Buffer: Balancing accuracy, efficiency, and generalizability in point cloud registration

S Ao, Q Hu, H Wang, K Xu… - Proceedings of the IEEE …, 2023 - openaccess.thecvf.com
An ideal point cloud registration framework should have superior accuracy, acceptable
efficiency, and strong generalizability. However, this is highly challenging since existing …

Sira-pcr: Sim-to-real adaptation for 3d point cloud registration

S Chen, H Xu, R Li, G Liu, CW Fu… - Proceedings of the …, 2023 - openaccess.thecvf.com
Point cloud registration is essential for many applications. However, existing real datasets
require extremely tedious and costly annotations, yet may not provide accurate camera …

Deep learning-based point cloud registration: a comprehensive investigation

X Cheng, X Liu, J Li, W Zhou - International Journal of Remote …, 2024 - Taylor & Francis
Point cloud registration is the process of aligning and merging multiple point clouds into a
same coordinate system. It has many applications in computer vision, robotics, 3D …

Robust multiview point cloud registration with reliable pose graph initialization and history reweighting

H Wang, Y Liu, Z Dong, Y Guo, YS Liu… - Proceedings of the …, 2023 - openaccess.thecvf.com
In this paper, we present a new method for the multiview registration of point cloud. Previous
multiview registration methods rely on exhaustive pairwise registration to construct a …

A new method for point cloud registration: Adaptive relation-oriented convolution and recurrent correspondence-walk

F Cao, L Zhu, H Ye, C Wen, Q Zhang - Knowledge-Based Systems, 2024 - Elsevier
For point cloud registration (PCR), a matching matrix is critical. Unfortunately, the existing
approaches do not explicitly devise schemes to refine the matching matrix. Furthermore …

An overlap estimation guided feature metric approach for real point cloud registration

F Zhang, L Zhang, T He, Y Sun, S Zhao, Y Zhang… - Computers & …, 2024 - Elsevier
Real point cloud registration, involving homologous and cross-source 3D data, poses
significant challenges such as partial overlap, high noise, density disparities, and scale …

Daot: Domain-agnostically aligned optimal transport for domain-adaptive crowd counting

H Zhu, J Yuan, X Zhong, Z Yang, Z Wang… - Proceedings of the 31st …, 2023 - dl.acm.org
Domain adaptation is commonly employed in crowd counting to bridge the domain gaps
between different datasets. However, existing domain adaptation methods tend to focus on …

Rotation-equivariant quaternion neural networks for 3d point cloud processing

W Shen, Z Wei, Q Ren, B Zhang… - … on Pattern Analysis …, 2024 - ieeexplore.ieee.org
This study proposes a set of generic rules to revise existing neural networks for 3D point
cloud processing to rotation-equivariant quaternion neural networks (REQNNs), in order to …

G3reg: Pyramid graph-based global registration using gaussian ellipsoid model

Z Qiao, Z Yu, B Jiang, H Yin… - IEEE Transactions on …, 2024 - ieeexplore.ieee.org
This study introduces a novel framework, G3Reg, for fast and robust global registration of
LiDAR point clouds. In contrast to conventional complex keypoints and descriptors, we …

PointDifformer: Robust point cloud registration with neural diffusion and transformer

R She, Q Kang, S Wang, WP Tay… - … on Geoscience and …, 2024 - ieeexplore.ieee.org
Point cloud registration is a fundamental technique in 3-D computer vision with applications
in graphics, autonomous driving, and robotics. However, registration tasks under …