Velocity-Space 3D Asset Editing
Editing a 3D asset locally, modifying a target region while preserving the rest, is a fundamental requirement of native 3D editing. Existing methods enforce locality through mechanisms external to the generator, such as manual 3D masks, post-hoc voxel merging, or 2D multi-view lifting. None of them intervene where the corruption actually originates: inside the ODE sampler. For a rectified-flow generator to achieve faithful local editing, its velocity field should be strong over the target editing region while vanishing on preserved content. Yet a single velocity field can hardly satisfy both requirements simultaneously, leading to three problems: (i) identity leakage that keeps the edit s...
| Authors | Hao Liu, Yuxuan Lin, Jingfeng Guo et al. |
|---|---|
| Primary category | cs.GR |
| Published | 8 May 2026 |
| Last updated at source | 8 May 2026 |
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