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Cited by 279

The DOI matches its Crossref record; 57 of the 57 references it cites were found in a registry or an index.

GeoTransformer: Fast and Robust Point Cloud Registration With Geometric Transformer

Open access
Qin, Zheng, Yu, Hao, Wang, Changjian, Guo, Yulan, Peng, Yuxing, Ilic, Slobodan, Hu, Dewen, Xu, Kai·2023·IEEE Transactions on Pattern Analysis and Machine Intelligence

Abstract

We study the problem of extracting accurate correspondences for point cloud registration. Recent keypoint-free methods have shown great potential through bypassing the detection of repeatable keypoints which is difficult to do especially in low-overlap scenarios. They seek correspondences over downsampled superpoints, which are then propagated to dense points. Superpoints are matched based on whether their neighboring patches overlap. Such sparse and loose matching requires contextual features capturing the geometric structure of the point clouds. We propose Geometric Transformer, or GeoTransformer for short, to learn geometric feature for robust superpoint matching. It encodes pair-wise distances and triplet-wise angles, making it invariant to rigid transformation and robust in low-overlap cases. The simplistic design attains surprisingly high matching accuracy such that no RANSAC is required in the estimation of alignment transformation, leading to 100 times acceleration. Extensive experiments on rich benchmarks encompassing indoor, outdoor, synthetic, multiway and non-rigid demonstrate the efficacy of GeoTransformer. Notably, our method improves the inlier ratio by 18 ∼ 31 percentage points and the registration recall by over 7 points on the challenging 3DLoMatch benchmark.

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Metadata

Authors
Qin, Z., Yu, H., Wang, C., Guo, Y., Peng, Y., Ilic, S., Hu, D., & Xu, K.
Venue
IEEE Transactions on Pattern Analysis and Machine Intelligence
Published
2023-08
Volume
45
Issue
8
Pages
9806-9821
ISSN
  • 0162-8828 (ISSN-L)
  • 2160-9292
  • 1939-3539
OpenAlex
W4328007191
Cited by
279
References
57
FWCI
39.30
Type
journal article
Language
en
Open access
green

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CoChat. (2026). Citation check: GeoTransformer: Fast and Robust Point Cloud Registration With Geometric Transformer. https://app.cochat.ai/papers/10.1109/tpami.2023.3259038
The paper
Qin, Z., Yu, H., Wang, C., Guo, Y., Peng, Y., Ilic, S., Hu, D., & Xu, K. (2023). GeoTransformer: Fast and Robust Point Cloud Registration With Geometric Transformer. IEEE Transactions on Pattern Analysis and Machine Intelligence. https://doi.org/10.1109/tpami.2023.3259038

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