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Sources of Uncertainty in 3D Scene Reconstruction
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en
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19
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Computer Vision – ECCV 2024 Workshops: Milan, Italy, September 29–October 4, 2024, Proceedings, Part XVII, pp. 271-289, Lecture Notes in Computer Science ; Volume 15639
Abstract
The process of 3D scene reconstruction can be affected by numerous uncertainty sources in real-world scenes. While Neural Radiance Fields (NeRFs) and 3D Gaussian Splatting (GS) achieve high-fidelity rendering, they lack built-in mechanisms to directly address or quantify uncertainties arising from the presence of noise, occlusions, confounding outliers, and imprecise camera pose inputs. In this paper, we introduce a taxonomy that categorizes different sources of uncertainty inherent in these methods. Moreover, we extend NeRF- and GS-based methods with uncertainty estimation techniques, including learning uncertainty outputs and ensembles, and perform an empirical study to assess their ability to capture the sensitivity of the reconstruction. Our study highlights the need for addressing various uncertainty aspects when designing NeRF/GS-based methods for uncertainty-aware 3D reconstruction.
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Klasson, M, Mereu, R, Kannala, J & Solin, A 2025, Sources of Uncertainty in 3D Scene Reconstruction. in A Del Bue, C Canton, J Pont-Tuset & T Tommasi (eds), Computer Vision – ECCV 2024 Workshops : Milan, Italy, September 29–October 4, 2024, Proceedings, Part XVII. Lecture Notes in Computer Science, vol. 15639, Springer, pp. 271-289, European Conference on Computer Vision, Milano, Italy, 29/09/2024. https://doi.org/10.1007/978-3-031-91585-7_17