Rip-NeRF: Anti-aliasing Radiance Fields with Ripmap-Encoded Platonic Solids

arXiv:2405.02386v1 Announce Type: new
Abstract: Despite significant advancements in Neural Radiance Fields (NeRFs), the renderings may still suffer from aliasing and blurring artifacts, since it remains a fundamental challenge to effectively and efficiently characterize anisotropic areas induced by the cone-casting procedure. This paper introduces a Ripmap-Encoded Platonic Solid representation to precisely and efficiently featurize 3D anisotropic areas, achieving high-fidelity anti-aliasing renderings. Central to our approach are two key components: Platonic Solid Projection and Ripmap encoding. The Platonic Solid Projection factorizes …

abstract arxiv challenge cs.cv cs.gr fields fundamental nerf neural radiance fields paper representation solid type