Shape smoothing with feature preserving weighted filters
Authors: 
Leon Kos, Jože DuhovnikAuthors Info & Claims
Leon Kos, Jože DuhovnikAuthors Info & ClaimsPages 169 - 174
Abstract
Several techniques for arbitrary shape recovery from scanned data attempt to recognize and further regularize shape. For arbitrary shape, one can recognize several shape features which should be guided with global shape parameters. Smoothed curves and surfaces created with subdivision can visually improve recovery when overall smoothness is expected. Local features such as sharp edges are not preserved during smoothing. In this paper we show procedural approach to preserve such features while globally smoothing shape. Weighted filters are applied according to local shape variations. For flat and smooth areas, weighted mean face is dominant. Sharp features are detected with normal difference variation and dominated by nearest face normal. After suggested face normals are calculaced, vertices are moved by simplified version of nonlinear diffusion. Performance of proposed method is compared with other methods for mesh smoothing and edge creasing on "CAD" and "media" models.
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- Shape smoothing with feature preserving weighted filters
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Published: 26 April 2007
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