“SBL mesh filter: fast separable approximation of bilateral mesh filtering” by Vialaneix and Boubekeur

  • ©Guillaume Vialaneix and Tamy Boubekeur

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Title:

    SBL mesh filter: fast separable approximation of bilateral mesh filtering

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Abstract:


    Bilateral mesh filtering (BL) is a simple and powerful feature-preserving filtering operator which allows to smooth or remove noise from surface meshes while preserving important features in a non-iterative way. However, to be effective, such a filter may require quite a large support size, inducing slow processing when applied on high resolution meshes. In this paper, we propose a separable approximation of BL (SBL) based on a local decomposition of the bi-dimensional filter into a product of two one-dimensional ones. The main problem here is to find meaningful directions at every point to orient the two one-dimensional filters. Our solution exploits the minimum and maximum curvature directions at each point and demonstrates a significant speed-up on meshes ranging from thousands to millions of elements, enabling feature-preserving filtering with large support size in a variety of practical scenarii (Fig. 1).

References:


    1. Jones, T. R., and Durand, F. 2003. Non-iterative, feature-preserving mesh smoothing. ACM Transactions on Graphics 22, 943–949.
    2. Pham, T., and Van Vliet, L. 2005. Separable bilateral filtering for fast video preprocessing. In IEEE ICME 2005.


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