JointEdit3D: Feed-Forward 3D Scene Editing in a Unified Latent Space

• URL: http://arxiv.org/abs/2606.13345v1
• Date: Thu, 11 Jun 2026 13:35:23 GMT
• Title: JointEdit3D: Feed-Forward 3D Scene Editing in a Unified Latent Space
• Abstract summary: Existing 3D scene editing methods rely on per-scene optimization over explicit 3D representations or cascaded edit-and-reconstruct pipelines.<n>We build on a unified RGB-geometry reconstruction-generation latent space and adapt it to feed-forward 3D scene editing.<n>JointEdit3D performs asymmetric latent inpainting by observing only a single edited RGB reference latent.
• Score: 14.944378716099422
• License: http://arxiv.org/licenses/nonexclusive-distrib/1.0/
• Abstract: Existing 3D scene editing methods typically rely on per-scene optimization over explicit 3D representations or cascaded edit-and-reconstruct pipelines, resulting in high test-time cost, limited 3D awareness, and structural inconsistencies. To couple appearance synthesis and geometry prediction during editing, we build on a unified RGB-geometry reconstruction-generation latent space and adapt it to feed-forward 3D scene editing. The resulting framework, \textbf{JointEdit3D}, performs asymmetric latent inpainting by observing only a single edited RGB reference latent and generating the remaining RGB views and edited geometry latent under source-scene anchoring. JointEdit3D introduces a dedicated SceneAnchor Branch to inject source-scene structure without forcing direct copying, and adopts edit/background-aware losses to balance edited-region fidelity with unedited-content preservation. To address the lack of paired resources for standardized 3D scene editing evaluation, we introduce SceneEdit3D-15K, a dataset with 15K paired editing samples and renderer-provided 3D annotations, together with SceneEdit3D-Bench, a curated 100-sample benchmark. Experiments show that JointEdit3D improves edited-region quality and 3D structural completeness over prior baselines while maintaining competitive background preservation.

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