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Efficient and Robust Point Cloud Registration via Heuristics-guided Parameter Search
Tianyu Huang1; Haoang Li2; Liangzu Peng3; Yinlong Liu4; Yun-Hui Liu1
2024-10
Source PublicationIEEE Transactions on Pattern Analysis and Machine Intelligence
ISSN0162-8828
Volume46Issue:10Pages:6966-6984
Abstract

Estimating the rigid transformation with 6 degrees of freedom based on a putative 3D correspondence set is a crucial procedure in point cloud registration. Existing correspondence identification methods usually lead to large outlier ratios (> 95 % is common), underscoring the significance of robust registration methods. Many researchers turn to parameter search-based strategies (e.g., Branch-and-Bround) for robust registration. Although related methods show high robustness, their efficiency is limited to the high-dimensional search space. This paper proposes a heuristics-guided parameter search strategy to accelerate the search while maintaining high robustness. We first sample some correspondences (i.e., heuristics) and then just need to sequentially search the feasible regions that make each sample an inlier. Our strategy largely reduces the search space and can guarantee accuracy with only a few inlier samples, therefore enjoying an excellent trade-off between efficiency and robustness. Since directly parameterizing the 6-dimensional nonlinear feasible region for efficient search is intractable, we construct a three-stage decomposition pipeline to reparameterize the feasible region, resulting in three lower-dimensional sub-problems that are easily solvable via our strategy. Besides reducing the searching dimension, our decomposition enables the leverage of 1-dimensional interval stabbing at all three stages for searching acceleration. Moreover, we propose a valid sampling strategy to guarantee our sampling effectiveness, and a compatibility verification setup to further accelerate our search. Extensive experiments on both simulated and real-world datasets demonstrate that our approach exhibits comparable robustness with state-of-the-art methods while achieving a significant efficiency boost.

KeywordPoint Cloud Registration Sampling Parameter Search Transformation Decomposition Interval Stabbing
DOI10.1109/TPAMI.2024.3387553
URLView the original
Indexed BySCIE
Language英語English
WOS Research AreaComputer Science ; Engineering
WOS SubjectComputer Science, Artificial Intelligence ; Engineering, Electrical & Electronic
WOS IDWOS:001308236900030
PublisherIEEE COMPUTER SOC10662 LOS VAQUEROS CIRCLE, PO BOX 3014, LOS ALAMITOS, CA 90720-1314
Scopus ID2-s2.0-85190348693
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Citation statistics
Document TypeJournal article
CollectionUniversity of Macau
THE STATE KEY LABORATORY OF INTERNET OF THINGS FOR SMART CITY (UNIVERSITY OF MACAU)
Corresponding AuthorYun-Hui Liu
Affiliation1.Department of Mechanical and Automation Engineering and T Stone Robotics Institute, Chinese University of Hong Kong, Shatin, Hong Kong
2.Thrust of Robotics and Autonomous Systems and the Thrust of Intelligent Transportation, Hong Kong University of Science and Technology (Guangzhou), Guangzhou 529200, China
3.Department of Electrical and Systems Engineering, University of Pennsylvania, Philadelphia, PA 19104 USA
4.State Key Laboratory of Internet of Things for Smart City (SKL-IOTSC), University of Macau, Macau 999078, China
Recommended Citation
GB/T 7714
Tianyu Huang,Haoang Li,Liangzu Peng,et al. Efficient and Robust Point Cloud Registration via Heuristics-guided Parameter Search[J]. IEEE Transactions on Pattern Analysis and Machine Intelligence, 2024, 46(10), 6966-6984.
APA Tianyu Huang., Haoang Li., Liangzu Peng., Yinlong Liu., & Yun-Hui Liu (2024). Efficient and Robust Point Cloud Registration via Heuristics-guided Parameter Search. IEEE Transactions on Pattern Analysis and Machine Intelligence, 46(10), 6966-6984.
MLA Tianyu Huang,et al."Efficient and Robust Point Cloud Registration via Heuristics-guided Parameter Search".IEEE Transactions on Pattern Analysis and Machine Intelligence 46.10(2024):6966-6984.
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