SRGS: Super-Resolution 3D Gaussian Splatting
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arXiv
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| Format: | Preprint |
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2024
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| _version_ | 1866911530610589696 |
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| author | Feng, Xiang He, Yongbo Chen, Linxi Yang, Yan Wang, Chengkai Chen, Yifei Zhong, Yixuan Kuang, Zhenzhong ding, Jiajun Yin, Xufei Zhu, Yanming |
| author_facet | Feng, Xiang He, Yongbo Chen, Linxi Yang, Yan Wang, Chengkai Chen, Yifei Zhong, Yixuan Kuang, Zhenzhong ding, Jiajun Yin, Xufei Zhu, Yanming |
| contents | Low-resolution (LR) multi-view capture limits the fidelity of 3D Gaussian Splatting (3DGS). 3DGS super-resolution (SR) is therefore important, yet challenging because it must recover missing high-frequency details while enforcing cross-view geometric consistency. We revisit SRGS, a simple baseline that couples plug-in 2D SR priors with geometry-aware cross-view regularization, and observe that most subsequent advances follow the same paradigm, either strengthening prior injection, refining cross-view constraints, or modulating the objective. However, this shared structure is rarely formalized as a unified objective with explicit modules, limiting principled attribution of improvements and reusable design guidance. In this paper, we formalize SRGS as a unified modular framework that factorizes 3DGS SR into two components, prior injection and cross-view regularization, within a joint objective. This abstraction subsumes a broad family of recent methods as instantiations of the same recipe, enabling analysis beyond single-method innovation. Across five public benchmarks, we consolidate nine representative follow-up methods and trace reported improvements to specific modules and settings. Ablations disentangle the roles of priors and consistency, and stress tests under sparse-view input and challenging capture conditions characterize robustness. Overall, our study consolidates 3DGS SR into a coherent foundation and offers practical guidance for robust, comparable 3DGS SR methods. |
| format | Preprint |
| id |
arxiv_https___arxiv_org_abs_2404_10318 |
| institution | arXiv |
| publishDate | 2024 |
| record_format | arxiv |
| spellingShingle | SRGS: Super-Resolution 3D Gaussian Splatting Feng, Xiang He, Yongbo Chen, Linxi Yang, Yan Wang, Chengkai Chen, Yifei Zhong, Yixuan Kuang, Zhenzhong ding, Jiajun Yin, Xufei Zhu, Yanming Computer Vision and Pattern Recognition Low-resolution (LR) multi-view capture limits the fidelity of 3D Gaussian Splatting (3DGS). 3DGS super-resolution (SR) is therefore important, yet challenging because it must recover missing high-frequency details while enforcing cross-view geometric consistency. We revisit SRGS, a simple baseline that couples plug-in 2D SR priors with geometry-aware cross-view regularization, and observe that most subsequent advances follow the same paradigm, either strengthening prior injection, refining cross-view constraints, or modulating the objective. However, this shared structure is rarely formalized as a unified objective with explicit modules, limiting principled attribution of improvements and reusable design guidance. In this paper, we formalize SRGS as a unified modular framework that factorizes 3DGS SR into two components, prior injection and cross-view regularization, within a joint objective. This abstraction subsumes a broad family of recent methods as instantiations of the same recipe, enabling analysis beyond single-method innovation. Across five public benchmarks, we consolidate nine representative follow-up methods and trace reported improvements to specific modules and settings. Ablations disentangle the roles of priors and consistency, and stress tests under sparse-view input and challenging capture conditions characterize robustness. Overall, our study consolidates 3DGS SR into a coherent foundation and offers practical guidance for robust, comparable 3DGS SR methods. |
| title | SRGS: Super-Resolution 3D Gaussian Splatting |
| topic | Computer Vision and Pattern Recognition |
| url | https://arxiv.org/abs/2404.10318 |