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TriClsNet: Surface Reconstruction via Graph-based Triangle Classification
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AI
DOI：10.1016/j.cad.2024.103729.png)
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Abstract
En 中文
In this paper, we introduce TriClsNet, a novel learning -based network that reconstructs surfaces by reframing the triangle classification problem as a graph node classification problem. An improved graph -based triangle classification module is employed to aggregate information from neighboring triangles, effectively leveraging local neighborhood information and enhancing triangle classification accuracy. Additionally, a self -supervised learning branch is incorporated to predict point cloud normals, aiding our network in better learning local point cloud features. Furthermore, a new loss function is designed to guide our network in effective multitask learning, encompassing both graph node classification and normal prediction. Comparative experimental results on ShapeNet demonstrate that our method can efficiently perform surface reconstruction, outperforming existing methods in the aspects of preserving surface details, reducing holes, and generalization.
Keywords:
Point cloud
Surface reconstruction
Graph node classification
Self-supervised learning