Point cloud registration for LiDAR and photogrammetric data: A critical synthesis and performance analysis on classic and deep learning algorithms

N Xu, R Qin, S Song - ISPRS open journal of photogrammetry and remote …, 2023 - Elsevier
Abstract Three-dimensional (3D) point cloud registration is a fundamental step for many 3D
modeling and mapping applications. Existing approaches are highly disparate in the data …

Cross-source point cloud registration: Challenges, progress and prospects

X Huang, G Mei, J Zhang - Neurocomputing, 2023 - Elsevier
The emerging topic of cross-source point cloud (CSPC) registration has attracted increasing
attention with the fast development background of 3D sensor technologies. Different from the …

Geometric transformer for fast and robust point cloud registration

Z Qin, H Yu, C Wang, Y Guo… - Proceedings of the …, 2022 - openaccess.thecvf.com
We study the problem of extracting accurate correspondences for point cloud registration.
Recent keypoint-free methods bypass the detection of repeatable keypoints which is difficult …

Not all points are equal: Learning highly efficient point-based detectors for 3d lidar point clouds

Y Zhang, Q Hu, G Xu, Y Ma, J Wan… - Proceedings of the …, 2022 - openaccess.thecvf.com
We study the problem of efficient object detection of 3D LiDAR point clouds. To reduce the
memory and computational cost, existing point-based pipelines usually adopt task-agnostic …

3D registration with maximal cliques

X Zhang, J Yang, S Zhang… - Proceedings of the IEEE …, 2023 - openaccess.thecvf.com
As a fundamental problem in computer vision, 3D point cloud registration (PCR) aims to
seek the optimal pose to align a point cloud pair. In this paper, we present a 3D registration …

Cofinet: Reliable coarse-to-fine correspondences for robust pointcloud registration

H Yu, F Li, M Saleh, B Busam… - Advances in Neural …, 2021 - proceedings.neurips.cc
We study the problem of extracting correspondences between a pair of point clouds for
registration. For correspondence retrieval, existing works benefit from matching sparse …

Rotation-invariant transformer for point cloud matching

H Yu, Z Qin, J Hou, M Saleh, D Li… - Proceedings of the …, 2023 - openaccess.thecvf.com
The intrinsic rotation invariance lies at the core of matching point clouds with handcrafted
descriptors. However, it is widely despised by recent deep matchers that obtain the rotation …

Pointdsc: Robust point cloud registration using deep spatial consistency

X Bai, Z Luo, L Zhou, H Chen, L Li… - Proceedings of the …, 2021 - openaccess.thecvf.com
Removing outlier correspondences is one of the critical steps for successful feature-based
point cloud registration. Despite the increasing popularity of introducing deep learning …

Sc2-pcr: A second order spatial compatibility for efficient and robust point cloud registration

Z Chen, K Sun, F Yang, W Tao - Proceedings of the IEEE …, 2022 - openaccess.thecvf.com
In this paper, we present a second order spatial compatibility (SC^ 2) measure based
method for efficient and robust point cloud registration (PCR), called SC^ 2-PCR. Firstly, we …

Robust point cloud registration framework based on deep graph matching

K Fu, S Liu, X Luo, M Wang - Proceedings of the IEEE/CVF …, 2021 - openaccess.thecvf.com
Abstract 3D point cloud registration is a fundamental problem in computer vision and
robotics. Recently, learning-based point cloud registration methods have made great …