1 code implementation • 1 Jul 2024 • Francis Williams, Jiahui Huang, Jonathan Swartz, Gergely Klár, Vijay Thakkar, Matthew Cong, Xuanchi Ren, RuiLong Li, Clement Fuji-Tsang, Sanja Fidler, Eftychios Sifakis, Ken Museth
We present fVDB, a novel GPU-optimized framework for deep learning on large-scale 3D data.
no code implementations • CVPR 2024 • Dongsu Zhang, Francis Williams, Zan Gojcic, Karsten Kreis, Sanja Fidler, Young Min Kim, Amlan Kar
We aim to generate fine-grained 3D geometry from large-scale sparse LiDAR scans, abundantly captured by autonomous vehicles (AV).
no code implementations • 24 Apr 2024 • RuiLong Li, Sanja Fidler, Angjoo Kanazawa, Francis Williams
We present NeRF-XL, a principled method for distributing Neural Radiance Fields (NeRFs) across multiple GPUs, thus enabling the training and rendering of NeRFs with an arbitrarily large capacity.
no code implementations • 13 Feb 2024 • Matan Atzmon, Jiahui Huang, Francis Williams, Or Litany
Integrating a notion of symmetry into point cloud neural networks is a provably effective way to improve their generalization capability.
1 code implementation • CVPR 2024 • Xuanchi Ren, Jiahui Huang, Xiaohui Zeng, Ken Museth, Sanja Fidler, Francis Williams
We present XCube (abbreviated as $\mathcal{X}^3$), a novel generative model for high-resolution sparse 3D voxel grids with arbitrary attributes.
no code implementations • CVPR 2023 • Jiahui Huang, Zan Gojcic, Matan Atzmon, Or Litany, Sanja Fidler, Francis Williams
We present a novel method for reconstructing a 3D implicit surface from a large-scale, sparse, and noisy point cloud.
no code implementations • ICCV 2023 • Shengyu Huang, Zan Gojcic, Zian Wang, Francis Williams, Yoni Kasten, Sanja Fidler, Konrad Schindler, Or Litany
We present Neural Fields for LiDAR (NFL), a method to optimise a neural field scene representation from LiDAR measurements, with the goal of synthesizing realistic LiDAR scans from novel viewpoints.
2 code implementations • 12 Oct 2022 • Xiaohui Zeng, Arash Vahdat, Francis Williams, Zan Gojcic, Or Litany, Sanja Fidler, Karsten Kreis
To advance 3D DDMs and make them useful for digital artists, we require (i) high generation quality, (ii) flexibility for manipulation and applications such as conditional synthesis and shape interpolation, and (iii) the ability to output smooth surfaces or meshes.
Ranked #1 on Point Cloud Generation on ShapeNet Airplane
1 code implementation • 22 Sep 2022 • Ludmila Kuncheva, Francis Williams, Samuel Hennessey
A keyword search on constrained clustering on Web-of-Science returned just under 3, 000 documents.
no code implementations • 16 Feb 2022 • Hsueh-Ti Derek Liu, Francis Williams, Alec Jacobson, Sanja Fidler, Or Litany
The latent descriptor of a neural field acts as a deformation handle for the 3D shape it represents.
no code implementations • CVPR 2022 • Francis Williams, Zan Gojcic, Sameh Khamis, Denis Zorin, Joan Bruna, Sanja Fidler, Or Litany
We present Neural Kernel Fields: a novel method for reconstructing implicit 3D shapes based on a learned kernel ridge regression.
no code implementations • 10 Mar 2021 • Yossi Arjevani, Joan Bruna, Michael Field, Joe Kileel, Matthew Trager, Francis Williams
In this note, we consider the highly nonconvex optimization problem associated with computing the rank decomposition of symmetric tensors.
no code implementations • 18 Dec 2020 • Francis Williams, Or Litany, Avneesh Sud, Kevin Swersky, Andrea Tagliasacchi
We introduce a technique for 3D human keypoint estimation that directly models the notion of spatial uncertainty of a keypoint.
1 code implementation • CVPR 2021 • Francis Williams, Matthew Trager, Joan Bruna, Denis Zorin
We present Neural Splines, a technique for 3D surface reconstruction that is based on random feature kernels arising from infinitely-wide shallow ReLU networks.
no code implementations • 8 Dec 2019 • Francis Williams, Daniele Panozzo, Kwang Moo Yi, Andrea Tagliasacchi
Voronoi diagrams are highly compact representations that are used in various Graphics applications.
no code implementations • NeurIPS 2019 • Francis Williams, Matthew Trager, Claudio Silva, Daniele Panozzo, Denis Zorin, Joan Bruna
We show that the gradient dynamics of such networks are determined by the gradient flow in a non-redundant parameterization of the network function.
3 code implementations • CVPR 2019 • Sebastian Koch, Albert Matveev, Zhongshi Jiang, Francis Williams, Alexey Artemov, Evgeny Burnaev, Marc Alexa, Denis Zorin, Daniele Panozzo
We introduce ABC-Dataset, a collection of one million Computer-Aided Design (CAD) models for research of geometric deep learning methods and applications.
1 code implementation • CVPR 2019 • Francis Williams, Teseo Schneider, Claudio Silva, Denis Zorin, Joan Bruna, Daniele Panozzo
We propose the use of a deep neural network as a geometric prior for surface reconstruction.