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|a 10.1109/TPAMI.2022.3159003
|2 doi
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|a pubmed24n1127.xml
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|a DE-627
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|e rakwb
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|a eng
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| 100 |
1 |
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|a Wen, Xin
|e verfasserin
|4 aut
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| 245 |
1 |
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|a PMP-Net++
|b Point Cloud Completion by Transformer-Enhanced Multi-Step Point Moving Paths
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|c 2023
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|a Text
|b txt
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|a ƒaComputermedien
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|a ƒa Online-Ressource
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|a Date Completed 05.04.2023
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|a Date Revised 05.04.2023
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|a published: Print-Electronic
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|a Citation Status PubMed-not-MEDLINE
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| 520 |
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|a Point cloud completion concerns to predict missing part for incomplete 3D shapes. A common strategy is to generate complete shape according to incomplete input. However, unordered nature of point clouds will degrade generation of high-quality 3D shapes, as detailed topology and structure of unordered points are hard to be captured during the generative process using an extracted latent code. We address this problem by formulating completion as point cloud deformation process. Specifically, we design a novel neural network, named PMP-Net++, to mimic behavior of an earth mover. It moves each point of incomplete input to obtain a complete point cloud, where total distance of point moving paths (PMPs) should be the shortest. Therefore, PMP-Net++ predicts unique PMP for each point according to constraint of point moving distances. The network learns a strict and unique correspondence on point-level, and thus improves quality of predicted complete shape. Moreover, since moving points heavily relies on per-point features learned by network, we further introduce a transformer-enhanced representation learning network, which significantly improves completion performance of PMP-Net++. We conduct comprehensive experiments in shape completion, and further explore application on point cloud up-sampling, which demonstrate non-trivial improvement of PMP-Net++ over state-of-the-art point cloud completion/up-sampling methods
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|a Journal Article
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| 700 |
1 |
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|a Xiang, Peng
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Han, Zhizhong
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Cao, Yan-Pei
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Wan, Pengfei
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Zheng, Wen
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Liu, Yu-Shen
|e verfasserin
|4 aut
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| 773 |
0 |
8 |
|i Enthalten in
|t IEEE transactions on pattern analysis and machine intelligence
|d 1979
|g 45(2023), 1 vom: 15. Jan., Seite 852-867
|w (DE-627)NLM098212257
|x 1939-3539
|7 nnns
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| 773 |
1 |
8 |
|g volume:45
|g year:2023
|g number:1
|g day:15
|g month:01
|g pages:852-867
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| 856 |
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|u http://dx.doi.org/10.1109/TPAMI.2022.3159003
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