Simplenerf: Regularizing sparse input neural radiance fields with simpler solutions

N Somraj, A Karanayil, R Soundararajan - SIGGRAPH Asia 2023 …, 2023 - dl.acm.org
… that encourage simpler solutions by exploring the role of positional encoding and view-dependent
radiance in training the few-shot NeRF. The depth estimated by these simpler models …

Derf: Decomposed radiance fields

D Rebain, W Jiang, S Yazdani, K Li… - Proceedings of the …, 2021 - openaccess.thecvf.com
With the advent of Neural Radiance Fields (NeRF), neural networks can now render novel
views of a 3D scene with quality that fools the human eye. Yet, generating these images is …

Simple-RF: Regularizing Sparse Input Radiance Fields with Simpler Solutions

N Somraj, A Karanayil, SH Mupparaju… - arXiv preprint arXiv …, 2024 - arxiv.org
… vanilla radiance fields suffer from various distortions. Regularizing the radiance fields with
simpler solutions leads to significantly better reconstructions with all the three radiance fields. …

Nerf++: Analyzing and improving neural radiance fields

K Zhang, G Riegler, N Snavely, V Koltun - arXiv preprint arXiv:2010.07492, 2020 - arxiv.org
… We propose a simple yet effective solution that separately … opacity field σ representing a soft
shape, along with a radiance field c … (MLPs); the opacity field is computed as a function of 3D …

Direct voxel grid optimization: Super-fast convergence for radiance fields reconstruction

C Sun, M Sun, HT Chen - … of the IEEE/CVF conference on …, 2022 - openaccess.thecvf.com
solution to this problem is simple and effective. First, we initialize the density voxel grid to
yield opacities very close to zero everywhere to avoid the geometry solutions … of radiance field

Unsupervised discovery of object radiance fields

HX Yu, LJ Guibas, J Wu - arXiv preprint arXiv:2107.07905, 2021 - arxiv.org
… We represent a 3D scene as a composition of simple radiance fields, which only models
object appearances and entangles their physical properties that may be crucial to downstream …

Nerfren: Neural radiance fields with reflections

YC Guo, D Kang, L Bao, Y He… - Proceedings of the …, 2022 - openaccess.thecvf.com
… Neural Radiance Fields (NeRF) has achieved … However, NeRF's view dependency can only
handle simple … two components with separate neural radiance fields. Considering that this …

Nerfies: Deformable neural radiance fields

K Park, U Sinha, JT Barron, S Bouaziz… - Proceedings of the …, 2021 - openaccess.thecvf.com
radiance fields (NeRF) by optimizing an additional continuous volumetric deformation field
… We observe that these NeRF-like deformation fields are prone to local minima, and propose …

Fast and detailed approximate global illumination by irradiance decomposition

O Arikan, DA Forsyth, JF O'Brien - ACM SIGGRAPH 2005 Papers, 2005 - dl.acm.org
… the radiance field close to surfaces into separate far- and near-field components that can be
… variation, and our near-field scheme employs an aggressively simple visibility heuristic. For …

Sinnerf: Training neural radiance fields on complex scenes from a single image

D Xu, Y Jiang, P Wang, Z Fan, H Shi… - European Conference on …, 2022 - Springer
… Despite the rapid development of Neural Radiance Field (NeRF), the necessity of dense …
or on simple objects/scenes. In this work, we consider a more ambitious task: training neural …