High Resolution UDF Meshing via Iterative Networks Article Swipe

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Federico Stella , Nicolas Talabot , Hieu Trung Le , Pascal Fua ·

YOU? · · 2025 · Open Access · · DOI: https://doi.org/10.48550/arxiv.2509.17212

Unsigned Distance Fields (UDFs) are a natural implicit representation for open surfaces but, unlike Signed Distance Fields (SDFs), are challenging to triangulate into explicit meshes. This is especially true at high resolutions where neural UDFs exhibit higher noise levels, which makes it hard to capture fine details. Most current techniques perform within single voxels without reference to their neighborhood, resulting in missing surface and holes where the UDF is ambiguous or noisy. We show that this can be remedied by performing several passes and by reasoning on previously extracted surface elements to incorporate neighborhood information. Our key contribution is an iterative neural network that does this and progressively improves surface recovery within each voxel by spatially propagating information from increasingly distant neighbors. Unlike single-pass methods, our approach integrates newly detected surfaces, distance values, and gradients across multiple iterations, effectively correcting errors and stabilizing extraction in challenging regions. Experiments on diverse 3D models demonstrate that our method produces significantly more accurate and complete meshes than existing approaches, particularly for complex geometries, enabling UDF surface extraction at higher resolutions where traditional methods fail.

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Type: preprint
Language: en
Landing Page: http://arxiv.org/abs/2509.17212
PDF: https://arxiv.org/pdf/2509.17212
OA Status: green
OpenAlex ID: https://openalex.org/W4414747814

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OpenAlex ID: https://openalex.org/W4414747814

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DOI: https://doi.org/10.48550/arxiv.2509.17212

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Title: High Resolution UDF Meshing via Iterative Networks

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Type: preprint

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Language: en

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Publication year: 2025

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Publication date: 2025-09-21

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Authors: Federico Stella, Nicolas Talabot, Hieu Trung Le, Pascal Fua

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Landing page: https://arxiv.org/abs/2509.17212

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PDF URL: https://arxiv.org/pdf/2509.17212

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Open access: Yes

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OA status: green

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OA URL: https://arxiv.org/pdf/2509.17212

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Cited by: 0

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