G. Rosman, A. Dubrovina and R. Kimmel Patch-Collaborative Spectral Point-Cloud Denoising Computer Graphics Forum 32
We present a new framework for point cloud denoising by patch-collaborative spectral analysis. A collaborative generalization of each surface patch is defined, combining similar patches from the denoised surface. The Laplace-Beltrami operator of the collaborative patch is then used to selectively smooth the surface in a robust manner that can gracefully handle high levels of noise, yet preserves sharp surface features.
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