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- W4307788186 abstract "We propose GeoGCN, a novel geometric dual-domain graph convolution network for point cloud denoising (PCD). Beyond the traditional wisdom of PCD, to fully exploit the geometric information of point clouds, we define two kinds of surface normals, one is called Real Normal (RN), and the other is Virtual Normal (VN). RN preserves the local details of noisy point clouds while VN avoids the global shape shrinkage during denoising. GeoGCN is a new PCD paradigm that, 1) first regresses point positions by spatialbased GCN with the help of VNs, 2) then estimates initial RNs by performing Principal Component Analysis on the regressed points, and 3) finally regresses fine RNs by normalbased GCN. Unlike existing PCD methods, GeoGCN not only exploits two kinds of geometry expertise (i.e., RN and VN) but also benefits from training data. Experiments validate that GeoGCN outperforms SOTAs in terms of both noise-robustness and local-and-global feature preservation." @default.
- W4307788186 created "2022-11-05" @default.
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- W4307788186 date "2022-10-28" @default.
- W4307788186 modified "2023-10-14" @default.
- W4307788186 title "GeoGCN: Geometric Dual-domain Graph Convolution Network for Point Cloud Denoising" @default.
- W4307788186 doi "https://doi.org/10.48550/arxiv.2210.15913" @default.
- W4307788186 hasPublicationYear "2022" @default.
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