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VoxHammer: Training-Free Precise and Coherent 3D Editing in Native 3D Space

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arxiv 2508.19247 v1 pith:YXI2Q5MG submitted 2025-08-26 cs.CV

VoxHammer: Training-Free Precise and Coherent 3D Editing in Native 3D Space

classification cs.CV
keywords regionseditingpreservedvoxhammercoherentapproachconsistencydata
verification ladder T0 review T1 audit T2 compute T3 formal T4 reserved
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3D local editing of specified regions is crucial for game industry and robot interaction. Recent methods typically edit rendered multi-view images and then reconstruct 3D models, but they face challenges in precisely preserving unedited regions and overall coherence. Inspired by structured 3D generative models, we propose VoxHammer, a novel training-free approach that performs precise and coherent editing in 3D latent space. Given a 3D model, VoxHammer first predicts its inversion trajectory and obtains its inverted latents and key-value tokens at each timestep. Subsequently, in the denoising and editing phase, we replace the denoising features of preserved regions with the corresponding inverted latents and cached key-value tokens. By retaining these contextual features, this approach ensures consistent reconstruction of preserved areas and coherent integration of edited parts. To evaluate the consistency of preserved regions, we constructed Edit3D-Bench, a human-annotated dataset comprising hundreds of samples, each with carefully labeled 3D editing regions. Experiments demonstrate that VoxHammer significantly outperforms existing methods in terms of both 3D consistency of preserved regions and overall quality. Our method holds promise for synthesizing high-quality edited paired data, thereby laying the data foundation for in-context 3D generation. See our project page at https://huanngzh.github.io/VoxHammer-Page/.

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Forward citations

Cited by 15 Pith papers

Reviewed papers in the Pith corpus that reference this work. Sorted by Pith novelty score.

  1. GeM-NR: Geometry-Aware Multi-View Editing for Nonrigid Scene Changes

    cs.CV 2026-06 unverdicted novelty 7.0

    GeM-NR performs multi-view consistent nonrigid editing by aligning depth-derived point clouds between edited and unedited scenes then refining projections conditioned on the original query view.

  2. Velocity-Space 3D Asset Editing

    cs.GR 2026-05 unverdicted novelty 7.0

    VS3D performs local 3D asset editing by injecting reconstruction-anchored source signals, partial-mean guidance, and twin-agreement residuals into the velocity sampler to control edit strength and preserve identity.

  3. Beyond Prompts: Unconditional 3D Inversion for Out-of-Distribution Shapes

    cs.CV 2026-04 unverdicted novelty 7.0

    Text-to-3D models lose prompt sensitivity for out-of-distribution shapes due to sink traps but retain geometric diversity via unconditional priors, enabling a decoupled inversion method for robust editing.

  4. VecSet-Edit: Unleashing Pre-trained LRM for Mesh Editing from Single Image

    cs.CV 2026-02 unverdicted novelty 7.0

    VecSet-Edit is the first method to perform high-fidelity mesh editing from a single image by analyzing and manipulating spatial token subsets in a pre-trained VecSet LRM.

  5. ATATA: One Algorithm to Align Them All

    cs.CV 2026-01 unverdicted novelty 7.0

    ATATA enables fast joint inference of structurally aligned pairs using Rectified Flow models via segment transport, improving state-of-the-art for image and video generation while matching 3D quality at much higher speed.

  6. Make-It-Poseable: Feed-forward Latent Posing Model for 3D Characters

    cs.CV 2025-12 unverdicted novelty 7.0

    A latent-space transformer framework poses 3D characters without skinning or fixed topologies, outperforming baselines and generalizing zero-shot to quadrupeds.

  7. EditVerse3D: High-Quality 3D Object Editing with Region-Aware Learning

    cs.CV 2026-07 conditional novelty 6.0

    An end-to-end 3D editing framework achieves high-fidelity local edits from coarse bounding boxes and 2D image prompts using region-aware loss reweighting and a large-scale parts-derived training dataset.

  8. 3DMorph: Single-Image-Guided Local 3D Shape Editing and Morphing

    cs.CV 2026-06 unverdicted novelty 6.0

    3DMorph transfers local modifications from a single edited 2D image to the corresponding regions of a 3D mesh without training and supports shape morphing between original and edited versions.

  9. MeshReGen: A Unified 3D Geometry Regeneration Framework

    cs.CV 2026-04 unverdicted novelty 6.0

    MeshReGen introduces a conditioned 3D geometry regenerator with VecSet that learns a regeneration prior via self-supervision and reports state-of-the-art results on controllable generation tasks.

  10. MeshReGen: A Unified 3D Geometry Regeneration Framework

    cs.CV 2026-04 unverdicted novelty 6.0

    3D-ReGen is a conditioned 3D regenerator using VecSet that learns a regeneration prior from unlabeled 3D datasets via self-supervised tasks and achieves state-of-the-art results on controllable 3D geometry tasks.

  11. REVIVE 3D: Refinement via Encoded Voluminous Inflated prior for Volume Enhancement

    cs.CV 2026-04 unverdicted novelty 6.0

    REVIVE 3D generates voluminous 3D assets from flat 2D images via an inflated prior construction followed by latent-space refinement, plus new metrics for volume and flatness validated by user study.

  12. Beyond Voxel 3D Editing: Learning from 3D Masks and Self-Constructed Data

    cs.CV 2026-04 unverdicted novelty 6.0

    BVE framework enables text-guided 3D editing beyond voxel limits by combining self-constructed data, lightweight semantic injection, and annotation-free masking to preserve local invariance.

  13. SegviGen: Repurposing 3D Generative Model for Part Segmentation

    cs.CV 2026-03 unverdicted novelty 6.0

    SegviGen shows pretrained 3D generative models can be repurposed for part segmentation via voxel colorization, beating prior methods by 40% interactively and 15% on full segmentation using only 0.32% of labeled data.

  14. Composing People Together: Iterative Pose-Image Generation for Multi-Person Interaction Scenes

    cs.CV 2026-05 unverdicted novelty 5.0

    Introduces dual pose-image representation, cross-modal alignment, and iterative construction to improve prompt alignment and diversity in multi-person text-to-image generation.

  15. EVA01: Unified Native 3D Understanding and Generation via Mixture-of-Transformers

    cs.CV 2026-05 unverdicted novelty 5.0

    EVA01 introduces a Mixture-of-Transformers model that natively adds 3D mesh understanding, generation, and multi-turn editing to MLLMs by decoupling understanding and generation experts with shared global self-attention.