Beyond Spherical Harmonics: Rethinking Appearance Models for Radiance Reconstruction
View-dependent appearance modeling remains a challenging problem in novel-view synthesis and reconstruction. Accurately representing complex angular effects often requires substantial memory and computational resources. For new learning-based methods, a common approach is to rely on SH. However, capturing high-frequency phenomena such as specular reflections demands high-order expansions, which increase memory usage and computational cost. Consequently, most methods employ low-order SH, which limits the ability to model complex view-dependent effects, resulting in overly smooth or diffuse representations. To address these limitations, we systematically evaluate a wide range of spherical f...
| Authors | Ewa Miazga, Jorge Condor, Piotr Didyk |
|---|---|
| Primary category | cs.CV |
| Published | 8 June 2026 |
| Last updated at source | 19 June 2026 |
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