Adjoint Rigid Transform Network: Task-conditioned Alignment of 3D Shapes
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Abstract (arXiv)
Most learning methods for 3D data (point clouds, meshes) suffer significant performance drops when the data is not carefully aligned to a canonical orientation. Aligning real world 3D data collected from different sources is non-trivial and requires manual intervention. In this paper, we propose the Adjoint Rigid Transform (ART) Network, a neural module which can be integrated with a variety of 3D networks to significantly boost their performance. ART learns to rotate input shapes to a learned canonical orientation, which is crucial for a lot of tasks such as shape reconstruction, interpolation, non-rigid registration, and latent disentanglement. ART achieves this with self-supervision and a rotation equivariance constraint on predicted rotations. The remarkable result is that with only self-supervision, ART facilitates learning a unique canonical orientation for both rigid and nonrigid shapes, which leads to a notable boost in performance of aforementioned tasks. We will release our code and pre-trained models for further research.
Key facts. Cited by 4 papers in the map (data through 7 Oct 2026). Builds on 36 of its 58 references that are in the map. First posted on arXiv 1 Feb 2021.
Builds on
36 of 58 references.
References · 36
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24 more
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Built on by
Citing papers per year: 2023: 1; 2024: 2; 2025: 0; 2026: 1.
4 papers.
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- 2026Unleashing Guidance Without Classifiers for Human-Object Interaction Animation26 Mar 2026
- 2024Symmetry-Robust 3D Orientation Estimation2 Oct 2024
- 2024InterTrack: Tracking Human Object Interaction without Object Templates25 Aug 2024
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