Variational Relational Point Completion Network
Liang Pan, Xinyi Chen, Zhongang Cai, Junzhe Zhang, Haiyu Zhao, Shuai Yi, Ziwei Liu
Abstract
2 Knots Observed (3) 1 Knot Observed (2) (4) 2 Knots Observed 0 Knot Observed Complete Shape Our Results Partial Observation Complete Shape Our Results Partial Observation (c) (a) Partial Observation Coarse Completion Fine Completion PCN GRNet NSFA Ours Ground Truth (b) Figure 1: (a) VRCNet performs shape completion with two consecutive stages: probabilistic modeling and relational enhancement. (b) Qualitative Results show that VRCNet generates better shape details than the other works [29, 27, 30]. (c) Our completion results conditioned on partial observations. The arrows indicate the viewing angles. In (1) and (2), 2 knots are partially observed for the pole of the lamp, and hence we generate 2 complete knots. In (3), only 1 knot is observed, and then we reconstruct 1 complete knot. If no knots are observed (see (4)), VRCNet generates a smooth pole without knots.
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Install the CLIlune papers fulltext 0b68cb22-4149-43d3-899b-37f320b982caCited by top-tier papers43
- A Conditional Point Diffusion-Refinement Paradigm for 3D Point Cloud CompletionZhaoyang Lyu, Zhifeng Kong, Xudong Xu, Liang Pan et al.ICLR 2022 · 159 citations
- PTTR: Relational 3D Point Cloud Object Tracking with TransformerChangqing Zhou, Zhipeng Luo, Yueru Luo, Tianrui Liu et al.CVPR 2022 · 117 citations
- PointAttN: You Only Need Attention for Point Cloud CompletionJun Wang, Ying Cui, Dongyan Guo, Junxia Li et al.AAAI 2024 · 113 citations
- Balanced Chamfer Distance as a Comprehensive Metric for Point Cloud CompletionTong Wu, Liang Pan, Junzhe Zhang, Tai Wang et al.NeurIPS 2021 · 104 citations
- ASFM-Net: Asymmetrical Siamese Feature Matching Network for Point CompletionYaqi Xia, Yan Xia, Wei Li, Rui Song et al.ACM MM 2021 · 93 citations
Builds on5
- KPConv: Flexible and Deformable Convolution for Point CloudsHugues Thomas, Charles R. Qi, Jean-Emmanuel Deschaud, Beatriz Marcotegui et al.ICCV 2019 · 3,193 citations
- Local Relation Networks for Image RecognitionHan Hu, Zheng Zhang, Zhenda Xie, Stephen LinICCV 2019 · 555 citations
- Morphing and Sampling Network for Dense Point Cloud CompletionMinghua Liu, Lu Sheng, Sheng Yang, Jing Shao et al.AAAI 2020 · 363 citations
- Cascaded Refinement Network for Point Cloud CompletionXiaogang Wang, Marcelo H. Ang, Gim Hee LeeCVPR 2020
- Exploring Self-Attention for Image RecognitionHengshuang Zhao, Jiaya Jia, Vladlen KoltunCVPR 2020
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