A survey on global lidar localization: Challenges, advances and open problems

H Yin, X Xu, S Lu, X Chen, R Xiong, S Shen… - International Journal of …, 2024 - Springer
Abstract Knowledge about the own pose is key for all mobile robot applications. Thus pose
estimation is part of the core functionalities of mobile robots. Over the last two decades …

Diffusion-edfs: Bi-equivariant denoising generative modeling on se (3) for visual robotic manipulation

H Ryu, J Kim, H An, J Chang, J Seo… - Proceedings of the …, 2024 - openaccess.thecvf.com
Diffusion generative modeling has become a promising approach for learning robotic
manipulation tasks from stochastic human demonstrations. In this paper we present …

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 …

Equi-gspr: Equivariant se (3) graph network model for sparse point cloud registration

X Kang, Z Luan, K Khoshelham, B Wang - European Conference on …, 2024 - Springer
Point cloud registration is a foundational task for 3D alignment and reconstruction
applications. While both traditional and learning-based registration approaches have …

[PDF][PDF] A survey on global lidar localization

H Yin, X Xu, S Lu, X Chen, R Xiong… - arXiv preprint arXiv …, 2023 - researchgate.net
Knowledge about the own pose is key for all mobile robot applications. Thus pose
estimation is part of the core functionalities of mobile robots. In the last two decades, LiDAR …

Se3et: Se (3)-equivariant transformer for low-overlap point cloud registration

CE Lin, M Zhu, M Ghaffari - IEEE Robotics and Automation …, 2024 - ieeexplore.ieee.org
Partial point cloud registration is a challenging problem in robotics, especially when the
robot undergoes a large transformation, causing a significant initial pose error and a low …

Large-Scale LiDAR-Based Loop Closing via Combination of Equivariance and Invariance on SE (3)

H Li, Y Mai, M Gao, J He, Z Liu… - IEEE/ASME Transactions …, 2025 - ieeexplore.ieee.org
Loop closing is a core module of simultaneous localization and mapping (SLAM) in robotics.
It can be achieved through different sensors, of which LiDAR is dominant in large-scale …

MinkUNeXt: point cloud-based large-scale place recognition using 3D sparse convolutions

JJ Cabrera, A Santo, A Gil, C Viegas, L Payá - arXiv preprint arXiv …, 2024 - arxiv.org
This paper presents MinkUNeXt, an effective and efficient architecture for place-recognition
from point clouds entirely based on the new 3D MinkNeXt Block, a residual block composed …

Lie neurons: Adjoint-equivariant neural networks for semisimple lie algebras

TY Lin, M Zhu, M Ghaffari - arXiv preprint arXiv:2310.04521, 2023 - arxiv.org
This paper proposes an equivariant neural network that takes data in any semi-simple Lie
algebra as input. The corresponding group acts on the Lie algebra as adjoint operations …

VNI-Net: Vector neurons-based rotation-invariant descriptor for LiDAR place recognition

G Tian, J Zhao, Y Cai, F Zhang, X Wang, C Ye… - ISPRS Journal of …, 2024 - Elsevier
Despite the emergence of various LiDAR-based place recognition methods, the challenge of
place recognition failure due to rotation remains critical. Existing studies have attempted to …