Cited by 4613D Shape Modeling and AnalysisAdvanced Graph Neural NetworksAdvanced Neural Network Applications

SyncSpecCNN: Synchronized Spectral CNN for 3D Shape Segmentation

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Yi, Li, Su, Hao, Guo, Xingwen, Guibas, Leonidas·2017·2017 IEEE Conference on Computer Vision and Pattern Recognition (CVPR)

Abstract

In this paper, we study the problem of semantic annotation on 3D models that are represented as shape graphs. A functional view is taken to represent localized information on graphs, so that annotations such as part segment or keypoint are nothing but 0-1 indicator vertex functions. Compared with images that are 2D grids, shape graphs are irregular and non-isomorphic data structures. To enable the prediction of vertex functions on them by convolutional neural networks, we resort to spectral CNN method that enables weight sharing by parametrizing kernels in the spectral domain spanned by graph Laplacian eigenbases. Under this setting, our network, named SyncSpecCNN, strives to overcome two key challenges: how to share coefficients and conduct multi-scale analysis in different parts of the graph for a single shape, and how to share information across related but different shapes that may be represented by very different graphs. Towards these goals, we introduce a spectral parametrization of dilated convolutional kernels and a spectral transformer network. Experimentally we tested SyncSpecCNN on various tasks, including 3D shape part segmentation and keypoint prediction. State-of-the-art performance has been achieved on all benchmark datasets.

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Crossref · 10.1109/cvpr.2017.697

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Authors
Yi, L., Su, H., Guo, X., & Guibas, L.
Affiliations
  • Stanford University (US)
  • University of Hong Kong (HK)
Venue
2017 IEEE Conference on Computer Vision and Pattern Recognition (CVPR)
Publisher
IEEE
Published
2017-07
Pages
6584-6592
ISSN
1063-6919 (ISSN-L)
OpenAlex
W2963333168
Cited by
461
References
34
Citations by year
2026: 7 · 2025: 13 · 2024: 24 · 2023: 46 · 2022: 48 · 2021: 71 · 2020: 89 · 2019: 94 · 2018: 57 · 2017: 12
FWCI
105.57
Type
conference paper
Language
en
Open access
Locations
  • IEEE Computer Society Conference on Computer Vision and Pattern Recognition/Proceedings - IEEE Computer Society Conference on Computer Vision and Pattern Recognition/Proceedings (publishedVersion)
  • arXiv (Cornell University) (submittedVersion)
  • arXiv (Cornell University)
Funders
  • National Science Foundation
  • Nvidia
  • Multidisciplinary University Research Initiative
Topics
  • Physical Sciences › Engineering › Computational Mechanics › 3D Shape Modeling and Analysis
  • Physical Sciences › Computer Science › Artificial Intelligence › Advanced Graph Neural Networks
  • Physical Sciences › Computer Science › Computer Vision and Pattern Recognition › Advanced Neural Network Applications
Keywords
3D shape segmentation, spectral graph convolution, graph neural networks, shape graphs, keypoint prediction

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