用隐形几何扰动保护图像，防被生成3D模型。
Geometry Cloak: Preventing TGS-based 3D Reconstruction from Copyrighted Images
- 在图像中嵌入不可见的几何扰动，作为版权保护屏障。
- 当被用于3D重建时，会生成可识别的定制化水印图案。
- 适合版权方防范未经授权的3D模型生成，尤其对TGS有效。
单视角3D重建方法如三平面高斯点云（TGS）可在数秒内从单张图像生成高质量3D模型。然而，这一能力可能被恶意利用，通过TGS从受版权保护的图像生成未经授权的3D模型。为防止此类侵权，我们提出一种新型图像保护方法，在将图像提供给TGS前，嵌入称为“几何斗篷”的不可见几何扰动。这些精心设计的扰动编码了定制化信息，当TGS尝试重建被遮蔽图像时，会生成可识别的特定模式作为水印。与传统对抗攻击仅降低输出质量不同，该方法使TGS以特定方式失败，生成可追溯的水印图案，使版权方能证明其所有权。大量实验验证了该方法的有效性。项目地址：https://qsong2001.github.io/geometry_cloak。
原文摘要 · Abstract (English)
Single-view 3D reconstruction methods like Triplane Gaussian Splatting (TGS) have enabled high-quality 3D model generation from just a single image input within seconds. However, this capability raises concerns about potential misuse, where malicious users could exploit TGS to create unauthorized 3D models from copyrighted images. To prevent such infringement, we propose a novel image protection approach that embeds invisible geometry perturbations, termed "geometry cloaks", into images before supplying them to TGS. These carefully crafted perturbations encode a customized message that is revealed when TGS attempts 3D reconstructions of the cloaked image. Unlike conventional adversarial attacks that simply degrade output quality, our method forces TGS to fail the 3D reconstruction in a specific way - by generating an identifiable customized pattern that acts as a watermark. This watermark allows copyright holders to assert ownership over any attempted 3D reconstructions made from their protected images. Extensive experiments have verified the effectiveness of our geometry cloak. Our project is available at https://qsong2001.github.io/geometry_cloak.
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