[Submitted on 26 Oct 2026]
Title:PrinGS: Privacy Preservation in Gaussian Splatting
View a PDF of the paper titled PrinGS: Privacy Preservation in Gaussian Splatting, by Gaurav Behera and 5 other authors
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Abstract:3D Gaussian Splatting (3DGS) has rapidly become the preferred representation for high-fidelity novel view synthesis and 3D scene reconstruction. However, the learned representation encodes sensitive visual information including human faces, license plates, documents, and computer screens, raising significant privacy concerns when trained splats are shared or deployed. In this work, we address the underexplored problem of privacy preservation in Gaussian Splatting by proposing a representation-level anonymization framework that directly anonymizes a trained splat. Given a trained splat and a user-provided reference view identifying sensitive content, our method localizes the corresponding regions in the underlying 3D representation and directly anonymizes them, ensuring that the sensitive information is absent from all subsequently rendered novel views while preserving the overall scene geometry and visual fidelity. We achieve this post-training anonymization in less than 1 second. Furthermore, we extend our framework with a privacy-by-design training strategy that prevents sensitive content from being embedded into the representation during optimization, enabling the generation of privacy-preserving splats directly from training images. Our method achieves a remarkably low Face Similarity Measure (FSM) of 9.79% at a retained Face Detection Rate (FDR) of 39.47% and makes sensitive text completely unreadable with an OCR Character Error Rate of 1.00. Our work aims to serve as the primary stepping stone towards privacy-aware 3D representations and motivates further research along these directions.
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Subjects:
Computer Vision and Pattern Recognition (cs.CV)
Cite as: arXiv:2610.36168 [cs.CV]
(or arXiv:2610.36168v1 [cs.CV] for this version)
https://doi.org/10.48550/arXiv.2610.36168
arXiv-issued DOI via DataCite (pending registration)
Submission history
From: Abhinav Raundhal [view email] [v1] Mon, 26 Oct 2026 19:02:22 UTC (18,965 KB)
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