently, we employ a sparse 3D decoder to refine these features in 3D space and predict the parameters of a 3D Gaussian for each occupied voxel. Finally, novel views are rendered from the predicted 3D Gaussians.
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## TODOs
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- [ ] Release Code.
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- [ ] Release Model Checkpoints.
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## Citation
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If you find our work useful for your research, please consider citing us:
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```bibtex
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@article{wang2025volsplat,
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title={VolSplat: Rethinking Feed-Forward 3D Gaussian Splatting with Voxel-Aligned Prediction},
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author={Wang, Weijie and Chen, YeQing and Zhang, Zeyu and Liu, Hengyu and Wang, Haoxiao and Feng, Zhiyuan and Qin, Wenkang and Zhu, Zheng and Chen, Donny Y. and Zhuang, Bohan},
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journal={},
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year={2025}
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}
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```
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## Contact
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If you have any questions, please create an issue on this repository or contact at wangweijie@zju.edu.cn.
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## Acknowledgements
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This project is developed with [DepthSplat](https://github.com/cvg/depthsplat). We thank the original authors for their excellent work.
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