Leveraging se (3) equivariance for learning 3d geometric shape assembly

R Wu, C Tie, Y Du, Y Zhao… - Proceedings of the IEEE …, 2023 - openaccess.thecvf.com
Shape assembly aims to reassemble parts (or fragments) into a complete object, which is a
common task in our daily life. Different from the semantic part assembly (eg, assembling a …

Efem: Equivariant neural field expectation maximization for 3d object segmentation without scene supervision

J Lei, C Deng, K Schmeckpeper… - Proceedings of the …, 2023 - openaccess.thecvf.com
Abstract We introduce Equivariant Neural Field Expectation Maximization (EFEM), a simple,
effective, and robust geometric algorithm that can segment objects in 3D scenes without …

Banana: Banach fixed-point network for pointcloud segmentation with inter-part equivariance

C Deng, J Lei, WB Shen… - Advances in Neural …, 2024 - proceedings.neurips.cc
Equivariance has gained strong interest as a desirable network property that inherently
ensures robust generalization. However, when dealing with complex systems such as …

Neuse: Neural se (3)-equivariant embedding for consistent spatial understanding with objects

J Fu, Y Du, K Singh, JB Tenenbaum… - arXiv preprint arXiv …, 2023 - arxiv.org
We present NeuSE, a novel Neural SE (3)-Equivariant Embedding for objects, and illustrate
how it supports object SLAM for consistent spatial understanding with long-term scene …

Rotation invariance and equivariance in 3D deep learning: a survey

J Fei, Z Deng - Artificial Intelligence Review, 2024 - Springer
Deep neural networks (DNNs) in 3D scenes show a strong capability of extracting high-level
semantic features and significantly promote research in the 3D field. 3D shapes and scenes …

Deep learning-based low overlap point cloud registration for complex scenario: The review

Y Zhao, J Zhang, S Xu, J Ma - Information Fusion, 2024 - Elsevier
Most studies on point cloud registration have established the problem in the case of ideal
point cloud data. Although the state-of-the-art approaches have achieved amazing results …

Approximately Piecewise E (3) Equivariant Point Networks

M Atzmon, J Huang, F Williams, O Litany - arXiv preprint arXiv:2402.08529, 2024 - arxiv.org
Integrating a notion of symmetry into point cloud neural networks is a provably effective way
to improve their generalization capability. Of particular interest are $ E (3) $ equivariant point …

HEGN: Hierarchical Equivariant Graph Neural Network for 9DoF Point Cloud Registration

A Misik, D Salihu, X Su, H Brock… - 2024 IEEE International …, 2024 - ieeexplore.ieee.org
Given its wide application in robotics, point cloud registration is a widely researched topic.
Conventional methods aim to find a rotation and translation that align two point clouds in 6 …

BYE: Build Your Encoder with One Sequence of Exploration Data for Long-Term Dynamic Scene Understanding

C Huang, S Yan, W Burgard - arXiv preprint arXiv:2412.02449, 2024 - arxiv.org
Dynamic scene understanding remains a persistent challenge in robotic applications. Early
dynamic mapping methods focused on mitigating the negative influence of short-term …

Point Data Registration with the Multi-Object, Cardinalized Optimal Linear Assignment Metric

P Barrios, V Guzmán, M Adams, CA Perez - IEEE Access, 2024 - ieeexplore.ieee.org
Point cloud registration is a critical component of many tasks including the estimation of
sensor motion and 3D reconstruction. The Iterative Closest Point (ICP) algorithm and its …