PointGT实现点云表示中几何与纹理的同步编辑，提升3D内容可编辑性。
PointGT: Simultaneous Geometry and Texture Editing for Point-Based Representations
- 结合点云表示与学习的UV映射，支持几何变形与纹理编辑
- 在点云神经表示中实现高保真渲染下的精细编辑
- 适合需要同时修改形状和外观的3D内容创作
我们提出PointGT，一种基于点的3D表示方法，能够同时编辑物体的几何结构和外观。现有重建与视图合成技术生成的体素化3D表示虽质量高、逼真度强，但难以编辑。特别是针对3D高斯溅射表示的纹理编辑方法，无法兼容几何编辑与形变。我们的方法将适合几何形变的点云表示与学习的高分辨率UV映射相结合，证明了PointGT可在点基神经表示中实现几何与纹理的细粒度编辑，并保持高质量渲染效果。
原文摘要 · Abstract (English)
We present PointGT, a point-based 3D representation that enables simultaneous editing of object geometry and appearance. Existing reconstruction and view synthesis techniques produce volumetric 3D representations that are high-quality and photorealistic, but are difficult to edit. In particular, recent efforts to enable texture editing for 3D Gaussian Splatting representations are not compatible with geometry edits and deformations. Our method combines a point-based representation that is well-suited for geometry deformations with a learned UV mapping technique that enables high-resolution texture editing. We show that PointGT enables fine-grained editing of both geometry and texture in point-based neural representations with high rendering quality.
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