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PREDATOR: Registration of 3D Point Clouds with Low Overlap

Open access
Huang, Shengyu, Gojcic, Zan, Usvyatsov, Mikhail, Wieser, Andreas, Schindler, Konrad·2021·2021 IEEE/CVF Conference on Computer Vision and Pattern Recognition (CVPR)

Abstract

We introduce PREDATOR, a model for pairwise point-cloud registration with deep attention to the overlap region. Different from previous work, our model is specifically designed to handle (also) point-cloud pairs with low overlap. Its key novelty is an overlap-attention block for early information exchange between the latent encodings of the two point clouds. In this way the subsequent decoding of the latent representations into per-point features is conditioned on the respective other point cloud, and thus can predict which points are not only salient, but also lie in the overlap region between the two point clouds. The ability to focus on points that are relevant for matching greatly improves performance: PREDATOR raises the rate of successful registrations by more than 20% in the low-overlap scenario, and also sets a new state of the art for the 3DMatch benchmark with 89% registration recall. [Code release]

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Metadata

Authors
Huang, S., Gojcic, Z., Usvyatsov, M., Wieser, A., & Schindler, K.
Venue
2021 IEEE/CVF Conference on Computer Vision and Pattern Recognition (CVPR)
Publisher
IEEE
Published
2021-06
Pages
4265-4274
ISSN
1063-6919 (ISSN-L)
OpenAlex
W3177280664
Cited by
721
References
49
FWCI
84.59
Type
conference paper
Language
en
Open access
green

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CoChat. (2026). Citation check: PREDATOR: Registration of 3D Point Clouds with Low Overlap. https://app.cochat.ai/papers/10.1109/cvpr46437.2021.00425
The paper
Huang, S., Gojcic, Z., Usvyatsov, M., Wieser, A., & Schindler, K. (2021). PREDATOR: Registration of 3D Point Clouds with Low Overlap. 2021 IEEE/CVF Conference on Computer Vision and Pattern Recognition (CVPR). https://doi.org/10.1109/cvpr46437.2021.00425

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