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• W3018015404 abstract "Point cloud filtering, the main bottleneck of which is removing noise (outliers) while preserving geometric features, is a fundamental problem in 3D field. The two-step schemes involving normal estimation and position update have been shown to produce promising results. Nevertheless, the current normal estimation methods including optimization ones and deep learning ones, often either have limited automation or cannot preserve sharp features. In this paper, we propose a novel feature-preserving normal estimation method for point cloud filtering with preserving geometric features. It is a learning method and thus achieves automatic prediction for normals. For training phase, we first generate patch based samples which are then fed to a classification network to classify feature and non-feature points. We finally train the samples of feature and non-feature points separately, to achieve decent results. Regarding testing, given a noisy point cloud, its normals can be automatically estimated. For further point cloud filtering, we iterate the above normal estimation and a current position update algorithm for a few times. Various experiments demonstrate that our method outperforms state-of-the-art normal estimation methods and point cloud filtering techniques, in terms of both quality and quantity." @default.
• W3018015404 created "2020-05-01" @default.
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• W3018015404 date "2020-04-24" @default.
• W3018015404 modified "2023-09-26" @default.
• W3018015404 title "Deep Feature-preserving Normal Estimation for Point Cloud Filtering" @default.
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• W3018015404 doi "https://doi.org/10.48550/arxiv.2004.11563" @default.
• W3018015404 hasPublicationYear "2020" @default.
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