用复数高斯基元直接建模光的波特性，大幅加速全息渲染。
Complex-Valued Holographic Radiance Fields
- 用复数高斯基元同时表示光的振幅和相位，对齐场景几何。
- 相比现有方法，渲染速度提升30倍至1万倍，图像质量相当。
- 适合需要高精度光波模拟的全息成像与物理渲染研究者。
建模光的波动特性是推动物理渲染发展的关键一步。本文提出复数全息辐射场，一种无需依赖强度中间表示的场景优化方法。利用多视角图像，该方法直接通过复数高斯基元优化场景表征，基元同时表示振幅与相位，并与场景几何对齐。该方法避免了传统全息渲染中通常依赖单视角的高计算开销，使全息渲染速度提升30倍至1万倍，同时保持与当前最先进全息方法相当的图像质量，为弥合光波特性建模与三维场景几何表示之间的差距迈出了重要一步。
原文摘要 · Abstract (English)
Modeling wave properties of light is an important milestone for advancing physically-based rendering. In this paper, we propose complex-valued holographic radiance fields, a method that optimizes scenes without relying on intensity-based intermediaries. By leveraging multi-view images, our method directly optimizes a scene representation using complex-valued Gaussian primitives representing amplitude and phase values aligned with the scene geometry. Our approach eliminates the need for computationally expensive holographic rendering that typically utilizes a single view of a given scene. This accelerates holographic rendering speed by 30x-10,000x while achieving on-par image quality with state-of-the-art holography methods, representing a promising step towards bridging the representation gap between modeling wave properties of light and 3D geometry of scenes.
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