Deep marching tetrahedra: a hybrid representation for high-resolution 3d shape synthesis

T Shen, J Gao, K Yin, MY Liu… - Advances in Neural …, 2021 - proceedings.neurips.cc
We introduce DMTet, a deep 3D conditional generative model that can synthesize high-
resolution 3D shapes using simple user guides such as coarse voxels. It marries the merits …

Neural fields in visual computing and beyond

Y Xie, T Takikawa, S Saito, O Litany… - Computer Graphics …, 2022 - Wiley Online Library
Recent advances in machine learning have led to increased interest in solving visual
computing problems using methods that employ coordinate‐based neural networks. These …

Neural geometric level of detail: Real-time rendering with implicit 3d shapes

T Takikawa, J Litalien, K Yin, K Kreis… - Proceedings of the …, 2021 - openaccess.thecvf.com
Neural signed distance functions (SDFs) are emerging as an effective representation for 3D
shapes. State-of-the-art methods typically encode the SDF with a large, fixed-size neural …

Learning gradient fields for shape generation

R Cai, G Yang, H Averbuch-Elor, Z Hao… - Computer Vision–ECCV …, 2020 - Springer
In this work, we propose a novel technique to generate shapes from point cloud data. A point
cloud can be viewed as samples from a distribution of 3D points whose density is …

Neural wavelet-domain diffusion for 3d shape generation

KH Hui, R Li, J Hu, CW Fu - SIGGRAPH Asia 2022 Conference Papers, 2022 - dl.acm.org
This paper presents a new approach for 3D shape generation, enabling direct generative
modeling on a continuous implicit representation in wavelet domain. Specifically, we …

Towards implicit text-guided 3d shape generation

Z Liu, Y Wang, X Qi, CW Fu - Proceedings of the IEEE/CVF …, 2022 - openaccess.thecvf.com
In this work, we explore the challenging task of generating 3D shapes from text. Beyond the
existing works, we propose a new approach for text-guided 3D shape generation, capable of …

Modulated periodic activations for generalizable local functional representations

I Mehta, M Gharbi, C Barnes… - Proceedings of the …, 2021 - openaccess.thecvf.com
Abstract Multi-Layer Perceptrons (MLPs) make powerful functional representations for
sampling and reconstruction problems involving low-dimensional signals like images …

Deformed implicit field: Modeling 3d shapes with learned dense correspondence

Y Deng, J Yang, X Tong - … of the IEEE/CVF Conference on …, 2021 - openaccess.thecvf.com
We propose a novel Deformed Implicit Field (DIF) representation for modeling 3D shapes of
a category and generating dense correspondences among shapes. With DIF, a 3D shape is …

Geometry processing with neural fields

G Yang, S Belongie, B Hariharan… - Advances in Neural …, 2021 - proceedings.neurips.cc
Most existing geometry processing algorithms use meshes as the default shape
representation. Manipulating meshes, however, requires one to maintain high quality in the …

Deep generative models on 3d representations: A survey

Z Shi, S Peng, Y Xu, A Geiger, Y Liao… - arXiv preprint arXiv …, 2022 - arxiv.org
Generative models aim to learn the distribution of observed data by generating new
instances. With the advent of neural networks, deep generative models, including variational …