无需重建或优化，即可快速为3D高斯斑点直接上色。
Optimization-Free Style Transfer for 3D Gaussian Splats
- 构建斑点隐式表面的图结构，实现基于表面的前向风格迁移。
- 在消费级CPU上2分钟内完成风格化，无需额外训练。
- 支持直接对.ply/.splat文件操作，不依赖原始视角数据。
此前的3D高斯斑点风格迁移方法通常需重构或微调斑点，或在斑点表示上优化特征提取网络。本文提出一种无需重建和优化的风格迁移方法，可直接对 .ply 或 .splat 文件进行风格化，无需原始相机视图。通过在斑点表示的隐式表面上构建图结构，采用前馈式、基于表面的风格迁移方法，并将结果插值回场景中的各个斑点。该方法可在消费级CPU上实现2分钟内的快速风格化，且无需额外训练。我们展示了其高质量效果，并与现有3D高斯斑点风格迁移方法进行了对比。代码已公开于 https://github.com/davidmhart/FastSplatStyler。
原文摘要 · Abstract (English)
The task of style transfer for 3D Gaussian splats has been explored in many previous works, but these require reconstructing or fine-tuning the splat while incorporating style information or optimizing a feature extraction network on the splat representation. We propose a reconstruction- and optimization-free approach to stylizing 3D Gaussian splats, allowing for direct stylization on a .ply or .splat file without requiring the original camera views. This is done by generating a graph structure across the implicit surface of the splat representation. A feed-forward, surface-based stylization method is then used and interpolated back to the individual splats in the scene. This also allows for fast stylization of splats with no additional training, achieving speeds under 2 minutes even on CPU-based consumer hardware. We demonstrate the quality results this approach achieves and compare to other 3D Gaussian splat style transfer methods. Code is publicly available at https://github.com/davidmhart/FastSplatStyler.
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