Depth Estimators Are Implicit Neural Fields for 3D Scene Geometry Inpainting and Reconstruction

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[Submitted on 11 Jul 2026]

Title:Depth Estimators Are Implicit Neural Fields for 3D Scene Geometry Inpainting and Reconstruction

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Abstract:The 3D geometry of real-world scene data is often incomplete. Mainstream methods use depth estimators to inpaint missing structure. However, their prediction results can be inconsistent with observed geometry, or unreliable on out-of-distribution data. To solve these problems, we propose Neural Depth Field (NDF). Our key insight is that a depth estimator can also be a scene-level implicit field. As an estimator, it adapts to the target domain by learning observed depth data. As an implicit field, it fits the existing geometry to maintain consistency. Under this view, NDF addresses both problems through a single test-time optimization. Experiments show that NDF produces high-fidelity and globally consistent geometry across diverse scene data, ranging from indoor scans to satellite imagery. It reduces cross-view inconsistency by 63.3\% and improves inpainting accuracy by 23.1\%, achieving state-of-the-art performance in 3D scene geometry inpainting. The code is available at: this https URL.

Subjects:

Computer Vision and Pattern Recognition (cs.CV); Artificial Intelligence (cs.AI); Machine Learning (cs.LG)

Cite as: arXiv:2607.16286 [cs.CV]

(or arXiv:2607.16286v1 [cs.CV] for this version)

https://doi.org/10.48550/arXiv.2607.16286

arXiv-issued DOI via DataCite (pending registration)

Submission history

From: Yingzhao Jian [view email] [v1] Sat, 11 Jul 2026 12:52:58 UTC (26,690 KB)

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