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Vanishing Volumes: Constraining Reconstructions ofFine-Structured Objects from Coarse Segmentation
Conference proceeding   Open access   Peer reviewed

Vanishing Volumes: Constraining Reconstructions ofFine-Structured Objects from Coarse Segmentation

Oliver Charles Camilleri, Adrian Hilton and Marco Volino
CEIG2026
Eurographics Local Chapter Events
XXXV Spanish Conference on Computer Graphics (CEIG 2026) (Valencia, Spain, 01/06/2026–03/06/2026)
19/03/2026

Abstract

Object-based Media (OBM) Production Computing methodologies → Reconstruction; Volumetric models; Image segmentation Volumetric models Image segmentation Computer Graphics Computer Vision

Recent advances at the interface of machine learning and 3D reconstruction, ranging from volumetric methods like NeRF and Plenoxels to point-based primitives such as Gaussian Splats, have enabled high-fidelity 3D modeling from images. Despite this progress, capturing assets through the isolated optimization of segmented objects remains fundamentally under-constrained. Additionally, thin structures pose a difficult challenge for segmentation methods. In this work, we explore necessary constraints and combine priors from monocular depth as well as visual hulls to overcome their respective failure modes, producing high-quality object-centric reconstructions in the face of erroneous segmentation. This is demonstrated using synthetic scenes, all exhibiting fine structure, which we openly release along with coarse and ground truth segmentation masks. Furthermore, we show that segmentation failure can act as a useful signal to guide sampling and further enhance detail preservation.

url
https://diglib.eg.org/items/aba60c78-8326-4754-8c49-f84b33f21746View
Published (Version of record) Open CC BY V4.0
url
https://eurographics.es/CEIG26/View
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