View-GCN: View-Based Graph Convolutional Network for 3D Shape Analysis

By Xin Wei, Ruixuan Yu. Computer Vision and Pattern Recognition, 2020

324 citations recorded by the source corpus.

View-based approach that recognizes 3D shape through its projected 2D images has achieved state-of-the-art results for 3D shape recognition. The major challenge for view-based approach is how to aggregate multi-view features to be a global shape descriptor. In this work, we propose a novel view-based Graph Convolutional Neural Network, dubbed as view-GCN, to recognize 3D shape based on graph representation of multiple views in flexible view configurations. We first construct view-graph with multiple views as graph nodes, then design a graph convolutional neural network over view-graph to hierarchically learn discriminative shape descriptor considering relations of multiple views. The view-GCN is a hierarchical network based on local and non-local graph convolution for feature transform, and selective view-sampling for graph coarsening. Extensive experiments on benchmark datasets show that view-GCN achieves state-of-the-art results for 3D shape classification and retrieval.

Subfields: Computational Mechanics, Computer Vision and Pattern Recognition

View Paper: https://www.semanticscholar.org/paper/e88a794a5c2313fb6ab8d8a1372624106cd83bb4

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In Computational Mechanics

  1. Ali K. Thabet
  2. Bing Li
  3. Silvio Giancola
  4. Abdullah Hamdi
  5. Bernard Ghanem
  6. Zahra Kadkhodaie
  7. Eero P. Simoncelli

In Computer Vision and Pattern Recognition

  1. Ali K. Thabet
  2. Bernard Ghanem
  3. Silvio Giancola
  4. Bing Li
  5. Abdullah Hamdi
  6. Luc Van Gool
  7. Martin Danelljan
  8. Ming-Hsuan Yang

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